diff --git a/Utilities/StrFmt.cpp b/Utilities/StrFmt.cpp
new file mode 100644
index 0000000000..51ed10c3e6
--- /dev/null
+++ b/Utilities/StrFmt.cpp
@@ -0,0 +1,63 @@
+#include "stdafx.h"
+#include "StrFmt.h"
+
+//wrapper to deal with advance sprintf formating options with automatic length finding
+//can't take strings by reference because of "va_start", so overload it with char *
+std::string fmt::FormatV(const char *fmt, va_list args)
+{
+	int length = 256;
+	std::string str;
+
+	for (;;)
+	{
+		std::vector<char> buffptr(length);
+		size_t printlen = vsnprintf(buffptr.data(), length, fmt, args);
+		if (printlen >= 0 && printlen < length)
+		{
+			str = std::string(buffptr.data(), printlen);
+			break;
+		}
+		length *= 2;
+	}
+	return str;
+}
+
+std::string fmt::FormatV(std::string fmt, va_list args)
+{
+	std::string str = FormatV(fmt.c_str(), args);
+	return str;
+}
+
+//convert a wxString to a std::string encoded in utf8
+//CAUTION, only use this to interface with wxWidgets classes
+std::string fmt::ToUTF8(const wxString& right)
+{
+	auto ret = std::string(((const char *) right.utf8_str()));
+	return ret;
+}
+
+//convert a std::string encoded in utf8 to a wxString
+//CAUTION, only use this to interface with wxWidgets classes
+wxString fmt::FromUTF8(const std::string& right)
+{
+	auto ret = wxString::FromUTF8(right.c_str());
+	return ret;
+}
+
+//TODO: remove this after every snippet that uses it is gone
+//WARNING: not fully compatible with CmpNoCase from wxString
+int fmt::CmpNoCase(const std::string& a, const std::string& b)
+{
+	if (a.length() != b.length())
+	{
+		return -1;
+	}
+	else
+	{
+		return std::equal(a.begin(),
+			a.end(),
+			b.begin(),
+			[](const char& a, const char& b){return tolower(a) == tolower(b); })
+			? 0 : -1;
+	}
+}
\ No newline at end of file
diff --git a/Utilities/StrFmt.h b/Utilities/StrFmt.h
new file mode 100644
index 0000000000..2338ea7d07
--- /dev/null
+++ b/Utilities/StrFmt.h
@@ -0,0 +1,117 @@
+#pragma once
+#include <string>
+#include <ostream>
+#include <sstream>
+#include <cstdio>
+
+#if defined(_MSC_VER)
+#define snprintf _snprintf
+#endif
+
+namespace fmt{
+	using std::string;
+	using std::ostream;
+	using std::ostringstream;
+
+	struct empty_t{};
+
+	//static const string placeholder = "???";
+
+	// write `fmt` from `pos` to the first occurence of `fmt::placeholder` to
+	// the stream `os`. Then write `arg` to to the stream. If there's no
+	// `fmt::placeholder` after `pos` everything in `fmt` after pos is written
+	// to `os`. Then `arg` is written to `os` after appending a space character
+	template<typename T>
+	empty_t write(const string &fmt, ostream &os, string::size_type &pos, T &&arg)
+	{
+		string::size_type ins = fmt.find(/*placeholder*/"???", pos);
+
+		if (ins == string::npos)
+		{
+			os.write(fmt.data() + pos, fmt.size() - pos);
+			os << ' ' << arg;
+
+			pos = fmt.size();
+		}
+		else
+		{
+			os.write(fmt.data() + pos, ins - pos);
+			os << arg;
+
+			pos = ins + placeholder.size();
+		}
+		return{};
+	}
+
+	// typesafe version of a sprintf-like function. Returns the printed to
+	// string. To mark positions where the arguments are supposed to be
+	// inserted use `fmt::placeholder`. If there's not enough placeholders
+	// the rest of the arguments are appended at the end, seperated by spaces
+	template<typename  ... Args>
+	string SFormat(const string &fmt, Args&& ... parameters)
+	{
+		ostringstream os;
+		string::size_type pos = 0;
+		std::initializer_list<empty_t> { write(fmt, os, pos, parameters)... };
+
+		if (!fmt.empty())
+		{
+			os.write(fmt.data() + pos, fmt.size() - pos);
+		}
+
+		string result = os.str();
+		return result;
+	}
+
+	//small wrapper used to deal with bitfields
+	template<typename T>
+	T by_value(T x) { return x; }
+
+	//wrapper to deal with advance sprintf formating options with automatic length finding
+	//can't take strings by reference because of "va_start", so overload it with char *
+	string FormatV(const char *fmt, va_list args);
+
+	string FormatV(string fmt, va_list args);
+
+	//wrapper to deal with advance sprintf formating options with automatic length finding
+	template<typename  ... Args>
+	string Format(const string &fmt, Args&& ... parameters)
+	{
+		int length = 256;
+		string str;
+
+		for (;;)
+		{
+			std::vector<char> buffptr(length);
+			size_t printlen = snprintf(buffptr.data(), length, fmt.c_str(), std::forward<Args>(parameters)...);
+			if (printlen >= 0 && printlen < length)
+			{
+				str = string(buffptr.data(), printlen);
+				break;
+			}
+			length *= 2;
+		}
+		return str;
+	}
+
+	//TODO:remove
+	//fmt alias for FormatV unused at the moment
+	template <typename... Args>
+	auto fmt(Args&&... args) -> decltype(FormatV(std::forward<Args>(parameters)...))
+	{
+		return FormatV(std::forward<Args>(args)...);
+	}
+
+	//convert a wxString to a std::string encoded in utf8
+	//CAUTION, only use this to interface with wxWidgets classes
+	std::string ToUTF8(const wxString& right);
+
+	//convert a std::string encoded in utf8 to a wxString
+	//CAUTION, only use this to interface with wxWidgets classes
+	wxString FromUTF8(const string& right);
+
+	//TODO: remove this after every snippet that uses it is gone
+	//WARNING: not fully compatible with CmpNoCase from wxString
+	int CmpNoCase(const std::string& a, const std::string& b);
+
+}
diff --git a/rpcs3/Crypto/key_vault.h b/rpcs3/Crypto/key_vault.h
index 3fbd2b5ff1..411c592fe5 100644
--- a/rpcs3/Crypto/key_vault.h
+++ b/rpcs3/Crypto/key_vault.h
@@ -22,7 +22,7 @@ struct SELF_KEY {
 	u8 priv[0x15];
 	u32 curve_type;
 
-	SELF_KEY(u64 ver, u16 rev, u32 type, wxString e, wxString r, wxString pb, wxString pr, u32 ct)
+	SELF_KEY(u64 ver, u16 rev, u32 type, const std::string& e, const std::string& r, const std::string& pb, const std::string& pr, u32 ct)
 	{
 		version = ver;
 		revision = rev;
diff --git a/rpcs3/Crypto/unself.cpp b/rpcs3/Crypto/unself.cpp
index dd04f2d754..cb678b28e8 100644
--- a/rpcs3/Crypto/unself.cpp
+++ b/rpcs3/Crypto/unself.cpp
@@ -396,7 +396,7 @@ bool SELFDecrypter::MakeElf(const std::string& elf, bool isElf32)
 	wxFile e(elf.c_str(), wxFile::write);
 	if(!e.IsOpened())
 	{
-		ConLog.Error("Could not create ELF file! (%s)", wxString(elf).wx_str());
+		ConLog.Error("Could not create ELF file! (%s)", elf.c_str());
 		return false;
 	}
 
@@ -508,18 +508,18 @@ bool SELFDecrypter::GetKeyFromRap(u8 *content_id, u8 *npdrm_key)
 	memset(rap_key, 0, 0x10);
 
 	// Try to find a matching RAP file under dev_usb000.
-	wxString ci_str(content_id);
-	wxString rap_path(wxGetCwd() + "/dev_usb000/" + ci_str + ".rap");
+	std::string ci_str((const char *)content_id);
+	std::string rap_path(fmt::ToUTF8(wxGetCwd()) + "/dev_usb000/" + ci_str + ".rap");
 
 	// Check if we have a valid RAP file.
-	if (!wxFile::Exists(rap_path))
+	if (!wxFile::Exists(fmt::FromUTF8(rap_path)))
 	{
 		ConLog.Error("This application requires a valid RAP file for decryption!");
 		return false;
 	}
 
 	// Open the RAP file and read the key.
-	wxFile rap_file(rap_path, wxFile::read);
+	wxFile rap_file(fmt::FromUTF8(rap_path), wxFile::read);
 
 	if (!rap_file.IsOpened())
 	{
@@ -527,7 +527,7 @@ bool SELFDecrypter::GetKeyFromRap(u8 *content_id, u8 *npdrm_key)
 		return false;
 	}
 
-	ConLog.Write("Loading RAP file %s", ci_str.wc_str() + wchar_t(".rap"));
+	ConLog.Write("Loading RAP file %s", (ci_str + ".rap").c_str());
 	rap_file.Read(rap_key, 0x10);
 	rap_file.Close();
 
@@ -573,11 +573,11 @@ bool IsSelfElf32(const std::string& path)
 bool CheckDebugSelf(const std::string& self, const std::string& elf)
 {
 	// Open the SELF file.
-	wxFile s(self.c_str());
+	wxFile s(fmt::FromUTF8(self));
 
 	if(!s.IsOpened())
 	{
-		ConLog.Error("Could not open SELF file! (%s)", wxString(self).wx_str());
+		ConLog.Error("Could not open SELF file! (%s)", self.c_str());
 		return false;
 	}
 
@@ -601,10 +601,10 @@ bool CheckDebugSelf(const std::string& self, const std::string& elf)
 		s.Seek(elf_offset);
 
 		// Write the real ELF file back.
-		wxFile e(elf.c_str(), wxFile::write);
+		wxFile e(fmt::FromUTF8(elf), wxFile::write);
 		if(!e.IsOpened())
 		{
-			ConLog.Error("Could not create ELF file! (%s)", wxString(elf).wx_str());
+			ConLog.Error("Could not create ELF file! (%s)", elf.c_str());
 			return false;
 		}
 
diff --git a/rpcs3/Crypto/unself.h b/rpcs3/Crypto/unself.h
index df721a588a..9d16fc2d6a 100644
--- a/rpcs3/Crypto/unself.h
+++ b/rpcs3/Crypto/unself.h
@@ -200,51 +200,51 @@ struct ControlInfo
 	  {
 		  if (size == 0x30)
 		  {
-			  wxString digest_str;
+			  std::string digest_str;
 			  for (int i = 0; i < 20; i++)
-				  digest_str += wxString::Format("%02x", file_digest_30.digest[i]);
+				  digest_str += fmt::Format("%02x", file_digest_30.digest[i]);
 
-			  ConLog.Write("Digest: %s",						digest_str.wc_str());
+			  ConLog.Write("Digest: %s",						digest_str.c_str());
 			  ConLog.Write("Unknown: 0x%llx",					file_digest_30.unknown);
 		  }
 		  else if (size == 0x40)
 		  {
-			  wxString digest_str1;
-			  wxString digest_str2;
+			  std::string digest_str1;
+			  std::string digest_str2;
 			  for (int i = 0; i < 20; i++)
 			  {
-				  digest_str1 += wxString::Format("%02x", file_digest_40.digest1[i]);
-				  digest_str2 += wxString::Format("%02x", file_digest_40.digest2[i]);
+				  digest_str1 += fmt::Format("%02x", file_digest_40.digest1[i]);
+				  digest_str2 += fmt::Format("%02x", file_digest_40.digest2[i]);
 			  }
 			  
-			  ConLog.Write("Digest1: %s",						digest_str1.wc_str());
-			  ConLog.Write("Digest2: %s",						digest_str2.wc_str());
+			  ConLog.Write("Digest1: %s",						digest_str1.c_str());
+			  ConLog.Write("Digest2: %s",						digest_str2.c_str());
 			  ConLog.Write("Unknown: 0x%llx",					file_digest_40.unknown);
 		  }
 	  }
 	  else if (type == 3)
 	  {
-		  wxString contentid_str;
-		  wxString digest_str;
-		  wxString invdigest_str;
-		  wxString xordigest_str;
+		  std::string contentid_str;
+		  std::string digest_str;
+		  std::string invdigest_str;
+		  std::string xordigest_str;
 		  for (int i = 0; i < 48; i++)
-			  contentid_str += wxString::Format("%02x", npdrm.content_id[i]);
+			  contentid_str += fmt::Format("%02x", npdrm.content_id[i]);
 		  for (int i = 0; i < 16; i++)
 		  {
-			  digest_str += wxString::Format("%02x", npdrm.digest[i]);
-			  invdigest_str += wxString::Format("%02x", npdrm.invdigest[i]);
-			  xordigest_str += wxString::Format("%02x", npdrm.xordigest[i]);
+			  digest_str += fmt::Format("%02x", npdrm.digest[i]);
+			  invdigest_str += fmt::Format("%02x", npdrm.invdigest[i]);
+			  xordigest_str += fmt::Format("%02x", npdrm.xordigest[i]);
 		  }
 
 		  ConLog.Write("Magic: 0x%08x",							npdrm.magic);
 		  ConLog.Write("Unknown1: 0x%08x",						npdrm.unknown1);
 		  ConLog.Write("License: 0x%08x",						npdrm.license);
 		  ConLog.Write("Type: 0x%08x",							npdrm.type);
-		  ConLog.Write("ContentID: %s",							contentid_str.wc_str());
-		  ConLog.Write("Digest: %s",							digest_str.wc_str());
-		  ConLog.Write("Inverse digest: %s",					invdigest_str.wc_str());
-		  ConLog.Write("XOR digest: %s",						xordigest_str.wc_str());
+		  ConLog.Write("ContentID: %s",							contentid_str.c_str());
+		  ConLog.Write("Digest: %s",							digest_str.c_str());
+		  ConLog.Write("Inverse digest: %s",					invdigest_str.c_str());
+		  ConLog.Write("XOR digest: %s",						xordigest_str.c_str());
 		  ConLog.Write("Unknown2: 0x%llx",						npdrm.unknown2);
 		  ConLog.Write("Unknown3: 0x%llx",						npdrm.unknown3);
 	  }
@@ -269,22 +269,22 @@ struct MetadataInfo
 
   void Show()
   {
-	  wxString key_str;
-	  wxString key_pad_str;
-	  wxString iv_str;
-	  wxString iv_pad_str;
+	  std::string key_str;
+	  std::string key_pad_str;
+	  std::string iv_str;
+	  std::string iv_pad_str;
 	  for (int i = 0; i < 0x10; i++)
 	  {
-		  key_str += wxString::Format("%02x", key[i]);
-		  key_pad_str += wxString::Format("%02x", key_pad[i]);
-		  iv_str += wxString::Format("%02x", iv[i]);
-		  iv_pad_str += wxString::Format("%02x", iv_pad[i]);
+		  key_str += fmt::Format("%02x", key[i]);
+		  key_pad_str += fmt::Format("%02x", key_pad[i]);
+		  iv_str += fmt::Format("%02x", iv[i]);
+		  iv_pad_str += fmt::Format("%02x", iv_pad[i]);
 	  }
 	  
-	  ConLog.Write("Key: %s", key_str.wc_str());
-	  ConLog.Write("Key pad: %s", key_pad_str.wc_str());
-	  ConLog.Write("IV: %s", iv_str.wc_str());
-	  ConLog.Write("IV pad: %s", iv_pad_str.wc_str());
+	  ConLog.Write("Key: %s", key_str.c_str());
+	  ConLog.Write("Key pad: %s", key_pad_str.c_str());
+	  ConLog.Write("IV: %s", iv_str.c_str());
+	  ConLog.Write("IV pad: %s", iv_pad_str.c_str());
   }
 };
 
diff --git a/rpcs3/Emu/ARMv7/ARMv7DisAsm.h b/rpcs3/Emu/ARMv7/ARMv7DisAsm.h
index 1998a40d46..1ccba0dc1b 100644
--- a/rpcs3/Emu/ARMv7/ARMv7DisAsm.h
+++ b/rpcs3/Emu/ARMv7/ARMv7DisAsm.h
@@ -27,15 +27,15 @@ protected:
 		return dump_pc + imm;
 	}
 
-	wxString GetRegsListString(u16 regs_list)
+	std::string GetRegsListString(u16 regs_list)
 	{
-		wxString regs_str;
+		std::string regs_str;
 
 		for(u16 mask=0x1, i=0; mask; mask <<= 1, i++)
 		{
 			if(regs_list & mask)
 			{
-				if(!regs_str.IsEmpty())
+				if(!regs_str.empty())
 				{
 					regs_str += ", ";
 				}
@@ -54,12 +54,12 @@ protected:
 
 	void PUSH(u16 regs_list)
 	{
-		Write(wxString::Format("push {%s}", GetRegsListString(regs_list).mb_str()));
+		Write(fmt::Format("push {%s}", GetRegsListString(regs_list).c_str()));
 	}
 
 	void POP(u16 regs_list)
 	{
-		Write(wxString::Format("pop {%s}", GetRegsListString(regs_list).mb_str()));
+		Write(fmt::Format("pop {%s}", GetRegsListString(regs_list).c_str()));
 	}
 
 	void NOP()
@@ -71,26 +71,26 @@ protected:
 	{
 		if((cond & 0xe) == 0xe)
 		{
-			Write(wxString::Format("b 0x%x", DisAsmBranchTarget(imm) + intstr_size));
+			Write(fmt::Format("b 0x%x", DisAsmBranchTarget(imm) + intstr_size));
 		}
 		else
 		{
-			Write(wxString::Format("b[%s] 0x%x", g_arm_cond_name[cond], DisAsmBranchTarget(imm) + intstr_size));
+			Write(fmt::Format("b[%s] 0x%x", g_arm_cond_name[cond], DisAsmBranchTarget(imm) + intstr_size));
 		}
 	}
 
 	virtual void CBZ(u8 op, u32 imm, u8 rn, u8 intstr_size)
 	{
-		Write(wxString::Format("cb%sz 0x%x,%s", (op ? "n" : ""), DisAsmBranchTarget(imm) + intstr_size, g_arm_reg_name[rn]));
+		Write(fmt::Format("cb%sz 0x%x,%s", (op ? "n" : ""), DisAsmBranchTarget(imm) + intstr_size, g_arm_reg_name[rn]));
 	}
 
 	void BL(u32 imm, u8 intstr_size)
 	{
-		Write(wxString::Format("bl 0x%x", DisAsmBranchTarget(imm) + intstr_size));
+		Write(fmt::Format("bl 0x%x", DisAsmBranchTarget(imm) + intstr_size));
 	}
 
 	void UNK(const u16 code0, const u16 code1)
 	{
-		Write(wxString::Format("Unknown/Illegal opcode! (0x%04x : 0x%04x)", code0, code1));
+		Write(fmt::Format("Unknown/Illegal opcode! (0x%04x : 0x%04x)", code0, code1));
 	}
 };
diff --git a/rpcs3/Emu/ARMv7/ARMv7Thread.cpp b/rpcs3/Emu/ARMv7/ARMv7Thread.cpp
index 126569b379..5aff8a50c6 100644
--- a/rpcs3/Emu/ARMv7/ARMv7Thread.cpp
+++ b/rpcs3/Emu/ARMv7/ARMv7Thread.cpp
@@ -37,25 +37,31 @@ void ARMv7Thread::SetArg(const uint pos, const u64 arg)
 	assert(0);
 }
 
-wxString ARMv7Thread::RegsToString()
+std::string ARMv7Thread::RegsToString()
 {
-	wxString result = "Registers:\n=========\n";
+	std::string result = "Registers:\n=========\n";
 	for(int i=0; i<15; ++i)
 	{
-		result += wxString::Format("%s\t= 0x%08x\n", wxString(g_arm_reg_name[i]).wx_str(), GPR[i]);
+		result += fmt::Format("%s\t= 0x%08x\n", g_arm_reg_name[i], GPR[i]);
 	}
 
-	result += wxString::Format("APSR\t= 0x%08x [N: %d, Z: %d, C: %d, V: %d, Q: %d]\n", APSR.APSR, APSR.N, APSR.Z, APSR.C, APSR.V, APSR.Q);
+	result += fmt::Format("APSR\t= 0x%08x [N: %d, Z: %d, C: %d, V: %d, Q: %d]\n", 
+		APSR.APSR,
+		fmt::by_value(APSR.N),
+		fmt::by_value(APSR.Z),
+		fmt::by_value(APSR.C),
+		fmt::by_value(APSR.V),
+		fmt::by_value(APSR.Q));
 	
 	return result;
 }
 
-wxString ARMv7Thread::ReadRegString(wxString reg)
+std::string ARMv7Thread::ReadRegString(const std::string& reg)
 {
-	return wxEmptyString;
+	return "";
 }
 
-bool ARMv7Thread::WriteRegString(wxString reg, wxString value)
+bool ARMv7Thread::WriteRegString(const std::string& reg, std::string value)
 {
 	return true;
 }
diff --git a/rpcs3/Emu/ARMv7/ARMv7Thread.h b/rpcs3/Emu/ARMv7/ARMv7Thread.h
index 7f5ad7dd52..f5a21c8cc8 100644
--- a/rpcs3/Emu/ARMv7/ARMv7Thread.h
+++ b/rpcs3/Emu/ARMv7/ARMv7Thread.h
@@ -84,9 +84,9 @@ public:
 	virtual void SetArg(const uint pos, const u64 arg);
 
 public:
-	virtual wxString RegsToString();
-	virtual wxString ReadRegString(wxString reg);
-	virtual bool WriteRegString(wxString reg, wxString value);
+	virtual std::string RegsToString();
+	virtual std::string ReadRegString(const std::string& reg);
+	virtual bool WriteRegString(const std::string& reg, std::string value);
 
 protected:
 	virtual void DoReset();
diff --git a/rpcs3/Emu/Audio/AL/OpenALThread.cpp b/rpcs3/Emu/Audio/AL/OpenALThread.cpp
index af49d5a01a..af988171cc 100644
--- a/rpcs3/Emu/Audio/AL/OpenALThread.cpp
+++ b/rpcs3/Emu/Audio/AL/OpenALThread.cpp
@@ -11,7 +11,7 @@ void printAlError(ALenum err, const char* situation)
 {
 	if(err != AL_NO_ERROR)
 	{
-		ConLog.Error("%s: OpenAL error 0x%04x", wxString(situation).wx_str(), err);
+		ConLog.Error("%s: OpenAL error 0x%04x", situation, err);
 		Emu.Pause();
 	}
 }
@@ -20,7 +20,7 @@ void printAlcError(ALCenum err, const char* situation)
 {
 	if(err != ALC_NO_ERROR)
 	{
-		ConLog.Error("%s: OpenALC error 0x%04x", wxString(situation).wx_str(), err);
+		ConLog.Error("%s: OpenALC error 0x%04x", situation, err);
 		Emu.Pause();
 	}
 }
diff --git a/rpcs3/Emu/CPU/CPUDisAsm.h b/rpcs3/Emu/CPU/CPUDisAsm.h
index 13d7d2722d..1a46e623c7 100644
--- a/rpcs3/Emu/CPU/CPUDisAsm.h
+++ b/rpcs3/Emu/CPU/CPUDisAsm.h
@@ -15,24 +15,24 @@ class CPUDisAsm
 protected:
 	const CPUDisAsmMode m_mode;
 
-	virtual void Write(const wxString& value)
+	virtual void Write(const std::string& value)
 	{
 		switch(m_mode)
 		{
 			case CPUDisAsm_DumpMode:
-				last_opcode = wxString::Format("\t%08llx:\t%02x %02x %02x %02x\t%s\n", dump_pc,
+				last_opcode = fmt::Format("\t%08llx:\t%02x %02x %02x %02x\t%s\n", dump_pc,
 					Memory.Read8(offset + dump_pc),
 					Memory.Read8(offset + dump_pc + 1),
 					Memory.Read8(offset + dump_pc + 2),
-					Memory.Read8(offset + dump_pc + 3), value.wx_str());
+					Memory.Read8(offset + dump_pc + 3), value.c_str());
 			break;
 
 			case CPUDisAsm_InterpreterMode:
-				last_opcode = wxString::Format("[%08llx]  %02x %02x %02x %02x: %s", dump_pc,
+				last_opcode = fmt::Format("[%08llx]  %02x %02x %02x %02x: %s", dump_pc,
 					Memory.Read8(offset + dump_pc),
 					Memory.Read8(offset + dump_pc + 1),
 					Memory.Read8(offset + dump_pc + 2),
-					Memory.Read8(offset + dump_pc + 3), value.wx_str());
+					Memory.Read8(offset + dump_pc + 3), value.c_str());
 			break;
 
 			case CPUDisAsm_CompilerElfMode:
@@ -42,7 +42,7 @@ protected:
 	}
 
 public:
-	wxString last_opcode;
+	std::string last_opcode;
 	u64 dump_pc;
 	u64 offset;
 
@@ -55,9 +55,9 @@ protected:
 
 	virtual u32 DisAsmBranchTarget(const s32 imm)=0;
 
-	wxString FixOp(wxString op)
+	std::string FixOp(std::string op)
 	{
-		op.Append(' ', max<int>(8 - op.Len(), 0));
+		op.append(max<int>(10 - (int)op.length(), 0),' ');
 		return op;
 	}
 };
diff --git a/rpcs3/Emu/CPU/CPUThread.cpp b/rpcs3/Emu/CPU/CPUThread.cpp
index fda8b8807a..a318257e37 100644
--- a/rpcs3/Emu/CPU/CPUThread.cpp
+++ b/rpcs3/Emu/CPU/CPUThread.cpp
@@ -142,7 +142,7 @@ void CPUThread::SetBranch(const u64 pc, bool record_branch)
 {
 	if(!Memory.IsGoodAddr(m_offset + pc))
 	{
-		ConLog.Error("%s branch error: bad address 0x%llx #pc: 0x%llx", GetFName().wx_str(), m_offset + pc, m_offset + PC);
+		ConLog.Error("%s branch error: bad address 0x%llx #pc: 0x%llx", GetFName().c_str(), m_offset + pc, m_offset + PC);
 		Emu.Pause();
 	}
 
@@ -296,7 +296,7 @@ void CPUThread::ExecOnce()
 
 void CPUThread::Task()
 {
-	if (Ini.HLELogging.GetValue()) ConLog.Write("%s enter", CPUThread::GetFName().wx_str());
+	if (Ini.HLELogging.GetValue()) ConLog.Write("%s enter", CPUThread::GetFName().c_str());
 
 	const Array<u64>& bp = Emu.GetBreakPoints();
 
@@ -345,20 +345,20 @@ void CPUThread::Task()
 			}
 		}
 	}
-	catch(const wxString& e)
+	catch(const std::string& e)
 	{
-		ConLog.Error("Exception: %s", e.wx_str());
+		ConLog.Error("Exception: %s", e.c_str());
 	}
 	catch(const char* e)
 	{
-		ConLog.Error("Exception: %s", wxString(e).wx_str());
+		ConLog.Error("Exception: %s", e);
 	}
 	catch(int exitcode)
 	{
 		ConLog.Success("Exit Code: %d", exitcode);
 	}
 
-	if (Ini.HLELogging.GetValue()) ConLog.Write("%s leave", CPUThread::GetFName().wx_str());
+	if (Ini.HLELogging.GetValue()) ConLog.Write("%s leave", CPUThread::GetFName().c_str());
 }
 
 s64 CPUThread::ExecAsCallback(u64 pc, bool wait, u64 a1, u64 a2, u64 a3, u64 a4) // not multithread-safe
@@ -393,7 +393,7 @@ s64 CPUThread::ExecAsCallback(u64 pc, bool wait, u64 a1, u64 a2, u64 a3, u64 a4)
 	{
 		if (Emu.IsStopped())
 		{
-			ConLog.Warning("ExecAsCallback(wait=%s) aborted", wxString(wait ? "true" : "false").wx_str());
+			ConLog.Warning("ExecAsCallback(wait=%s) aborted", wait ? "true" : "false");
 			return CELL_EABORT; // doesn't mean anything
 		}
 		Sleep(1);
diff --git a/rpcs3/Emu/CPU/CPUThread.h b/rpcs3/Emu/CPU/CPUThread.h
index ba9801f685..70a6723c81 100644
--- a/rpcs3/Emu/CPU/CPUThread.h
+++ b/rpcs3/Emu/CPU/CPUThread.h
@@ -87,17 +87,17 @@ public:
 	u64 GetPrio() const { return m_prio; }
 
 	std::string GetName() const { return NamedThreadBase::GetThreadName(); }
-	wxString GetFName() const
+	std::string GetFName() const
 	{
 		return 
-			wxString::Format("%s[%d] Thread%s", 
-				GetTypeString().wx_str(),
+			fmt::Format("%s[%d] Thread%s", 
+				GetTypeString().c_str(),
 				m_id,
-				wxString(GetName().empty() ? "" : wxString::Format(" (%s)", + wxString(GetName()).wx_str())).wx_str()
+				(GetName().empty() ? std::string("") : fmt::Format(" (%s)", GetName().c_str())).c_str()
 			);
 	}
 
-	static wxString CPUThreadTypeToString(CPUThreadType type)
+	static std::string CPUThreadTypeToString(CPUThreadType type)
 	{
 		switch(type)
 		{
@@ -110,12 +110,12 @@ public:
 		return "Unknown";
 	}
 
-	wxString GetTypeString() const { return CPUThreadTypeToString(m_type); }
+	std::string GetTypeString() const { return CPUThreadTypeToString(m_type); }
 
 	virtual std::string GetThreadName() const
 	{
-		wxString temp = (GetFName() + wxString::Format("[0x%08llx]", PC));
-		return std::string(temp.mb_str());
+		std::string temp = (GetFName() + fmt::Format("[0x%08llx]", PC));
+		return temp;
 	}
 
 public:
@@ -181,11 +181,11 @@ public:
 	void Resume();
 	void Stop();
 
-	virtual void AddArgv(const wxString& arg) {}
+	virtual void AddArgv(const std::string& arg) {}
 
-	virtual wxString RegsToString() = 0;
-	virtual wxString ReadRegString(wxString reg) = 0;
-	virtual bool WriteRegString(wxString reg, wxString value) = 0;
+	virtual std::string RegsToString() = 0;
+	virtual std::string ReadRegString(const std::string& reg) = 0;
+	virtual bool WriteRegString(const std::string& reg, std::string value) = 0;
 
 	virtual void Exec();
 	void ExecOnce();
@@ -198,13 +198,13 @@ public:
 
 	Stack<CallStackItem> m_call_stack;
 
-	wxString CallStackToString()
+	std::string CallStackToString()
 	{
-		wxString ret = "Call Stack:\n==========\n";
+		std::string ret = "Call Stack:\n==========\n";
 
 		for(uint i=0; i<m_call_stack.GetCount(); ++i)
 		{
-			ret += wxString::Format("0x%llx -> 0x%llx\n", m_call_stack[i].pc, m_call_stack[i].branch_pc);
+			ret += fmt::Format("0x%llx -> 0x%llx\n", m_call_stack[i].pc, m_call_stack[i].branch_pc);
 		}
 
 		return ret;
diff --git a/rpcs3/Emu/CPU/CPUThreadManager.cpp b/rpcs3/Emu/CPU/CPUThreadManager.cpp
index a3a60a365f..a77b2802d9 100644
--- a/rpcs3/Emu/CPU/CPUThreadManager.cpp
+++ b/rpcs3/Emu/CPU/CPUThreadManager.cpp
@@ -36,7 +36,7 @@ CPUThread& CPUThreadManager::AddThread(CPUThreadType type)
 	default: assert(0);
 	}
 	
-	new_thread->SetId(Emu.GetIdManager().GetNewID(wxString::Format("%s Thread", new_thread->GetTypeString().wx_str()).ToStdString(), new_thread));
+	new_thread->SetId(Emu.GetIdManager().GetNewID(fmt::Format("%s Thread", new_thread->GetTypeString().c_str()), new_thread));
 
 	m_threads.Add(new_thread);
 #ifndef QT_UI
diff --git a/rpcs3/Emu/Cell/PPCDisAsm.h b/rpcs3/Emu/Cell/PPCDisAsm.h
index ec85cadcac..59086e8d94 100644
--- a/rpcs3/Emu/Cell/PPCDisAsm.h
+++ b/rpcs3/Emu/Cell/PPCDisAsm.h
@@ -13,226 +13,226 @@ protected:
 
 	virtual u32 DisAsmBranchTarget(const s32 imm)=0;
 
-	void DisAsm_V4(const wxString& op, u32 v0, u32 v1, u32 v2, u32 v3)
+	void DisAsm_V4(const std::string& op, u32 v0, u32 v1, u32 v2, u32 v3)
 	{
-		Write(wxString::Format("%s v%d,v%d,v%d,v%d", FixOp(op).wx_str(), v0, v1, v2, v3));
+		Write(fmt::Format("%s v%d,v%d,v%d,v%d", FixOp(op).c_str(), v0, v1, v2, v3));
 	}
-	void DisAsm_V3_UIMM(const wxString& op, u32 v0, u32 v1, u32 v2, u32 uimm)
+	void DisAsm_V3_UIMM(const std::string& op, u32 v0, u32 v1, u32 v2, u32 uimm)
 	{
-		Write(wxString::Format("%s v%d,v%d,v%d,%u #%x", FixOp(op).wx_str(), v0, v1, v2, uimm, uimm));
+		Write(fmt::Format("%s v%d,v%d,v%d,%u #%x", FixOp(op).c_str(), v0, v1, v2, uimm, uimm));
 	}
-	void DisAsm_V3(const wxString& op, u32 v0, u32 v1, u32 v2)
+	void DisAsm_V3(const std::string& op, u32 v0, u32 v1, u32 v2)
 	{
-		Write(wxString::Format("%s v%d,v%d,v%d", FixOp(op).wx_str(), v0, v1, v2));
+		Write(fmt::Format("%s v%d,v%d,v%d", FixOp(op).c_str(), v0, v1, v2));
 	}
-	void DisAsm_V2_UIMM(const wxString& op, u32 v0, u32 v1, u32 uimm)
+	void DisAsm_V2_UIMM(const std::string& op, u32 v0, u32 v1, u32 uimm)
 	{
-		Write(wxString::Format("%s v%d,v%d,%u #%x", FixOp(op).wx_str(), v0, v1, uimm, uimm));
+		Write(fmt::Format("%s v%d,v%d,%u #%x", FixOp(op).c_str(), v0, v1, uimm, uimm));
 	}
-	void DisAsm_V2(const wxString& op, u32 v0, u32 v1)
+	void DisAsm_V2(const std::string& op, u32 v0, u32 v1)
 	{
-		Write(wxString::Format("%s v%d,v%d", FixOp(op).wx_str(), v0, v1));
+		Write(fmt::Format("%s v%d,v%d", FixOp(op).c_str(), v0, v1));
 	}
-	void DisAsm_V1_SIMM(const wxString& op, u32 v0, s32 simm)
+	void DisAsm_V1_SIMM(const std::string& op, u32 v0, s32 simm)
 	{
-		Write(wxString::Format("%s v%d,%d #%x", FixOp(op).wx_str(), v0, simm, simm));
+		Write(fmt::Format("%s v%d,%d #%x", FixOp(op).c_str(), v0, simm, simm));
 	}
-	void DisAsm_V1(const wxString& op, u32 v0)
+	void DisAsm_V1(const std::string& op, u32 v0)
 	{
-		Write(wxString::Format("%s v%d", FixOp(op).wx_str(), v0));
+		Write(fmt::Format("%s v%d", FixOp(op).c_str(), v0));
 	}
-	void DisAsm_V1_R2(const wxString& op, u32 v0, u32 r1, u32 r2)
+	void DisAsm_V1_R2(const std::string& op, u32 v0, u32 r1, u32 r2)
 	{
-		Write(wxString::Format("%s v%d,r%d,r%d", FixOp(op).wx_str(), v0, r1, r2));
+		Write(fmt::Format("%s v%d,r%d,r%d", FixOp(op).c_str(), v0, r1, r2));
 	}
-	void DisAsm_CR1_F2_RC(const wxString& op, u32 cr0, u32 f0, u32 f1, bool rc)
+	void DisAsm_CR1_F2_RC(const std::string& op, u32 cr0, u32 f0, u32 f1, bool rc)
 	{
-		Write(wxString::Format("%s%s cr%d,f%d,f%d", FixOp(op).wx_str(), wxString(rc ? "." : "").wx_str(), cr0, f0, f1));
+		Write(fmt::Format("%s%s cr%d,f%d,f%d", FixOp(op).c_str(), (rc ? "." : ""), cr0, f0, f1));
 	}
-	void DisAsm_CR1_F2(const wxString& op, u32 cr0, u32 f0, u32 f1)
+	void DisAsm_CR1_F2(const std::string& op, u32 cr0, u32 f0, u32 f1)
 	{
 		DisAsm_CR1_F2_RC(op, cr0, f0, f1, false);
 	}
-	void DisAsm_INT1_R2(const wxString& op, u32 i0, u32 r0, u32 r1)
+	void DisAsm_INT1_R2(const std::string& op, u32 i0, u32 r0, u32 r1)
 	{
-		Write(wxString::Format("%s %d,r%d,r%d", FixOp(op).wx_str(), i0, r0, r1));
+		Write(fmt::Format("%s %d,r%d,r%d", FixOp(op).c_str(), i0, r0, r1));
 	}
-	void DisAsm_INT1_R1_IMM(const wxString& op, u32 i0, u32 r0, s32 imm0)
+	void DisAsm_INT1_R1_IMM(const std::string& op, u32 i0, u32 r0, s32 imm0)
 	{
-		Write(wxString::Format("%s %d,r%d,%d #%x", FixOp(op).wx_str(), i0, r0, imm0, imm0));
+		Write(fmt::Format("%s %d,r%d,%d #%x", FixOp(op).c_str(), i0, r0, imm0, imm0));
 	}
-	void DisAsm_INT1_R1_RC(const wxString& op, u32 i0, u32 r0, bool rc)
+	void DisAsm_INT1_R1_RC(const std::string& op, u32 i0, u32 r0, bool rc)
 	{
-		Write(wxString::Format("%s%s %d,r%d", FixOp(op).wx_str(), wxString(rc ? "." : "").wx_str(), i0, r0));
+		Write(fmt::Format("%s%s %d,r%d", FixOp(op).c_str(), (rc ? "." : ""), i0, r0));
 	}
-	void DisAsm_INT1_R1(const wxString& op, u32 i0, u32 r0)
+	void DisAsm_INT1_R1(const std::string& op, u32 i0, u32 r0)
 	{
 		DisAsm_INT1_R1_RC(op, i0, r0, false);
 	}
-	void DisAsm_F4_RC(const wxString& op, u32 f0, u32 f1, u32 f2, u32 f3, bool rc)
+	void DisAsm_F4_RC(const std::string& op, u32 f0, u32 f1, u32 f2, u32 f3, bool rc)
 	{
-		Write(wxString::Format("%s%s f%d,f%d,f%d,f%d", FixOp(op).wx_str(), wxString(rc ? "." : "").wx_str(), f0, f1, f2, f3));
+		Write(fmt::Format("%s%s f%d,f%d,f%d,f%d", FixOp(op).c_str(), (rc ? "." : ""), f0, f1, f2, f3));
 	}
-	void DisAsm_F3_RC(const wxString& op, u32 f0, u32 f1, u32 f2, bool rc)
+	void DisAsm_F3_RC(const std::string& op, u32 f0, u32 f1, u32 f2, bool rc)
 	{
-		Write(wxString::Format("%s%s f%d,f%d,f%d", FixOp(op).wx_str(), wxString(rc ? "." : "").wx_str(), f0, f1, f2));
+		Write(fmt::Format("%s%s f%d,f%d,f%d", FixOp(op).c_str(), (rc ? "." : ""), f0, f1, f2));
 	}
-	void DisAsm_F3(const wxString& op, u32 f0, u32 f1, u32 f2)
+	void DisAsm_F3(const std::string& op, u32 f0, u32 f1, u32 f2)
 	{
 		DisAsm_F3_RC(op, f0, f1, f2, false);
 	}
-	void DisAsm_F2_RC(const wxString& op, u32 f0, u32 f1, bool rc)
+	void DisAsm_F2_RC(const std::string& op, u32 f0, u32 f1, bool rc)
 	{
-		Write(wxString::Format("%s%s f%d,f%d", FixOp(op).wx_str(), wxString(rc ? "." : "").wx_str(), f0, f1));
+		Write(fmt::Format("%s%s f%d,f%d", FixOp(op).c_str(), (rc ? "." : ""), f0, f1));
 	}
-	void DisAsm_F2(const wxString& op, u32 f0, u32 f1)
+	void DisAsm_F2(const std::string& op, u32 f0, u32 f1)
 	{
 		DisAsm_F2_RC(op, f0, f1, false);
 	}
-	void DisAsm_F1_R2(const wxString& op, u32 f0, u32 r0, u32 r1)
+	void DisAsm_F1_R2(const std::string& op, u32 f0, u32 r0, u32 r1)
 	{
 		if(m_mode == CPUDisAsm_CompilerElfMode)
 		{
-			Write(wxString::Format("%s f%d,r%d,r%d", FixOp(op).wx_str(), f0, r0, r1));
+			Write(fmt::Format("%s f%d,r%d,r%d", FixOp(op).c_str(), f0, r0, r1));
 			return;
 		}
 
-		Write(wxString::Format("%s f%d,r%d(r%d)", FixOp(op).wx_str(), f0, r0, r1));
+		Write(fmt::Format("%s f%d,r%d(r%d)", FixOp(op).c_str(), f0, r0, r1));
 	}
-	void DisAsm_F1_IMM_R1_RC(const wxString& op, u32 f0, s32 imm0, u32 r0, bool rc)
+	void DisAsm_F1_IMM_R1_RC(const std::string& op, u32 f0, s32 imm0, u32 r0, bool rc)
 	{
 		if(m_mode == CPUDisAsm_CompilerElfMode)
 		{
-			Write(wxString::Format("%s%s f%d,r%d,%d #%x", FixOp(op).wx_str(), wxString(rc ? "." : "").wx_str(), f0, r0, imm0, imm0));
+			Write(fmt::Format("%s%s f%d,r%d,%d #%x", FixOp(op).c_str(), (rc ? "." : ""), f0, r0, imm0, imm0));
 			return;
 		}
 
-		Write(wxString::Format("%s%s f%d,%d(r%d) #%x", FixOp(op).wx_str(), wxString(rc ? "." : "").wx_str(), f0, imm0, r0, imm0));
+		Write(fmt::Format("%s%s f%d,%d(r%d) #%x", FixOp(op).c_str(), (rc ? "." : ""), f0, imm0, r0, imm0));
 	}
-	void DisAsm_F1_IMM_R1(const wxString& op, u32 f0, s32 imm0, u32 r0)
+	void DisAsm_F1_IMM_R1(const std::string& op, u32 f0, s32 imm0, u32 r0)
 	{
 		DisAsm_F1_IMM_R1_RC(op, f0, imm0, r0, false);
 	}
-	void DisAsm_F1_RC(const wxString& op, u32 f0, bool rc)
+	void DisAsm_F1_RC(const std::string& op, u32 f0, bool rc)
 	{
-		Write(wxString::Format("%s%s f%d", FixOp(op).wx_str(), wxString(rc ? "." : "").wx_str(), f0));
+		Write(fmt::Format("%s%s f%d", FixOp(op).c_str(), (rc ? "." : ""), f0));
 	}
-	void DisAsm_R1_RC(const wxString& op, u32 r0, bool rc)
+	void DisAsm_R1_RC(const std::string& op, u32 r0, bool rc)
 	{
-		Write(wxString::Format("%s%s r%d", FixOp(op).wx_str(), wxString(rc ? "." : "").wx_str(), r0));
+		Write(fmt::Format("%s%s r%d", FixOp(op).c_str(), (rc ? "." : ""), r0));
 	}
-	void DisAsm_R1(const wxString& op, u32 r0)
+	void DisAsm_R1(const std::string& op, u32 r0)
 	{
 		DisAsm_R1_RC(op, r0, false);
 	}
-	void DisAsm_R2_OE_RC(const wxString& op, u32 r0, u32 r1, u32 oe, bool rc)
+	void DisAsm_R2_OE_RC(const std::string& op, u32 r0, u32 r1, u32 oe, bool rc)
 	{
-		Write(wxString::Format("%s%s%s r%d,r%d", FixOp(op).wx_str(), wxString(oe ? "o" : "").wx_str(), wxString(rc ? "." : "").wx_str(), r0, r1));
+		Write(fmt::Format("%s%s%s r%d,r%d", FixOp(op).c_str(), (oe ? "o" : ""), (rc ? "." : ""), r0, r1));
 	}
-	void DisAsm_R2_RC(const wxString& op, u32 r0, u32 r1, bool rc)
+	void DisAsm_R2_RC(const std::string& op, u32 r0, u32 r1, bool rc)
 	{
 		DisAsm_R2_OE_RC(op, r0, r1, false, rc);
 	}
-	void DisAsm_R2(const wxString& op, u32 r0, u32 r1)
+	void DisAsm_R2(const std::string& op, u32 r0, u32 r1)
 	{
 		DisAsm_R2_RC(op, r0, r1, false);
 	}
-	void DisAsm_R3_OE_RC(const wxString& op, u32 r0, u32 r1, u32 r2, u32 oe, bool rc)
+	void DisAsm_R3_OE_RC(const std::string& op, u32 r0, u32 r1, u32 r2, u32 oe, bool rc)
 	{
-		Write(wxString::Format("%s%s%s r%d,r%d,r%d", FixOp(op).wx_str(), wxString(oe ? "o" : "").wx_str(), wxString(rc ? "." : "").wx_str(), r0, r1, r2));
+		Write(fmt::Format("%s%s%s r%d,r%d,r%d", FixOp(op).c_str(), (oe ? "o" : ""), (rc ? "." : ""), r0, r1, r2));
 	}
-	void DisAsm_R3_INT2_RC(const wxString& op, u32 r0, u32 r1, u32 r2, s32 i0, s32 i1, bool rc)
+	void DisAsm_R3_INT2_RC(const std::string& op, u32 r0, u32 r1, u32 r2, s32 i0, s32 i1, bool rc)
 	{
-		Write(wxString::Format("%s%s r%d,r%d,r%d,%d,%d", FixOp(op).wx_str(), wxString(rc ? "." : "").wx_str(), r0, r1, r2, i0, i1));
+		Write(fmt::Format("%s%s r%d,r%d,r%d,%d,%d", FixOp(op).c_str(), (rc ? "." : ""), r0, r1, r2, i0, i1));
 	}
-	void DisAsm_R3_RC(const wxString& op, u32 r0, u32 r1, u32 r2, bool rc)
+	void DisAsm_R3_RC(const std::string& op, u32 r0, u32 r1, u32 r2, bool rc)
 	{
 		DisAsm_R3_OE_RC(op, r0, r1, r2, false, rc);
 	}
-	void DisAsm_R3(const wxString& op, u32 r0, u32 r1, u32 r2)
+	void DisAsm_R3(const std::string& op, u32 r0, u32 r1, u32 r2)
 	{
 		DisAsm_R3_RC(op, r0, r1, r2, false);
 	}
-	void DisAsm_R2_INT3_RC(const wxString& op, u32 r0, u32 r1, s32 i0, s32 i1, s32 i2, bool rc)
+	void DisAsm_R2_INT3_RC(const std::string& op, u32 r0, u32 r1, s32 i0, s32 i1, s32 i2, bool rc)
 	{
-		Write(wxString::Format("%s%s r%d,r%d,%d,%d,%d", FixOp(op).wx_str(), wxString(rc ? "." : "").wx_str(), r0, r1, i0, i1, i2));
+		Write(fmt::Format("%s%s r%d,r%d,%d,%d,%d", FixOp(op).c_str(), (rc ? "." : ""), r0, r1, i0, i1, i2));
 	}
-	void DisAsm_R2_INT3(const wxString& op, u32 r0, u32 r1, s32 i0, s32 i1, s32 i2)
+	void DisAsm_R2_INT3(const std::string& op, u32 r0, u32 r1, s32 i0, s32 i1, s32 i2)
 	{
 		DisAsm_R2_INT3_RC(op, r0, r1, i0, i1, i2, false);
 	}
-	void DisAsm_R2_INT2_RC(const wxString& op, u32 r0, u32 r1, s32 i0, s32 i1, bool rc)
+	void DisAsm_R2_INT2_RC(const std::string& op, u32 r0, u32 r1, s32 i0, s32 i1, bool rc)
 	{
-		Write(wxString::Format("%s%s r%d,r%d,%d,%d", FixOp(op).wx_str(), wxString(rc ? "." : "").wx_str(), r0, r1, i0, i1));
+		Write(fmt::Format("%s%s r%d,r%d,%d,%d", FixOp(op).c_str(), (rc ? "." : ""), r0, r1, i0, i1));
 	}
-	void DisAsm_R2_INT2(const wxString& op, u32 r0, u32 r1, s32 i0, s32 i1)
+	void DisAsm_R2_INT2(const std::string& op, u32 r0, u32 r1, s32 i0, s32 i1)
 	{
 		DisAsm_R2_INT2_RC(op, r0, r1, i0, i1, false);
 	}
-	void DisAsm_R2_INT1_RC(const wxString& op, u32 r0, u32 r1, s32 i0, bool rc)
+	void DisAsm_R2_INT1_RC(const std::string& op, u32 r0, u32 r1, s32 i0, bool rc)
 	{
-		Write(wxString::Format("%s%s r%d,r%d,%d", FixOp(op).wx_str(), wxString(rc ? "." : "").wx_str(), r0, r1, i0));
+		Write(fmt::Format("%s%s r%d,r%d,%d", FixOp(op).c_str(), (rc ? "." : ""), r0, r1, i0));
 	}
-	void DisAsm_R2_INT1(const wxString& op, u32 r0, u32 r1, s32 i0)
+	void DisAsm_R2_INT1(const std::string& op, u32 r0, u32 r1, s32 i0)
 	{
 		DisAsm_R2_INT1_RC(op, r0, r1, i0, false);
 	}
-	void DisAsm_R2_IMM(const wxString& op, u32 r0, u32 r1, s32 imm0)
+	void DisAsm_R2_IMM(const std::string& op, u32 r0, u32 r1, s32 imm0)
 	{
 		if(m_mode == CPUDisAsm_CompilerElfMode)
 		{
-			Write(wxString::Format("%s r%d,r%d,%d  #%x", FixOp(op).wx_str(), r0, r1, imm0, imm0));
+			Write(fmt::Format("%s r%d,r%d,%d  #%x", FixOp(op).c_str(), r0, r1, imm0, imm0));
 			return;
 		}
 
-		Write(wxString::Format("%s r%d,%d(r%d)  #%x", FixOp(op).wx_str(), r0, imm0, r1, imm0));
+		Write(fmt::Format("%s r%d,%d(r%d)  #%x", FixOp(op).c_str(), r0, imm0, r1, imm0));
 	}
-	void DisAsm_R1_IMM(const wxString& op, u32 r0, s32 imm0)
+	void DisAsm_R1_IMM(const std::string& op, u32 r0, s32 imm0)
 	{
-		Write(wxString::Format("%s r%d,%d  #%x", FixOp(op).wx_str(), r0, imm0, imm0));
+		Write(fmt::Format("%s r%d,%d  #%x", FixOp(op).c_str(), r0, imm0, imm0));
 	}
-	void DisAsm_IMM_R1(const wxString& op, s32 imm0, u32 r0)
+	void DisAsm_IMM_R1(const std::string& op, s32 imm0, u32 r0)
 	{
-		Write(wxString::Format("%s %d,r%d  #%x", FixOp(op).wx_str(), imm0, r0, imm0));
+		Write(fmt::Format("%s %d,r%d  #%x", FixOp(op).c_str(), imm0, r0, imm0));
 	}
-	void DisAsm_CR1_R1_IMM(const wxString& op, u32 cr0, u32 r0, s32 imm0)
+	void DisAsm_CR1_R1_IMM(const std::string& op, u32 cr0, u32 r0, s32 imm0)
 	{
-		Write(wxString::Format("%s cr%d,r%d,%d  #%x", FixOp(op).wx_str(), cr0, r0, imm0, imm0));
+		Write(fmt::Format("%s cr%d,r%d,%d  #%x", FixOp(op).c_str(), cr0, r0, imm0, imm0));
 	}
-	void DisAsm_CR1_R2_RC(const wxString& op, u32 cr0, u32 r0, u32 r1, bool rc)
+	void DisAsm_CR1_R2_RC(const std::string& op, u32 cr0, u32 r0, u32 r1, bool rc)
 	{
-		Write(wxString::Format("%s%s cr%d,r%d,r%d", FixOp(op).wx_str(), wxString(rc ? "." : "").wx_str(), cr0, r0, r1));
+		Write(fmt::Format("%s%s cr%d,r%d,r%d", FixOp(op).c_str(), (rc ? "." : ""), cr0, r0, r1));
 	}
-	void DisAsm_CR1_R2(const wxString& op, u32 cr0, u32 r0, u32 r1)
+	void DisAsm_CR1_R2(const std::string& op, u32 cr0, u32 r0, u32 r1)
 	{
 		DisAsm_CR1_R2_RC(op, cr0, r0, r1, false);
 	}
-	void DisAsm_CR2(const wxString& op, u32 cr0, u32 cr1)
+	void DisAsm_CR2(const std::string& op, u32 cr0, u32 cr1)
 	{
-		Write(wxString::Format("%s cr%d,cr%d", FixOp(op).wx_str(), cr0, cr1));
+		Write(fmt::Format("%s cr%d,cr%d", FixOp(op).c_str(), cr0, cr1));
 	}
-	void DisAsm_INT3(const wxString& op, const int i0, const int i1, const int i2)
+	void DisAsm_INT3(const std::string& op, const int i0, const int i1, const int i2)
 	{
-		Write(wxString::Format("%s %d,%d,%d", FixOp(op).wx_str(), i0, i1, i2));
+		Write(fmt::Format("%s %d,%d,%d", FixOp(op).c_str(), i0, i1, i2));
 	}
-	void DisAsm_INT1(const wxString& op, const int i0)
+	void DisAsm_INT1(const std::string& op, const int i0)
 	{
-		Write(wxString::Format("%s %d", FixOp(op).wx_str(), i0));
+		Write(fmt::Format("%s %d", FixOp(op).c_str(), i0));
 	}
-	void DisAsm_BRANCH(const wxString& op, const int pc)
+	void DisAsm_BRANCH(const std::string& op, const int pc)
 	{
-		Write(wxString::Format("%s 0x%x", FixOp(op).wx_str(), DisAsmBranchTarget(pc)));
+		Write(fmt::Format("%s 0x%x", FixOp(op).c_str(), DisAsmBranchTarget(pc)));
 	}
-	void DisAsm_BRANCH_A(const wxString& op, const int pc)
+	void DisAsm_BRANCH_A(const std::string& op, const int pc)
 	{
-		Write(wxString::Format("%s 0x%x", FixOp(op).wx_str(), pc));
+		Write(fmt::Format("%s 0x%x", FixOp(op).c_str(), pc));
 	}
-	void DisAsm_B2_BRANCH(const wxString& op, u32 b0, u32 b1, const int pc)
+	void DisAsm_B2_BRANCH(const std::string& op, u32 b0, u32 b1, const int pc)
 	{
-		Write(wxString::Format("%s %d,%d,0x%x ", FixOp(op).wx_str(), b0, b1, DisAsmBranchTarget(pc)));
+		Write(fmt::Format("%s %d,%d,0x%x ", FixOp(op).c_str(), b0, b1, DisAsmBranchTarget(pc)));
 	}
-	void DisAsm_CR_BRANCH(const wxString& op, u32 cr, const int pc)
+	void DisAsm_CR_BRANCH(const std::string& op, u32 cr, const int pc)
 	{
-		Write(wxString::Format("%s cr%d,0x%x ", FixOp(op).wx_str(), cr, DisAsmBranchTarget(pc)));
+		Write(fmt::Format("%s cr%d,0x%x ", FixOp(op).c_str(), cr, DisAsmBranchTarget(pc)));
 	}
 };
diff --git a/rpcs3/Emu/Cell/PPCThread.cpp b/rpcs3/Emu/Cell/PPCThread.cpp
index 640e384a7f..f1d966cde7 100644
--- a/rpcs3/Emu/Cell/PPCThread.cpp
+++ b/rpcs3/Emu/Cell/PPCThread.cpp
@@ -8,7 +8,7 @@ PPCThread* GetCurrentPPCThread()
 
 	if(!thread || (thread->GetType() != CPU_THREAD_PPU && thread->GetType() != CPU_THREAD_SPU && thread->GetType() != CPU_THREAD_RAW_SPU))
 	{
-		throw wxString("GetCurrentPPCThread: bad thread");
+		throw std::string("GetCurrentPPCThread: bad thread");
 	}
 
 	return (PPCThread*)thread;
diff --git a/rpcs3/Emu/Cell/PPCThread.h b/rpcs3/Emu/Cell/PPCThread.h
index b95f8e7c94..5b6f91dee2 100644
--- a/rpcs3/Emu/Cell/PPCThread.h
+++ b/rpcs3/Emu/Cell/PPCThread.h
@@ -17,7 +17,7 @@ public:
 
 	virtual std::string GetThreadName() const
 	{
-		return (GetFName() + wxString::Format("[0x%08llx]", PC)).ToStdString();
+		return (GetFName() + fmt::Format("[0x%08llx]", PC));
 	}
 
 protected:
diff --git a/rpcs3/Emu/Cell/PPUDisAsm.h b/rpcs3/Emu/Cell/PPUDisAsm.h
index 3ca2a3a7f4..d9ec6b4706 100644
--- a/rpcs3/Emu/Cell/PPUDisAsm.h
+++ b/rpcs3/Emu/Cell/PPUDisAsm.h
@@ -22,227 +22,227 @@ private:
 	}
 
 private:
-	void DisAsm_V4(const wxString& op, u32 v0, u32 v1, u32 v2, u32 v3)
+	void DisAsm_V4(const std::string& op, u32 v0, u32 v1, u32 v2, u32 v3)
 	{
-		Write(wxString::Format("%s v%d,v%d,v%d,v%d", FixOp(op).wx_str(), v0, v1, v2, v3));
+		Write(fmt::Format("%s v%d,v%d,v%d,v%d", FixOp(op).c_str(), v0, v1, v2, v3));
 	}
-	void DisAsm_V3_UIMM(const wxString& op, u32 v0, u32 v1, u32 v2, u32 uimm)
+	void DisAsm_V3_UIMM(const std::string& op, u32 v0, u32 v1, u32 v2, u32 uimm)
 	{
-		Write(wxString::Format("%s v%d,v%d,v%d,%u #%x", FixOp(op).wx_str(), v0, v1, v2, uimm, uimm));
+		Write(fmt::Format("%s v%d,v%d,v%d,%u #%x", FixOp(op).c_str(), v0, v1, v2, uimm, uimm));
 	}
-	void DisAsm_V3(const wxString& op, u32 v0, u32 v1, u32 v2)
+	void DisAsm_V3(const std::string& op, u32 v0, u32 v1, u32 v2)
 	{
-		Write(wxString::Format("%s v%d,v%d,v%d", FixOp(op).wx_str(), v0, v1, v2));
+		Write(fmt::Format("%s v%d,v%d,v%d", FixOp(op).c_str(), v0, v1, v2));
 	}
-	void DisAsm_V2_UIMM(const wxString& op, u32 v0, u32 v1, u32 uimm)
+	void DisAsm_V2_UIMM(const std::string& op, u32 v0, u32 v1, u32 uimm)
 	{
-		Write(wxString::Format("%s v%d,v%d,%u #%x", FixOp(op).wx_str(), v0, v1, uimm, uimm));
+		Write(fmt::Format("%s v%d,v%d,%u #%x", FixOp(op).c_str(), v0, v1, uimm, uimm));
 	}
-	void DisAsm_V2(const wxString& op, u32 v0, u32 v1)
+	void DisAsm_V2(const std::string& op, u32 v0, u32 v1)
 	{
-		Write(wxString::Format("%s v%d,v%d", FixOp(op).wx_str(), v0, v1));
+		Write(fmt::Format("%s v%d,v%d", FixOp(op).c_str(), v0, v1));
 	}
-	void DisAsm_V1_SIMM(const wxString& op, u32 v0, s32 simm)
+	void DisAsm_V1_SIMM(const std::string& op, u32 v0, s32 simm)
 	{
-		Write(wxString::Format("%s v%d,%d #%x", FixOp(op).wx_str(), v0, simm, simm));
+		Write(fmt::Format("%s v%d,%d #%x", FixOp(op).c_str(), v0, simm, simm));
 	}
-	void DisAsm_V1(const wxString& op, u32 v0)
+	void DisAsm_V1(const std::string& op, u32 v0)
 	{
-		Write(wxString::Format("%s v%d", FixOp(op).wx_str(), v0));
+		Write(fmt::Format("%s v%d", FixOp(op).c_str(), v0));
 	}
-	void DisAsm_V1_R2(const wxString& op, u32 v0, u32 r1, u32 r2)
+	void DisAsm_V1_R2(const std::string& op, u32 v0, u32 r1, u32 r2)
 	{
-		Write(wxString::Format("%s v%d,r%d,r%d", FixOp(op).wx_str(), v0, r1, r2));
+		Write(fmt::Format("%s v%d,r%d,r%d", FixOp(op).c_str(), v0, r1, r2));
 	}
-	void DisAsm_CR1_F2_RC(const wxString& op, u32 cr0, u32 f0, u32 f1, bool rc)
+	void DisAsm_CR1_F2_RC(const std::string& op, u32 cr0, u32 f0, u32 f1, bool rc)
 	{
-		Write(wxString::Format("%s%s cr%d,f%d,f%d", FixOp(op).wx_str(), wxString(rc ? "." : "").wx_str(), cr0, f0, f1));
+		Write(fmt::Format("%s%s cr%d,f%d,f%d", FixOp(op).c_str(), (rc ? "." : ""), cr0, f0, f1));
 	}
-	void DisAsm_CR1_F2(const wxString& op, u32 cr0, u32 f0, u32 f1)
+	void DisAsm_CR1_F2(const std::string& op, u32 cr0, u32 f0, u32 f1)
 	{
 		DisAsm_CR1_F2_RC(op, cr0, f0, f1, false);
 	}
-	void DisAsm_INT1_R2(const wxString& op, u32 i0, u32 r0, u32 r1)
+	void DisAsm_INT1_R2(const std::string& op, u32 i0, u32 r0, u32 r1)
 	{
-		Write(wxString::Format("%s %d,r%d,r%d", FixOp(op).wx_str(), i0, r0, r1));
+		Write(fmt::Format("%s %d,r%d,r%d", FixOp(op).c_str(), i0, r0, r1));
 	}
-	void DisAsm_INT1_R1_IMM(const wxString& op, u32 i0, u32 r0, s32 imm0)
+	void DisAsm_INT1_R1_IMM(const std::string& op, u32 i0, u32 r0, s32 imm0)
 	{
-		Write(wxString::Format("%s %d,r%d,%d #%x", FixOp(op).wx_str(), i0, r0, imm0, imm0));
+		Write(fmt::Format("%s %d,r%d,%d #%x", FixOp(op).c_str(), i0, r0, imm0, imm0));
 	}
-	void DisAsm_INT1_R1_RC(const wxString& op, u32 i0, u32 r0, bool rc)
+	void DisAsm_INT1_R1_RC(const std::string& op, u32 i0, u32 r0, bool rc)
 	{
-		Write(wxString::Format("%s%s %d,r%d", FixOp(op).wx_str(), wxString(rc ? "." : "").wx_str(), i0, r0));
+		Write(fmt::Format("%s%s %d,r%d", FixOp(op).c_str(), (rc ? "." : ""), i0, r0));
 	}
-	void DisAsm_INT1_R1(const wxString& op, u32 i0, u32 r0)
+	void DisAsm_INT1_R1(const std::string& op, u32 i0, u32 r0)
 	{
 		DisAsm_INT1_R1_RC(op, i0, r0, false);
 	}
-	void DisAsm_F4_RC(const wxString& op, u32 f0, u32 f1, u32 f2, u32 f3, bool rc)
+	void DisAsm_F4_RC(const std::string& op, u32 f0, u32 f1, u32 f2, u32 f3, bool rc)
 	{
-		Write(wxString::Format("%s%s f%d,f%d,f%d,f%d", FixOp(op).wx_str(), wxString(rc ? "." : "").wx_str(), f0, f1, f2, f3));
+		Write(fmt::Format("%s%s f%d,f%d,f%d,f%d", FixOp(op).c_str(), (rc ? "." : ""), f0, f1, f2, f3));
 	}
-	void DisAsm_F3_RC(const wxString& op, u32 f0, u32 f1, u32 f2, bool rc)
+	void DisAsm_F3_RC(const std::string& op, u32 f0, u32 f1, u32 f2, bool rc)
 	{
-		Write(wxString::Format("%s%s f%d,f%d,f%d", FixOp(op).wx_str(), wxString(rc ? "." : "").wx_str(), f0, f1, f2));
+		Write(fmt::Format("%s%s f%d,f%d,f%d", FixOp(op).c_str(), (rc ? "." : ""), f0, f1, f2));
 	}
-	void DisAsm_F3(const wxString& op, u32 f0, u32 f1, u32 f2)
+	void DisAsm_F3(const std::string& op, u32 f0, u32 f1, u32 f2)
 	{
 		DisAsm_F3_RC(op, f0, f1, f2, false);
 	}
-	void DisAsm_F2_RC(const wxString& op, u32 f0, u32 f1, bool rc)
+	void DisAsm_F2_RC(const std::string& op, u32 f0, u32 f1, bool rc)
 	{
-		Write(wxString::Format("%s%s f%d,f%d", FixOp(op).wx_str(), wxString(rc ? "." : "").wx_str(), f0, f1));
+		Write(fmt::Format("%s%s f%d,f%d", FixOp(op).c_str(), (rc ? "." : ""), f0, f1));
 	}
-	void DisAsm_F2(const wxString& op, u32 f0, u32 f1)
+	void DisAsm_F2(const std::string& op, u32 f0, u32 f1)
 	{
 		DisAsm_F2_RC(op, f0, f1, false);
 	}
-	void DisAsm_F1_R2(const wxString& op, u32 f0, u32 r0, u32 r1)
+	void DisAsm_F1_R2(const std::string& op, u32 f0, u32 r0, u32 r1)
 	{
 		if(m_mode == CPUDisAsm_CompilerElfMode)
 		{
-			Write(wxString::Format("%s f%d,r%d,r%d", FixOp(op).wx_str(), f0, r0, r1));
+			Write(fmt::Format("%s f%d,r%d,r%d", FixOp(op).c_str(), f0, r0, r1));
 			return;
 		}
 
-		Write(wxString::Format("%s f%d,r%d(r%d)", FixOp(op).wx_str(), f0, r0, r1));
+		Write(fmt::Format("%s f%d,r%d(r%d)", FixOp(op).c_str(), f0, r0, r1));
 	}
-	void DisAsm_F1_IMM_R1_RC(const wxString& op, u32 f0, s32 imm0, u32 r0, bool rc)
+	void DisAsm_F1_IMM_R1_RC(const std::string& op, u32 f0, s32 imm0, u32 r0, bool rc)
 	{
 		if(m_mode == CPUDisAsm_CompilerElfMode)
 		{
-			Write(wxString::Format("%s%s f%d,r%d,%d #%x", FixOp(op).wx_str(), wxString(rc ? "." : "").wx_str(), f0, r0, imm0, imm0));
+			Write(fmt::Format("%s%s f%d,r%d,%d #%x", FixOp(op).c_str(), (rc ? "." : ""), f0, r0, imm0, imm0));
 			return;
 		}
 
-		Write(wxString::Format("%s%s f%d,%d(r%d) #%x", FixOp(op).wx_str(), wxString(rc ? "." : "").wx_str(), f0, imm0, r0, imm0));
+		Write(fmt::Format("%s%s f%d,%d(r%d) #%x", FixOp(op).c_str(), (rc ? "." : ""), f0, imm0, r0, imm0));
 	}
-	void DisAsm_F1_IMM_R1(const wxString& op, u32 f0, s32 imm0, u32 r0)
+	void DisAsm_F1_IMM_R1(const std::string& op, u32 f0, s32 imm0, u32 r0)
 	{
 		DisAsm_F1_IMM_R1_RC(op, f0, imm0, r0, false);
 	}
-	void DisAsm_F1_RC(const wxString& op, u32 f0, bool rc)
+	void DisAsm_F1_RC(const std::string& op, u32 f0, bool rc)
 	{
-		Write(wxString::Format("%s%s f%d", FixOp(op).wx_str(), wxString(rc ? "." : "").wx_str(), f0));
+		Write(fmt::Format("%s%s f%d", FixOp(op).c_str(), (rc ? "." : ""), f0));
 	}
-	void DisAsm_R1_RC(const wxString& op, u32 r0, bool rc)
+	void DisAsm_R1_RC(const std::string& op, u32 r0, bool rc)
 	{
-		Write(wxString::Format("%s%s r%d", FixOp(op).wx_str(), wxString(rc ? "." : "").wx_str(), r0));
+		Write(fmt::Format("%s%s r%d", FixOp(op).c_str(), (rc ? "." : ""), r0));
 	}
-	void DisAsm_R1(const wxString& op, u32 r0)
+	void DisAsm_R1(const std::string& op, u32 r0)
 	{
 		DisAsm_R1_RC(op, r0, false);
 	}
-	void DisAsm_R2_OE_RC(const wxString& op, u32 r0, u32 r1, u32 oe, bool rc)
+	void DisAsm_R2_OE_RC(const std::string& op, u32 r0, u32 r1, u32 oe, bool rc)
 	{
-		Write(wxString::Format("%s%s%s r%d,r%d", FixOp(op).wx_str(), wxString(oe ? "o" : "").wx_str(), wxString(rc ? "." : "").wx_str(), r0, r1));
+		Write(fmt::Format("%s%s%s r%d,r%d", FixOp(op).c_str(), (oe ? "o" : ""), (rc ? "." : ""), r0, r1));
 	}
-	void DisAsm_R2_RC(const wxString& op, u32 r0, u32 r1, bool rc)
+	void DisAsm_R2_RC(const std::string& op, u32 r0, u32 r1, bool rc)
 	{
 		DisAsm_R2_OE_RC(op, r0, r1, false, rc);
 	}
-	void DisAsm_R2(const wxString& op, u32 r0, u32 r1)
+	void DisAsm_R2(const std::string& op, u32 r0, u32 r1)
 	{
 		DisAsm_R2_RC(op, r0, r1, false);
 	}
-	void DisAsm_R3_OE_RC(const wxString& op, u32 r0, u32 r1, u32 r2, u32 oe, bool rc)
+	void DisAsm_R3_OE_RC(const std::string& op, u32 r0, u32 r1, u32 r2, u32 oe, bool rc)
 	{
-		Write(wxString::Format("%s%s%s r%d,r%d,r%d", FixOp(op).wx_str(), wxString(oe ? "o" : "").wx_str(), wxString(rc ? "." : "").wx_str(), r0, r1, r2));
+		Write(fmt::Format("%s%s%s r%d,r%d,r%d", FixOp(op).c_str(), (oe ? "o" : ""), (rc ? "." : ""), r0, r1, r2));
 	}
-	void DisAsm_R3_INT2_RC(const wxString& op, u32 r0, u32 r1, u32 r2, s32 i0, s32 i1, bool rc)
+	void DisAsm_R3_INT2_RC(const std::string& op, u32 r0, u32 r1, u32 r2, s32 i0, s32 i1, bool rc)
 	{
-		Write(wxString::Format("%s%s r%d,r%d,r%d,%d,%d", FixOp(op).wx_str(), wxString(rc ? "." : "").wx_str(), r0, r1, r2, i0, i1));
+		Write(fmt::Format("%s%s r%d,r%d,r%d,%d,%d", FixOp(op).c_str(), (rc ? "." : ""), r0, r1, r2, i0, i1));
 	}
-	void DisAsm_R3_RC(const wxString& op, u32 r0, u32 r1, u32 r2, bool rc)
+	void DisAsm_R3_RC(const std::string& op, u32 r0, u32 r1, u32 r2, bool rc)
 	{
 		DisAsm_R3_OE_RC(op, r0, r1, r2, false, rc);
 	}
-	void DisAsm_R3(const wxString& op, u32 r0, u32 r1, u32 r2)
+	void DisAsm_R3(const std::string& op, u32 r0, u32 r1, u32 r2)
 	{
 		DisAsm_R3_RC(op, r0, r1, r2, false);
 	}
-	void DisAsm_R2_INT3_RC(const wxString& op, u32 r0, u32 r1, s32 i0, s32 i1, s32 i2, bool rc)
+	void DisAsm_R2_INT3_RC(const std::string& op, u32 r0, u32 r1, s32 i0, s32 i1, s32 i2, bool rc)
 	{
-		Write(wxString::Format("%s%s r%d,r%d,%d,%d,%d", FixOp(op).wx_str(), wxString(rc ? "." : "").wx_str(), r0, r1, i0, i1, i2));
+		Write(fmt::Format("%s%s r%d,r%d,%d,%d,%d", FixOp(op).c_str(), (rc ? "." : ""), r0, r1, i0, i1, i2));
 	}
-	void DisAsm_R2_INT3(const wxString& op, u32 r0, u32 r1, s32 i0, s32 i1, s32 i2)
+	void DisAsm_R2_INT3(const std::string& op, u32 r0, u32 r1, s32 i0, s32 i1, s32 i2)
 	{
 		DisAsm_R2_INT3_RC(op, r0, r1, i0, i1, i2, false);
 	}
-	void DisAsm_R2_INT2_RC(const wxString& op, u32 r0, u32 r1, s32 i0, s32 i1, bool rc)
+	void DisAsm_R2_INT2_RC(const std::string& op, u32 r0, u32 r1, s32 i0, s32 i1, bool rc)
 	{
-		Write(wxString::Format("%s%s r%d,r%d,%d,%d", FixOp(op).wx_str(), wxString(rc ? "." : "").wx_str(), r0, r1, i0, i1));
+		Write(fmt::Format("%s%s r%d,r%d,%d,%d", FixOp(op).c_str(), (rc ? "." : ""), r0, r1, i0, i1));
 	}
-	void DisAsm_R2_INT2(const wxString& op, u32 r0, u32 r1, s32 i0, s32 i1)
+	void DisAsm_R2_INT2(const std::string& op, u32 r0, u32 r1, s32 i0, s32 i1)
 	{
 		DisAsm_R2_INT2_RC(op, r0, r1, i0, i1, false);
 	}
-	void DisAsm_R2_INT1_RC(const wxString& op, u32 r0, u32 r1, s32 i0, bool rc)
+	void DisAsm_R2_INT1_RC(const std::string& op, u32 r0, u32 r1, s32 i0, bool rc)
 	{
-		Write(wxString::Format("%s%s r%d,r%d,%d", FixOp(op).wx_str(), wxString(rc ? "." : "").wx_str(), r0, r1, i0));
+		Write(fmt::Format("%s%s r%d,r%d,%d", FixOp(op).c_str(), (rc ? "." : ""), r0, r1, i0));
 	}
-	void DisAsm_R2_INT1(const wxString& op, u32 r0, u32 r1, s32 i0)
+	void DisAsm_R2_INT1(const std::string& op, u32 r0, u32 r1, s32 i0)
 	{
 		DisAsm_R2_INT1_RC(op, r0, r1, i0, false);
 	}
-	void DisAsm_R2_IMM(const wxString& op, u32 r0, u32 r1, s32 imm0)
+	void DisAsm_R2_IMM(const std::string& op, u32 r0, u32 r1, s32 imm0)
 	{
 		if(m_mode == CPUDisAsm_CompilerElfMode)
 		{
-			Write(wxString::Format("%s r%d,r%d,%d  #%x", FixOp(op).wx_str(), r0, r1, imm0, imm0));
+			Write(fmt::Format("%s r%d,r%d,%d  #%x", FixOp(op).c_str(), r0, r1, imm0, imm0));
 			return;
 		}
 
-		Write(wxString::Format("%s r%d,%d(r%d)  #%x", FixOp(op).wx_str(), r0, imm0, r1, imm0));
+		Write(fmt::Format("%s r%d,%d(r%d)  #%x", FixOp(op).c_str(), r0, imm0, r1, imm0));
 	}
-	void DisAsm_R1_IMM(const wxString& op, u32 r0, s32 imm0)
+	void DisAsm_R1_IMM(const std::string& op, u32 r0, s32 imm0)
 	{
-		Write(wxString::Format("%s r%d,%d  #%x", FixOp(op).wx_str(), r0, imm0, imm0));
+		Write(fmt::Format("%s r%d,%d  #%x", FixOp(op).c_str(), r0, imm0, imm0));
 	}
-	void DisAsm_IMM_R1(const wxString& op, s32 imm0, u32 r0)
+	void DisAsm_IMM_R1(const std::string& op, s32 imm0, u32 r0)
 	{
-		Write(wxString::Format("%s %d,r%d  #%x", FixOp(op).wx_str(), imm0, r0, imm0));
+		Write(fmt::Format("%s %d,r%d  #%x", FixOp(op).c_str(), imm0, r0, imm0));
 	}
-	void DisAsm_CR1_R1_IMM(const wxString& op, u32 cr0, u32 r0, s32 imm0)
+	void DisAsm_CR1_R1_IMM(const std::string& op, u32 cr0, u32 r0, s32 imm0)
 	{
-		Write(wxString::Format("%s cr%d,r%d,%d  #%x", FixOp(op).wx_str(), cr0, r0, imm0, imm0));
+		Write(fmt::Format("%s cr%d,r%d,%d  #%x", FixOp(op).c_str(), cr0, r0, imm0, imm0));
 	}
-	void DisAsm_CR1_R2_RC(const wxString& op, u32 cr0, u32 r0, u32 r1, bool rc)
+	void DisAsm_CR1_R2_RC(const std::string& op, u32 cr0, u32 r0, u32 r1, bool rc)
 	{
-		Write(wxString::Format("%s%s cr%d,r%d,r%d", FixOp(op).wx_str(), wxString(rc ? "." : "").wx_str(), cr0, r0, r1));
+		Write(fmt::Format("%s%s cr%d,r%d,r%d", FixOp(op).c_str(), (rc ? "." : ""), cr0, r0, r1));
 	}
-	void DisAsm_CR1_R2(const wxString& op, u32 cr0, u32 r0, u32 r1)
+	void DisAsm_CR1_R2(const std::string& op, u32 cr0, u32 r0, u32 r1)
 	{
 		DisAsm_CR1_R2_RC(op, cr0, r0, r1, false);
 	}
-	void DisAsm_CR2(const wxString& op, u32 cr0, u32 cr1)
+	void DisAsm_CR2(const std::string& op, u32 cr0, u32 cr1)
 	{
-		Write(wxString::Format("%s cr%d,cr%d", FixOp(op).wx_str(), cr0, cr1));
+		Write(fmt::Format("%s cr%d,cr%d", FixOp(op).c_str(), cr0, cr1));
 	}
-	void DisAsm_INT3(const wxString& op, const int i0, const int i1, const int i2)
+	void DisAsm_INT3(const std::string& op, const int i0, const int i1, const int i2)
 	{
-		Write(wxString::Format("%s %d,%d,%d", FixOp(op).wx_str(), i0, i1, i2));
+		Write(fmt::Format("%s %d,%d,%d", FixOp(op).c_str(), i0, i1, i2));
 	}
-	void DisAsm_INT1(const wxString& op, const int i0)
+	void DisAsm_INT1(const std::string& op, const int i0)
 	{
-		Write(wxString::Format("%s %d", FixOp(op).wx_str(), i0));
+		Write(fmt::Format("%s %d", FixOp(op).c_str(), i0));
 	}
-	void DisAsm_BRANCH(const wxString& op, const int pc)
+	void DisAsm_BRANCH(const std::string& op, const int pc)
 	{
-		Write(wxString::Format("%s 0x%x", FixOp(op).wx_str(), DisAsmBranchTarget(pc)));
+		Write(fmt::Format("%s 0x%x", FixOp(op).c_str(), DisAsmBranchTarget(pc)));
 	}
-	void DisAsm_BRANCH_A(const wxString& op, const int pc)
+	void DisAsm_BRANCH_A(const std::string& op, const int pc)
 	{
-		Write(wxString::Format("%s 0x%x", FixOp(op).wx_str(), pc));
+		Write(fmt::Format("%s 0x%x", FixOp(op).c_str(), pc));
 	}
-	void DisAsm_B2_BRANCH(const wxString& op, u32 b0, u32 b1, const int pc)
+	void DisAsm_B2_BRANCH(const std::string& op, u32 b0, u32 b1, const int pc)
 	{
-		Write(wxString::Format("%s %d,%d,0x%x ", FixOp(op).wx_str(), b0, b1, DisAsmBranchTarget(pc)));
+		Write(fmt::Format("%s %d,%d,0x%x ", FixOp(op).c_str(), b0, b1, DisAsmBranchTarget(pc)));
 	}
-	void DisAsm_CR_BRANCH(const wxString& op, u32 cr, const int pc)
+	void DisAsm_CR_BRANCH(const std::string& op, u32 cr, const int pc)
 	{
-		Write(wxString::Format("%s cr%d,0x%x ", FixOp(op).wx_str(), cr, DisAsmBranchTarget(pc)));
+		Write(fmt::Format("%s cr%d,0x%x ", FixOp(op).c_str(), cr, DisAsmBranchTarget(pc)));
 	}
 	
 private:
@@ -902,11 +902,11 @@ private:
 	}
 	void CMPLI(u32 crfd, u32 l, u32 ra, u32 uimm16)
 	{
-		DisAsm_CR1_R1_IMM(wxString::Format("cmpl%si", wxString(l ? "d" : "w").wx_str()), crfd, ra, uimm16);
+		DisAsm_CR1_R1_IMM(fmt::Format("cmpl%si", (l ? "d" : "w")), crfd, ra, uimm16);
 	}
 	void CMPI(u32 crfd, u32 l, u32 ra, s32 simm16)
 	{
-		DisAsm_CR1_R1_IMM(wxString::Format("cmp%si", wxString(l ? "d" : "w").wx_str()), crfd, ra, simm16);
+		DisAsm_CR1_R1_IMM(fmt::Format("cmp%si", (l ? "d" : "w")), crfd, ra, simm16);
 	}
 	void ADDIC(u32 rd, u32 ra, s32 simm16)
 	{
@@ -942,7 +942,7 @@ private:
 	{
 		if(m_mode == CPUDisAsm_CompilerElfMode)
 		{
-			Write(wxString::Format("bc 0x%x, 0x%x, 0x%x, %d, %d", bo, bi, bd, aa, lk));
+			Write(fmt::Format("bc 0x%x, 0x%x, 0x%x, %d, %d", bo, bi, bd, aa, lk));
 			return;
 		}
 
@@ -1032,7 +1032,7 @@ private:
 			}
 		}
 		
-		Write(wxString::Format("bc [%x:%x:%x:%x:%x], cr%d[%x], 0x%x, %d, %d", bo0, bo1, bo2, bo3, bo4, bi/4, bi%4, bd, aa, lk));
+		Write(fmt::Format("bc [%x:%x:%x:%x:%x], cr%d[%x], 0x%x, %d, %d", bo0, bo1, bo2, bo3, bo4, bi/4, bi%4, bd, aa, lk));
 	}
 	void SC(s32 sc_code)
 	{
@@ -1041,14 +1041,14 @@ private:
 		case 0x1: Write("HyperCall"); break;
 		case 0x2: Write("sc"); break;
 		case 0x22: Write("HyperCall LV1"); break;
-		default: Write(wxString::Format("Unknown sc: %x", sc_code));
+		default: Write(fmt::Format("Unknown sc: %x", sc_code));
 		}
 	}
 	void B(s32 ll, u32 aa, u32 lk)
 	{
 		if(m_mode == CPUDisAsm_CompilerElfMode)
 		{
-			Write(wxString::Format("b 0x%x, %d, %d", ll, aa, lk));
+			Write(fmt::Format("b 0x%x, %d, %d", ll, aa, lk));
 			return;
 		}
 
@@ -1083,7 +1083,7 @@ private:
 		const u8 bo3 = (bo & 0x02) ? 1 : 0;
 
 		if(bo0 && !bo1 && bo2 && !bo3) {Write("blr"); return;}
-		Write(wxString::Format("bclr [%x:%x:%x:%x], cr%d[%x], %d, %d", bo0, bo1, bo2, bo3, bi/4, bi%4, bh, lk));
+		Write(fmt::Format("bclr [%x:%x:%x:%x], cr%d[%x], %d, %d", bo0, bo1, bo2, bo3, bi/4, bi%4, bh, lk));
 	}
 	void CRNOR(u32 bt, u32 ba, u32 bb)
 	{
@@ -1215,7 +1215,7 @@ private:
 	}
 	void CMP(u32 crfd, u32 l, u32 ra, u32 rb)
 	{
-		DisAsm_CR1_R2(wxString::Format("cmp%s", wxString(l ? "d" : "w").wx_str()), crfd, ra, rb);
+		DisAsm_CR1_R2(fmt::Format("cmp%s", (l ? "d" : "w")), crfd, ra, rb);
 	}
 	void TW(u32 to, u32 ra, u32 rb)
 	{
@@ -1286,7 +1286,7 @@ private:
 	}
 	void CMPL(u32 crfd, u32 l, u32 ra, u32 rb)
 	{
-		DisAsm_CR1_R2(wxString::Format("cmpl%s", wxString(l ? "d" : "w").wx_str()), crfd, ra, rb);
+		DisAsm_CR1_R2(fmt::Format("cmpl%s", (l ? "d" : "w")), crfd, ra, rb);
 	}
 	void LVSR(u32 vd, u32 ra, u32 rb)
 	{
@@ -2044,7 +2044,7 @@ private:
 
 	void UNK(const u32 code, const u32 opcode, const u32 gcode)
 	{
-		Write(wxString::Format("Unknown/Illegal opcode! (0x%08x : 0x%x : 0x%x)", code, opcode, gcode));
+		Write(fmt::Format("Unknown/Illegal opcode! (0x%08x : 0x%x : 0x%x)", code, opcode, gcode));
 	}
 };
 
diff --git a/rpcs3/Emu/Cell/PPUInterpreter.h b/rpcs3/Emu/Cell/PPUInterpreter.h
index 6904a68703..2087cefb12 100644
--- a/rpcs3/Emu/Cell/PPUInterpreter.h
+++ b/rpcs3/Emu/Cell/PPUInterpreter.h
@@ -139,7 +139,7 @@ private:
 		case 0x100: return CPU.USPRG0;
 		}
 
-		UNK(wxString::Format("GetRegBySPR error: Unknown SPR 0x%x!", n));
+		UNK(fmt::Format("GetRegBySPR error: Unknown SPR 0x%x!", n));
 		return CPU.XER.XER;
 	}
 	
@@ -153,7 +153,7 @@ private:
 			((u64)a < (u64)simm16 && (to & 0x2)) ||
 			((u64)a > (u64)simm16 && (to & 0x1)) )
 		{
-			UNK(wxString::Format("Trap! (tdi %x, r%d, %x)", to, ra, simm16));
+			UNK(fmt::Format("Trap! (tdi %x, r%d, %x)", to, ra, simm16));
 		}
 	}
 
@@ -167,7 +167,7 @@ private:
 			((u32)a < (u32)simm16 && (to & 0x2)) ||
 			((u32)a > (u32)simm16 && (to & 0x1)) )
 		{
-			UNK(wxString::Format("Trap! (twi %x, r%d, %x)", to, ra, simm16));
+			UNK(fmt::Format("Trap! (twi %x, r%d, %x)", to, ra, simm16));
 		}
 	}
 
@@ -2092,18 +2092,18 @@ private:
 	{
 		switch(sc_code)
 		{
-		case 0x1: UNK(wxString::Format("HyperCall %d", CPU.GPR[0])); break;
+		case 0x1: UNK(fmt::Format("HyperCall %d", CPU.GPR[0])); break;
 		case 0x2: SysCall(); break;
 		case 0x3:
 			StaticExecute(CPU.GPR[11]);
 			if (Ini.HLELogging.GetValue())
 			{
 				ConLog.Write("'%s' done with code[0x%llx]! #pc: 0x%llx",
-					wxString(g_static_funcs_list[CPU.GPR[11]].name).wx_str(), CPU.GPR[3], CPU.PC);
+					g_static_funcs_list[CPU.GPR[11]].name, CPU.GPR[3], CPU.PC);
 			}
 			break;
 		case 0x22: UNK("HyperCall LV1"); break;
-		default: UNK(wxString::Format("Unknown sc: %x", sc_code));
+		default: UNK(fmt::Format("Unknown sc: %x", sc_code));
 		}
 	}
 	void B(s32 ll, u32 aa, u32 lk)
@@ -2264,7 +2264,7 @@ private:
 			((u32)a < (u32)b && (to & 0x2)) ||
 			((u32)a > (u32)b && (to & 0x1)) )
 		{
-			UNK(wxString::Format("Trap! (tw %x, r%d, r%d)", to, ra, rb));
+			UNK(fmt::Format("Trap! (tw %x, r%d, r%d)", to, ra, rb));
 		}
 	}
 	void LVSL(u32 vd, u32 ra, u32 rb)
@@ -2874,7 +2874,7 @@ private:
 		{
 		case 0x10C: CPU.GPR[rd] = CPU.TB; break;
 		case 0x10D: CPU.GPR[rd] = CPU.TBH; break;
-		default: UNK(wxString::Format("mftb r%d, %d", rd, spr)); break;
+		default: UNK(fmt::Format("mftb r%d, %d", rd, spr)); break;
 		}
 	}
 	void LWAUX(u32 rd, u32 ra, u32 rb)
@@ -4010,12 +4010,12 @@ private:
 
 	void UNK(const u32 code, const u32 opcode, const u32 gcode)
 	{
-		UNK(wxString::Format("Unknown/Illegal opcode! (0x%08x : 0x%x : 0x%x)", code, opcode, gcode));
+		UNK(fmt::Format("Unknown/Illegal opcode! (0x%08x : 0x%x : 0x%x)", code, opcode, gcode));
 	}
 
-	void UNK(const wxString& err, bool pause = true)
+	void UNK(const std::string& err, bool pause = true)
 	{
-		ConLog.Error(err + wxString::Format(" #pc: 0x%llx", CPU.PC));
+		ConLog.Error(err + fmt::Format(" #pc: 0x%llx", CPU.PC));
 
 		if(!pause) return;
 
@@ -4023,11 +4023,11 @@ private:
 
 		for(uint i=0; i<32; ++i) ConLog.Write("r%d = 0x%llx", i, CPU.GPR[i]);
 		for(uint i=0; i<32; ++i) ConLog.Write("f%d = %llf", i, CPU.FPR[i]);
-		for(uint i=0; i<32; ++i) ConLog.Write("v%d = 0x%s [%s]", i, CPU.VPR[i].ToString(true).wx_str(), CPU.VPR[i].ToString().wx_str());
+		for(uint i=0; i<32; ++i) ConLog.Write("v%d = 0x%s [%s]", i, CPU.VPR[i].ToString(true).c_str(), CPU.VPR[i].ToString().c_str());
 		ConLog.Write("CR = 0x%08x", CPU.CR);
 		ConLog.Write("LR = 0x%llx", CPU.LR);
 		ConLog.Write("CTR = 0x%llx", CPU.CTR);
-		ConLog.Write("XER = 0x%llx [CA=%lld | OV=%lld | SO=%lld]", CPU.XER, CPU.XER.CA, CPU.XER.OV, CPU.XER.SO);
+		ConLog.Write("XER = 0x%llx [CA=%lld | OV=%lld | SO=%lld]", CPU.XER, fmt::by_value(CPU.XER.CA), fmt::by_value(CPU.XER.OV), fmt::by_value(CPU.XER.SO));
 		ConLog.Write("FPSCR = 0x%x "
 			"[RN=%d | NI=%d | XE=%d | ZE=%d | UE=%d | OE=%d | VE=%d | "
 			"VXCVI=%d | VXSQRT=%d | VXSOFT=%d | FPRF=%d | "
@@ -4035,11 +4035,11 @@ private:
 			"VXZDZ=%d | VXIDI=%d | VXISI=%d | VXSNAN=%d | "
 			"XX=%d | ZX=%d | UX=%d | OX=%d | VX=%d | FEX=%d | FX=%d]",
 			CPU.FPSCR,
-			CPU.FPSCR.RN,
-			CPU.FPSCR.NI, CPU.FPSCR.XE, CPU.FPSCR.ZE, CPU.FPSCR.UE, CPU.FPSCR.OE, CPU.FPSCR.VE,
-			CPU.FPSCR.VXCVI, CPU.FPSCR.VXSQRT, CPU.FPSCR.VXSOFT, CPU.FPSCR.FPRF,
-			CPU.FPSCR.FI, CPU.FPSCR.FR, CPU.FPSCR.VXVC, CPU.FPSCR.VXIMZ,
-			CPU.FPSCR.VXZDZ, CPU.FPSCR.VXIDI, CPU.FPSCR.VXISI, CPU.FPSCR.VXSNAN,
-			CPU.FPSCR.XX, CPU.FPSCR.ZX, CPU.FPSCR.UX, CPU.FPSCR.OX, CPU.FPSCR.VX, CPU.FPSCR.FEX, CPU.FPSCR.FX);
+			fmt::by_value(CPU.FPSCR.RN),
+			fmt::by_value(CPU.FPSCR.NI), fmt::by_value(CPU.FPSCR.XE), fmt::by_value(CPU.FPSCR.ZE), fmt::by_value(CPU.FPSCR.UE), fmt::by_value(CPU.FPSCR.OE), fmt::by_value(CPU.FPSCR.VE),
+			fmt::by_value(CPU.FPSCR.VXCVI), fmt::by_value(CPU.FPSCR.VXSQRT), fmt::by_value(CPU.FPSCR.VXSOFT), fmt::by_value(CPU.FPSCR.FPRF),
+			fmt::by_value(CPU.FPSCR.FI), fmt::by_value(CPU.FPSCR.FR), fmt::by_value(CPU.FPSCR.VXVC), fmt::by_value(CPU.FPSCR.VXIMZ),
+			fmt::by_value(CPU.FPSCR.VXZDZ), fmt::by_value(CPU.FPSCR.VXIDI), fmt::by_value(CPU.FPSCR.VXISI), fmt::by_value(CPU.FPSCR.VXSNAN),
+			fmt::by_value(CPU.FPSCR.XX), fmt::by_value(CPU.FPSCR.ZX), fmt::by_value(CPU.FPSCR.UX), fmt::by_value(CPU.FPSCR.OX), fmt::by_value(CPU.FPSCR.VX), fmt::by_value(CPU.FPSCR.FEX), fmt::by_value(CPU.FPSCR.FX));
 	}
 };
diff --git a/rpcs3/Emu/Cell/PPUProgramCompiler.cpp b/rpcs3/Emu/Cell/PPUProgramCompiler.cpp
index 376f8a270e..03f7f4a796 100644
--- a/rpcs3/Emu/Cell/PPUProgramCompiler.cpp
+++ b/rpcs3/Emu/Cell/PPUProgramCompiler.cpp
@@ -4,7 +4,7 @@
 using namespace PPU_instr;
 
 template<typename TO, typename T>
-InstrBase<TO>* GetInstruction(T* list, const wxString& str)
+InstrBase<TO>* GetInstruction(T* list, const std::string& str)
 {
 	for(int i=0; i<list->count; ++i)
 	{
@@ -12,7 +12,7 @@ InstrBase<TO>* GetInstruction(T* list, const wxString& str)
 
 		if(instr)
 		{
-			if(instr->GetName().Cmp(str) == 0)
+			if(instr->GetName().compare(str) == 0)
 			{
 				return instr;
 			}
@@ -23,7 +23,7 @@ InstrBase<TO>* GetInstruction(T* list, const wxString& str)
 }
 
 template<typename TO>
-InstrBase<TO>* GetInstruction(const wxString& str)
+InstrBase<TO>* GetInstruction(const std::string& str)
 {
 	if(auto res = GetInstruction<TO>(main_list, str)) return res;
 	if(auto res = GetInstruction<TO>(g04_list, str)) return res;
@@ -40,19 +40,19 @@ InstrBase<TO>* GetInstruction(const wxString& str)
 	return nullptr;
 }
 
-s64 FindOp(const wxString& text, const wxString& op, s64 from)
+s64 FindOp(const std::string& text, const std::string& op, s64 from)
 {
-	if(text.Len() < op.Len()) return -1;
+	if (text.length() < op.length()) return -1;
 
-	for(s64 i=from; i<text.Len(); ++i)
+	for (s64 i = from; i<text.length(); ++i)
 	{
 		if(i - 1 < 0 || text[(size_t)i - 1] == '\n' || CompilePPUProgram::IsSkip(text[(size_t)i - 1]))
 		{
-			if(text.Len() - i < op.Len()) return -1;
+			if (text.length() - i < op.length()) return -1;
 
-			if(text(i, op.Len()).Cmp(op) != 0) continue;
-			if(i + op.Len() >= text.Len() || text[(size_t)i + op.Len()] == '\n' ||
-				CompilePPUProgram::IsSkip(text[(size_t)i + op.Len()])) return i;
+			if (text.substr(i, op.length()).compare(op) != 0) continue;
+			if (i + op.length() >= text.length() || text[(size_t) i + op.length()] == '\n' ||
+				CompilePPUProgram::IsSkip(text[(size_t) i + op.length()])) return i;
 		}
 	}
 
@@ -63,9 +63,9 @@ ArrayF<SectionInfo> sections_list;
 u32 section_name_offs = 0;
 u32 section_offs = 0;
 
-SectionInfo::SectionInfo(const wxString& _name)
+SectionInfo::SectionInfo(const std::string& _name)
 {
-	name = _name.ToStdString();
+	name = _name;
 	memset(&shdr, 0, sizeof(Elf64_Shdr));
 
 	section_num = sections_list.Add(this);
@@ -116,8 +116,8 @@ SectionInfo::~SectionInfo()
 }
 
 CompilePPUProgram::CompilePPUProgram(
-		const wxString& asm_,
-		const wxString& file_path,
+		const std::string& asm_,
+		const std::string& file_path,
 		wxTextCtrl* asm_list,
 		wxTextCtrl* hex_list,
 		wxTextCtrl* err_list,
@@ -137,28 +137,28 @@ CompilePPUProgram::CompilePPUProgram(
 {
 }
 
-void CompilePPUProgram::WriteHex(const wxString& text)
+void CompilePPUProgram::WriteHex(const std::string& text)
 {
 	if(m_hex_list)
 	{
-		m_hex_list->WriteText(text);
+		m_hex_list->WriteText(fmt::FromUTF8(text));
 	}
 }
 
-void CompilePPUProgram::WriteError(const wxString& error)
+void CompilePPUProgram::WriteError(const std::string& error)
 {
 	if(m_err_list)
 	{
-		m_err_list->WriteText(wxString::Format("line %lld: %s\n", m_line, error.wx_str()));
+		m_err_list->WriteText(fmt::FromUTF8(fmt::Format("line %lld: %s\n", m_line, error)));
 	}
 }
 
 bool CompilePPUProgram::IsSkip(const char c) { return c == ' ' || c == '\t'; }
 bool CompilePPUProgram::IsCommit(const char c) { return c == '#'; }
-bool CompilePPUProgram::IsEnd() const { return p >= m_asm.Len(); }
-bool CompilePPUProgram::IsEndLn(const char c) const { return c == '\n' || p - 1 >= m_asm.Len(); }
+bool CompilePPUProgram::IsEnd() const { return p >= m_asm.length(); }
+bool CompilePPUProgram::IsEndLn(const char c) const { return c == '\n' || p - 1 >= m_asm.length(); }
 
-char CompilePPUProgram::NextChar() { return *(const char*)m_asm(p++, 1); }
+char CompilePPUProgram::NextChar() { return *m_asm.substr(p++, 1).c_str(); }
 void CompilePPUProgram::NextLn() { while( !IsEndLn(NextChar()) ); if(!IsEnd()) m_line++; }
 void CompilePPUProgram::EndLn()
 {
@@ -181,7 +181,7 @@ void CompilePPUProgram::PrevArg()
 	if(IsEndLn(m_asm[(size_t)p])) p++;
 }
 
-bool CompilePPUProgram::GetOp(wxString& result)
+bool CompilePPUProgram::GetOp(std::string& result)
 {
 	s64 from = -1;
 
@@ -205,7 +205,7 @@ bool CompilePPUProgram::GetOp(wxString& result)
 		if(skip || endln || commit)
 		{
 			const s64 to = (endln ? p : p - 1) - from;
-			result = m_asm(from, to);
+			result = m_asm.substr(from, to);
 
 			return true;
 		}
@@ -214,7 +214,7 @@ bool CompilePPUProgram::GetOp(wxString& result)
 	return false;
 }
 
-int CompilePPUProgram::GetArg(wxString& result, bool func)
+int CompilePPUProgram::GetArg(std::string& result, bool func)
 {
 	s64 from = -1;
 
@@ -246,7 +246,7 @@ int CompilePPUProgram::GetArg(wxString& result, bool func)
 
 			if(text && !end_text)
 			{
-				WriteError(wxString::Format("'\"' not found."));
+				WriteError("'\"' not found.");
 				m_error = true;
 			}
 
@@ -278,19 +278,19 @@ int CompilePPUProgram::GetArg(wxString& result, bool func)
 						break;
 					}
 
-					WriteError(wxString::Format("Bad symbol '%c'", cur_char));
+					WriteError(fmt::Format("Bad symbol '%c'", cur_char));
 					m_error = true;
 					break;
 				}
 			}
 
-			result = m_asm(from, to);
+			result = m_asm.substr(from, to);
 
 			if(text)
 			{
-				for(u32 pos = 0; (s32)(pos = result.find('\\', pos)) >= 0;)
+				for(u32 pos = 0; (s32)(pos = result.find('\\', pos)) != std::string::npos;)
 				{
-					if(pos + 1 < result.Len() && result[pos + 1] == '\\')
+					if(pos + 1 < result.length() && result[pos + 1] == '\\')
 					{
 						pos += 2;
 						continue;
@@ -299,9 +299,9 @@ int CompilePPUProgram::GetArg(wxString& result, bool func)
 					const char v = result[pos + 1];
 					switch(v)
 					{
-					case 'n': result = result(0, pos) + '\n' + result(pos+2, result.Len()-(pos+2)); break;
-					case 'r': result = result(0, pos) + '\r' + result(pos+2, result.Len()-(pos+2)); break;
-					case 't': result = result(0, pos) + '\t' + result(pos+2, result.Len()-(pos+2)); break;
+					case 'n': result = result.substr(0, pos) + '\n' + result.substr(pos + 2, result.length() - (pos + 2)); break;
+					case 'r': result = result.substr(0, pos) + '\r' + result.substr(pos + 2, result.length() - (pos + 2)); break;
+					case 't': result = result.substr(0, pos) + '\t' + result.substr(pos + 2, result.length() - (pos + 2)); break;
 					}
 
 					pos++;
@@ -345,7 +345,7 @@ bool CompilePPUProgram::CheckEnd(bool show_err)
 			return true;
 		}
 
-		WriteError(wxString::Format("Bad symbol '%c'", cur_char));
+		WriteError(fmt::Format("Bad symbol '%c'", cur_char));
 		NextLn();
 		return false;
 	}
@@ -355,9 +355,9 @@ bool CompilePPUProgram::CheckEnd(bool show_err)
 
 void CompilePPUProgram::DetectArgInfo(Arg& arg)
 {
-	const wxString str = arg.string;
+	const std::string str = arg.string;
 
-	if(str.Len() <= 0)
+	if(str.empty())
 	{
 		arg.type = ARG_ERR;
 		return;
@@ -369,11 +369,11 @@ void CompilePPUProgram::DetectArgInfo(Arg& arg)
 		return;
 	}
 
-	if(str.Len() > 1)
+	if(str.length() > 1)
 	{
 		for(u32 i=0; i<m_branches.GetCount(); ++i)
 		{
-			if(str.ToStdString() != m_branches[i].m_name)
+			if(str != m_branches[i].m_name)
 				continue;
 
 			arg.type = ARG_BRANCH;
@@ -386,20 +386,20 @@ void CompilePPUProgram::DetectArgInfo(Arg& arg)
 	{
 	case 'r': case 'f': case 'v':
 
-		if(str.Len() < 2)
+		if(str.length() < 2)
 		{
 			arg.type = ARG_ERR;
 			return;
 		}
 
-		if(str.Cmp("rtoc") == 0)
+		if(str.compare("rtoc") == 0)
 		{
 			arg.type = ARG_REG_R;
 			arg.value = 2;
 			return;
 		}
 
-		for(u32 i=1; i<str.Len(); ++i)
+		for(u32 i=1; i<str.length(); ++i)
 		{
 			if(str[i] < '0' || str[i] > '9')
 			{
@@ -409,7 +409,7 @@ void CompilePPUProgram::DetectArgInfo(Arg& arg)
 		}
 
 		u32 reg;
-		sscanf(str(1, str.Len() - 1), "%d", &reg);
+		sscanf(str.substr(1, str.length() - 1).c_str(), "%d", &reg);
 
 		if(reg >= 32)
 		{
@@ -429,9 +429,9 @@ void CompilePPUProgram::DetectArgInfo(Arg& arg)
 	return;
 		
 	case 'c':
-		if(str.Len() > 2 && str[1] == 'r')
+		if(str.length() > 2 && str[1] == 'r')
 		{
-			for(u32 i=2; i<str.Len(); ++i)
+			for(u32 i=2; i<str.length(); ++i)
 			{
 				if(str[i] < '0' || str[i] > '9')
 				{
@@ -441,7 +441,7 @@ void CompilePPUProgram::DetectArgInfo(Arg& arg)
 			}
 
 			u32 reg;
-			sscanf(str, "cr%d", &reg);
+			sscanf(str.c_str(), "cr%d", &reg);
 
 			if(reg < 8)
 			{
@@ -458,26 +458,26 @@ void CompilePPUProgram::DetectArgInfo(Arg& arg)
 	break;
 
 	case '"':
-		if(str.Len() < 2)
+		if(str.length() < 2)
 		{
 			arg.type = ARG_ERR;
 			return;
 		}
 
-		if(str[str.Len() - 1] != '"')
+		if(str[str.length() - 1] != '"')
 		{
 			arg.type = ARG_ERR;
 			return;
 		}
 
-		arg.string = str(1, str.Len() - 2).ToStdString();
+		arg.string = str.substr(1, str.length() - 2);
 		arg.type = ARG_TXT;
 	return;
 	}
 
-	if(str.Len() > 2 && str(0, 2).Cmp("0x") == 0)
+	if(str.length() > 2 && str.substr(0, 2).compare("0x") == 0)
 	{
-		for(u32 i=2; i<str.Len(); ++i)
+		for(u32 i=2; i<str.length(); ++i)
 		{
 			if(
 				(str[i] >= '0' && str[i] <= '9') ||
@@ -490,14 +490,14 @@ void CompilePPUProgram::DetectArgInfo(Arg& arg)
 		}
 
 		u32 val;
-		sscanf(str, "0x%x", &val);
+		sscanf(str.c_str(), "0x%x", &val);
 
 		arg.type = ARG_NUM16;
 		arg.value = val;
 		return;
 	}
 
-	for(u32 i= str[0] == '-' ? 1 : 0; i<str.Len(); ++i)
+	for(u32 i= str[0] == '-' ? 1 : 0; i<str.length(); ++i)
 	{
 		if(str[i] < '0' || str[i] > '9')
 		{
@@ -507,7 +507,7 @@ void CompilePPUProgram::DetectArgInfo(Arg& arg)
 	}
 
 	u32 val;
-	sscanf(str, "%d", &val);
+	sscanf(str.c_str(), "%d", &val);
 
 	arg.type = ARG_NUM;
 	arg.value = val;
@@ -518,7 +518,7 @@ void CompilePPUProgram::LoadArgs()
 	m_args.Clear();
 	m_cur_arg = 0;
 
-	wxString str;
+	std::string str;
 	while(int r = GetArg(str))
 	{
 		Arg* arg = new Arg(str);
@@ -530,11 +530,11 @@ void CompilePPUProgram::LoadArgs()
 	m_end_args = m_args.GetCount() > 0;
 }
 
-u32 CompilePPUProgram::GetBranchValue(const wxString& branch)
+u32 CompilePPUProgram::GetBranchValue(const std::string& branch)
 {
 	for(u32 i=0; i<m_branches.GetCount(); ++i)
 	{
-		if(branch.ToStdString() != m_branches[i].m_name)
+		if(branch != m_branches[i].m_name)
 			continue;
 		if(m_branches[i].m_pos >= 0) return m_text_addr + m_branches[i].m_pos * 4;
 
@@ -552,7 +552,7 @@ bool CompilePPUProgram::SetNextArgType(u32 types, bool show_err)
 	{
 		if(show_err)
 		{
-			WriteError(wxString::Format("%d arg not found", m_cur_arg + 1));
+			WriteError(fmt::Format("%d arg not found", m_cur_arg + 1));
 			m_error = true;
 		}
 
@@ -569,7 +569,7 @@ bool CompilePPUProgram::SetNextArgType(u32 types, bool show_err)
 
 	if(show_err)
 	{
-		WriteError(wxString::Format("Bad arg '%s'", wxString(&arg.string[0]).wx_str()));
+		WriteError(fmt::Format("Bad arg '%s'", arg.string.c_str()));
 		m_error = true;
 	}
 
@@ -598,38 +598,38 @@ bool CompilePPUProgram::SetNextArgBranch(u8 aa, bool show_err)
 	return ret;
 }
 
-bool CompilePPUProgram::IsBranchOp(const wxString& op)
+bool CompilePPUProgram::IsBranchOp(const std::string& op)
 {
-	return op.Len() > 1 && op[op.Len() - 1] == ':';
+	return op.length() > 1 && op[op.length() - 1] == ':';
 }
 
-bool CompilePPUProgram::IsFuncOp(const wxString& op)
+bool CompilePPUProgram::IsFuncOp(const std::string& op)
 {
-	return op.Len() >= 1 && op[0] == '[';
+	return op.length() >= 1 && op[0] == '[';
 }
 
-CompilePPUProgram::SP_TYPE CompilePPUProgram::GetSpType(const wxString& op)
+CompilePPUProgram::SP_TYPE CompilePPUProgram::GetSpType(const std::string& op)
 {
-	if(op.Cmp(".int") == 0) return SP_INT;
-	if(op.Cmp(".string") == 0) return SP_STRING;
-	if(op.Cmp(".strlen") == 0) return SP_STRLEN;
-	if(op.Cmp(".buf") == 0) return SP_BUF;
-	if(op.Cmp(".srl") == 0) return SP_SRL;
-	if(op.Cmp(".srr") == 0) return SP_SRR;
-	if(op.Cmp(".mul") == 0) return SP_MUL;
-	if(op.Cmp(".div") == 0) return SP_DIV;
-	if(op.Cmp(".add") == 0) return SP_ADD;
-	if(op.Cmp(".sub") == 0) return SP_SUB;
-	if(op.Cmp(".and") == 0) return SP_AND;
-	if(op.Cmp(".or") == 0) return SP_OR;
-	if(op.Cmp(".xor") == 0) return SP_XOR;
-	if(op.Cmp(".not") == 0) return SP_NOT;
-	if(op.Cmp(".nor") == 0) return SP_NOR;
+	if (op.compare(".int") == 0) return SP_INT;
+	if (op.compare(".string") == 0) return SP_STRING;
+	if (op.compare(".strlen") == 0) return SP_STRLEN;
+	if (op.compare(".buf") == 0) return SP_BUF;
+	if (op.compare(".srl") == 0) return SP_SRL;
+	if (op.compare(".srr") == 0) return SP_SRR;
+	if (op.compare(".mul") == 0) return SP_MUL;
+	if (op.compare(".div") == 0) return SP_DIV;
+	if (op.compare(".add") == 0) return SP_ADD;
+	if (op.compare(".sub") == 0) return SP_SUB;
+	if (op.compare(".and") == 0) return SP_AND;
+	if (op.compare(".or") == 0) return SP_OR;
+	if (op.compare(".xor") == 0) return SP_XOR;
+	if (op.compare(".not") == 0) return SP_NOT;
+	if (op.compare(".nor") == 0) return SP_NOR;
 
 	return SP_ERR;
 }
 
-wxString CompilePPUProgram::GetSpStyle(const SP_TYPE sp)
+std::string CompilePPUProgram::GetSpStyle(const SP_TYPE sp)
 {
 	switch(sp)
 	{
@@ -658,16 +658,16 @@ wxString CompilePPUProgram::GetSpStyle(const SP_TYPE sp)
 	return "error";
 }
 
-bool CompilePPUProgram::IsSpOp(const wxString& op)
+bool CompilePPUProgram::IsSpOp(const std::string& op)
 {
 	return GetSpType(op) != SP_ERR;
 }
 
-CompilePPUProgram::Branch& CompilePPUProgram::GetBranch(const wxString& name)
+CompilePPUProgram::Branch& CompilePPUProgram::GetBranch(const std::string& name)
 {
 	for(u32 i=0; i<m_branches.GetCount(); ++i)
 	{
-		if(name.ToStdString() != m_branches[i].m_name) continue;
+		if(name != m_branches[i].m_name) continue;
 
 		return m_branches[i];
 	}
@@ -675,7 +675,7 @@ CompilePPUProgram::Branch& CompilePPUProgram::GetBranch(const wxString& name)
 	return m_branches[0];
 }
 
-void CompilePPUProgram::SetSp(const wxString& name, u32 addr, bool create)
+void CompilePPUProgram::SetSp(const std::string& name, u32 addr, bool create)
 {
 	if(create)
 	{
@@ -687,21 +687,21 @@ void CompilePPUProgram::SetSp(const wxString& name, u32 addr, bool create)
 
 	for(u32 i=0; i<m_branches.GetCount(); ++i)
 	{
-		if(name.ToStdString() != m_branches[i].m_name)
+		if(name != m_branches[i].m_name)
 			continue;
 		m_branches[i].m_addr = addr;
 	}
 }
 
-void CompilePPUProgram::LoadSp(const wxString& op, Elf64_Shdr& s_opd)
+void CompilePPUProgram::LoadSp(const std::string& op, Elf64_Shdr& s_opd)
 {
 	SP_TYPE sp = GetSpType(op);
 
-	wxString test;
+	std::string test;
 	if(!GetArg(test) || test[0] != '[')
 	{
 		if(m_analyze) WriteHex("error\n");
-		WriteError(wxString::Format("data not found. style: %s", GetSpStyle(sp).wx_str()));
+		WriteError(fmt::Format("data not found. style: %s", GetSpStyle(sp).c_str()));
 		m_error = true;
 		NextLn();
 		return;
@@ -710,11 +710,11 @@ void CompilePPUProgram::LoadSp(const wxString& op, Elf64_Shdr& s_opd)
 	while(p > 0 && m_asm[(size_t)p] != '[') p--;
 	p++;
 
-	wxString dst;
+	std::string dst;
 	if(!GetArg(dst))
 	{
 		if(m_analyze) WriteHex("error\n");
-		WriteError(wxString::Format("dst not found. style: %s", GetSpStyle(sp).wx_str()));
+		WriteError(fmt::Format("dst not found. style: %s", GetSpStyle(sp).c_str()));
 		m_error = true;
 		NextLn();
 		return;
@@ -736,7 +736,7 @@ void CompilePPUProgram::LoadSp(const wxString& op, Elf64_Shdr& s_opd)
 
 		case ARG_ERR:
 		{
-			m_branches.Move(new Branch(wxEmptyString, -1, 0));
+			m_branches.Move(new Branch("", -1, 0)); //TODO: allocated with new, deleted with free()
 			dst_branch = &m_branches[m_branches.GetCount() - 1];
 		}
 		break;
@@ -745,7 +745,7 @@ void CompilePPUProgram::LoadSp(const wxString& op, Elf64_Shdr& s_opd)
 	if(!dst_branch)
 	{
 		if(m_analyze) WriteHex("error\n");
-		WriteError(wxString::Format("bad dst type. style: %s", GetSpStyle(sp).wx_str()));
+		WriteError(fmt::Format("bad dst type. style: %s", GetSpStyle(sp).c_str()));
 		m_error = true;
 		NextLn();
 		return;
@@ -759,11 +759,11 @@ void CompilePPUProgram::LoadSp(const wxString& op, Elf64_Shdr& s_opd)
 	case SP_BUF:
 	case SP_NOT:
 	{
-		wxString src1;
+		std::string src1;
 		if(!GetArg(src1, true))
 		{
 			if(m_analyze) WriteHex("error\n");
-			WriteError(wxString::Format("src not found. style: %s", GetSpStyle(sp).wx_str()));
+			WriteError(fmt::Format("src not found. style: %s", GetSpStyle(sp).c_str()));
 			m_error = true;
 			NextLn();
 			return;
@@ -779,7 +779,7 @@ void CompilePPUProgram::LoadSp(const wxString& op, Elf64_Shdr& s_opd)
 				: ~(ARG_IMM | ARG_BRANCH) & a_src1.type)
 		{
 			if(m_analyze) WriteHex("error\n");
-			WriteError(wxString::Format("bad src type. style: %s", GetSpStyle(sp).wx_str()));
+			WriteError(fmt::Format("bad src type. style: %s", GetSpStyle(sp).c_str()));
 			m_error = true;
 			NextLn();
 			return;
@@ -788,7 +788,7 @@ void CompilePPUProgram::LoadSp(const wxString& op, Elf64_Shdr& s_opd)
 		if(m_asm[(size_t)p - 1] != ']')
 		{
 			if(m_analyze) WriteHex("error\n");
-			WriteError(wxString::Format("']' not found. style: %s", GetSpStyle(sp).wx_str()));
+			WriteError(fmt::Format("']' not found. style: %s", GetSpStyle(sp).c_str()));
 			m_error = true;
 			NextLn();
 			return;
@@ -802,12 +802,12 @@ void CompilePPUProgram::LoadSp(const wxString& op, Elf64_Shdr& s_opd)
 
 		if(sp == SP_STRING)
 		{
-			src1 = src1(1, src1.Len()-2);
+			src1 = src1.substr(1, src1.length()-2);
 			bool founded = false;
 
 			for(u32 i=0; i<m_sp_string.GetCount(); ++i)
 			{
-				if(src1.ToStdString() != m_sp_string[i].m_data) continue;
+				if(src1 != m_sp_string[i].m_data) continue;
 				*dst_branch = Branch(dst, -1, m_sp_string[i].m_addr);
 				founded = true;
 			}
@@ -815,8 +815,8 @@ void CompilePPUProgram::LoadSp(const wxString& op, Elf64_Shdr& s_opd)
 			if(!founded)
 			{
 				const u32 addr = s_opd.sh_addr + s_opd.sh_size;
-				m_sp_string.Move(new SpData(src1, addr));
-				s_opd.sh_size += src1.Len() + 1;
+				m_sp_string.Move(new SpData(src1, addr)); //TODO: new and free mixed
+				s_opd.sh_size += src1.length() + 1;
 				*dst_branch = Branch(dst, -1, addr);
 			}
 		}
@@ -824,7 +824,7 @@ void CompilePPUProgram::LoadSp(const wxString& op, Elf64_Shdr& s_opd)
 		{
 			switch(a_src1.type)
 			{
-				case ARG_TXT: *dst_branch = Branch(dst, -1, src1.Len() - 2); break;
+				case ARG_TXT: *dst_branch = Branch(dst, -1, src1.length() - 2); break;
 				case ARG_BRANCH:
 				{
 					for(u32 i=0; i<m_sp_string.GetCount(); ++i)
@@ -865,11 +865,11 @@ void CompilePPUProgram::LoadSp(const wxString& op, Elf64_Shdr& s_opd)
 	case SP_XOR:
 	case SP_NOR:
 	{
-		wxString src1;
+		std::string src1;
 		if(!GetArg(src1))
 		{
 			if(m_analyze) WriteHex("error\n");
-			WriteError(wxString::Format("src1 not found. style: %s", GetSpStyle(sp).wx_str()));
+			WriteError(fmt::Format("src1 not found. style: %s", GetSpStyle(sp).c_str()));
 			m_error = true;
 			NextLn();
 			return;
@@ -881,17 +881,17 @@ void CompilePPUProgram::LoadSp(const wxString& op, Elf64_Shdr& s_opd)
 		if(~(ARG_IMM | ARG_BRANCH) & a_src1.type)
 		{
 			if(m_analyze) WriteHex("error\n");
-			WriteError(wxString::Format("bad src1 type. style: %s", GetSpStyle(sp).wx_str()));
+			WriteError(fmt::Format("bad src1 type. style: %s", GetSpStyle(sp).c_str()));
 			m_error = true;
 			NextLn();
 			return;
 		}
 
-		wxString src2;
+		std::string src2;
 		if(!GetArg(src2, true))
 		{
 			if(m_analyze) WriteHex("error\n");
-			WriteError(wxString::Format("src2 not found. style: %s", GetSpStyle(sp).wx_str()));
+			WriteError(fmt::Format("src2 not found. style: %s", GetSpStyle(sp).c_str()));
 			m_error = true;
 			return;
 		}
@@ -902,7 +902,7 @@ void CompilePPUProgram::LoadSp(const wxString& op, Elf64_Shdr& s_opd)
 		if(~(ARG_IMM | ARG_BRANCH) & a_src2.type)
 		{
 			if(m_analyze) WriteHex("error\n");
-			WriteError(wxString::Format("bad src2 type. style: %s", GetSpStyle(sp).wx_str()));
+			WriteError(fmt::Format("bad src2 type. style: %s", GetSpStyle(sp).c_str()));
 			m_error = true;
 			NextLn();
 			return;
@@ -911,7 +911,7 @@ void CompilePPUProgram::LoadSp(const wxString& op, Elf64_Shdr& s_opd)
 		if(m_asm[(size_t)p - 1] != ']')
 		{
 			if(m_analyze) WriteHex("error\n");
-			WriteError(wxString::Format("']' not found. style: %s", GetSpStyle(sp).wx_str()));
+			WriteError(fmt::Format("']' not found. style: %s", GetSpStyle(sp).c_str()));
 			m_error = true;
 			NextLn();
 			return;
@@ -969,7 +969,7 @@ void CompilePPUProgram::Compile()
 	u32 text_size = 0;
 	while(!IsEnd())
 	{
-		wxString op;
+		std::string op;
 		if(GetOp(op) && !IsFuncOp(op) && !IsBranchOp(op) && !IsSpOp(op))
 		{
 			text_size += 4;
@@ -994,7 +994,7 @@ void CompilePPUProgram::Compile()
 	Elf64_Shdr s_null;
 	memset(&s_null, 0, sizeof(Elf64_Shdr));
 
-	wxArrayString sections_names;
+	std::vector<std::string> sections_names;
 	u32 section_name_offset = 1;
 
 	Elf64_Shdr s_text;
@@ -1006,18 +1006,18 @@ void CompilePPUProgram::Compile()
 	s_text.sh_addralign = 4;
 	s_text.sh_flags = 6;
 	s_text.sh_name = section_name_offset;
-	sections_names.Add(".text");
-	section_name_offset += wxString(".text").Len() + 1;
+	sections_names.push_back(".text");
+	section_name_offset += std::string(".text").length() + 1;
 	section_offset += s_text.sh_size;
 
 	m_text_addr = s_text.sh_addr;
 
 	struct Module
 	{
-		wxString m_name;
+		std::string m_name;
 		Array<u32> m_imports;
 
-		Module(const wxString& name, u32 import) : m_name(name)
+		Module(const std::string& name, u32 import) : m_name(name)
 		{
 			Add(import);
 		}
@@ -1029,7 +1029,7 @@ void CompilePPUProgram::Compile()
 
 		void Clear()
 		{
-			m_name.Clear();
+			m_name.clear();
 			m_imports.Clear();
 		}
 	};
@@ -1039,7 +1039,7 @@ void CompilePPUProgram::Compile()
 	FirstChar();
 	while(!IsEnd())
 	{
-		wxString op;
+		std::string op;
 		if(!GetOp(op) || !IsFuncOp(op))
 		{
 			NextLn();
@@ -1049,7 +1049,7 @@ void CompilePPUProgram::Compile()
 		while(p > 0 && m_asm[(size_t)p] != '[') p--;
 		p++;
 
-		wxString module, name, id;
+		std::string module, name, id;
 
 		if(!GetArg(module))
 		{
@@ -1118,13 +1118,13 @@ void CompilePPUProgram::Compile()
 
 		if(!CheckEnd()) continue;
 
-		m_branches.Move(new Branch(name, a_id.value, 0));
+		m_branches.Move(new Branch(name, a_id.value, 0)); //TODO: HACK: new and free() mixed
 		const u32 import = m_branches.GetCount() - 1;
 
 		bool founded = false;
 		for(u32 i=0; i<modules.GetCount(); ++i)
 		{
-			if(modules[i].m_name.Cmp(module) != 0) continue;
+			if(modules[i].m_name.compare(module) != 0) continue;
 			founded = true;
 			modules[i].Add(import);
 			break;
@@ -1150,8 +1150,8 @@ void CompilePPUProgram::Compile()
 	s_sceStub_text.sh_name = section_name_offset;
 	s_sceStub_text.sh_flags = 6;
 	s_sceStub_text.sh_size = imports_count * sceStub_text_block;
-	sections_names.Add(".sceStub.text");
-	section_name_offset += wxString(".sceStub.text").Len() + 1;
+	sections_names.push_back(".sceStub.text");
+	section_name_offset += std::string(".sceStub.text").length() + 1;
 	section_offset += s_sceStub_text.sh_size;
 
 	for(u32 m=0, pos=0; m<modules.GetCount(); ++m)
@@ -1172,8 +1172,8 @@ void CompilePPUProgram::Compile()
 	s_lib_stub_top.sh_addr = section_offset + 0x10000;
 	s_lib_stub_top.sh_flags = 2;
 	s_lib_stub_top.sh_size = 4;
-	sections_names.Add(".lib.stub.top");
-	section_name_offset += wxString(".lib.stub.top").Len() + 1;
+	sections_names.push_back(".lib.stub.top");
+	section_name_offset += std::string(".lib.stub.top").length() + 1;
 	section_offset += s_lib_stub_top.sh_size;
 
 	Elf64_Shdr s_lib_stub;
@@ -1185,8 +1185,8 @@ void CompilePPUProgram::Compile()
 	s_lib_stub.sh_addr = section_offset + 0x10000;
 	s_lib_stub.sh_flags = 2;
 	s_lib_stub.sh_size = sizeof(Elf64_StubHeader) * modules.GetCount();
-	sections_names.Add(".lib.stub");
-	section_name_offset += wxString(".lib.stub").Len() + 1;
+	sections_names.push_back(".lib.stub");
+	section_name_offset += std::string(".lib.stub").length() + 1;
 	section_offset += s_lib_stub.sh_size;
 
 	Elf64_Shdr s_lib_stub_btm;
@@ -1198,8 +1198,8 @@ void CompilePPUProgram::Compile()
 	s_lib_stub_btm.sh_addr = section_offset + 0x10000;
 	s_lib_stub_btm.sh_flags = 2;
 	s_lib_stub_btm.sh_size = 4;
-	sections_names.Add(".lib.stub.btm");
-	section_name_offset += wxString(".lib.stub.btm").Len() + 1;
+	sections_names.push_back(".lib.stub.btm");
+	section_name_offset += std::string(".lib.stub.btm").length() + 1;
 	section_offset += s_lib_stub_btm.sh_size;
 
 	Elf64_Shdr s_rodata_sceFNID;
@@ -1212,8 +1212,8 @@ void CompilePPUProgram::Compile()
 	s_rodata_sceFNID.sh_addr = section_offset + 0x10000;
 	s_rodata_sceFNID.sh_flags = 2;
 	s_rodata_sceFNID.sh_size = imports_count * 4;
-	sections_names.Add(".rodata.sceFNID");
-	section_name_offset += wxString(".rodata.sceFNID").Len() + 1;
+	sections_names.push_back(".rodata.sceFNID");
+	section_name_offset += std::string(".rodata.sceFNID").length() + 1;
 	section_offset += s_rodata_sceFNID.sh_size;
 
 	Elf64_Shdr s_rodata_sceResident;
@@ -1228,11 +1228,11 @@ void CompilePPUProgram::Compile()
 	s_rodata_sceResident.sh_size = 4;
 	for(u32 i=0; i<modules.GetCount(); ++i)
 	{
-		s_rodata_sceResident.sh_size += modules[i].m_name.Len() + 1;
+		s_rodata_sceResident.sh_size += modules[i].m_name.length() + 1;
 	}
 	s_rodata_sceResident.sh_size = Memory.AlignAddr(s_rodata_sceResident.sh_size, s_rodata_sceResident.sh_addralign);
-	sections_names.Add(".rodata.sceResident");
-	section_name_offset += wxString(".rodata.sceResident").Len() + 1;
+	sections_names.push_back(".rodata.sceResident");
+	section_name_offset += std::string(".rodata.sceResident").length() + 1;
 	section_offset += s_rodata_sceResident.sh_size;
 
 	Elf64_Shdr s_lib_ent_top;
@@ -1245,8 +1245,8 @@ void CompilePPUProgram::Compile()
 	s_lib_ent_top.sh_name = section_name_offset;
 	s_lib_ent_top.sh_offset = section_offset;
 	s_lib_ent_top.sh_addr = section_offset + 0x10000;
-	sections_names.Add(".lib.ent.top");
-	section_name_offset += wxString(".lib.ent.top").Len() + 1;
+	sections_names.push_back(".lib.ent.top");
+	section_name_offset += std::string(".lib.ent.top").length() + 1;
 	section_offset += s_lib_ent_top.sh_size;
 
 	Elf64_Shdr s_lib_ent_btm;
@@ -1258,8 +1258,8 @@ void CompilePPUProgram::Compile()
 	s_lib_ent_btm.sh_name = section_name_offset;
 	s_lib_ent_btm.sh_offset = section_offset;
 	s_lib_ent_btm.sh_addr = section_offset + 0x10000;
-	sections_names.Add(".lib.ent.btm");
-	section_name_offset += wxString(".lib.ent.btm").Len() + 1;
+	sections_names.push_back(".lib.ent.btm");
+	section_name_offset += std::string(".lib.ent.btm").length() + 1;
 	section_offset += s_lib_ent_btm.sh_size;
 
 	Elf64_Shdr s_sys_proc_prx_param;
@@ -1272,8 +1272,8 @@ void CompilePPUProgram::Compile()
 	s_sys_proc_prx_param.sh_offset = section_offset;
 	s_sys_proc_prx_param.sh_addr = section_offset + 0x10000;
 	s_sys_proc_prx_param.sh_flags = 2;
-	sections_names.Add(".sys_proc_prx_param");
-	section_name_offset += wxString(".sys_proc_prx_param").Len() + 1;
+	sections_names.push_back(".sys_proc_prx_param");
+	section_name_offset += std::string(".sys_proc_prx_param").length() + 1;
 	section_offset += s_sys_proc_prx_param.sh_size;
 
 	const u32 prog_load_0_end = section_offset;
@@ -1291,8 +1291,8 @@ void CompilePPUProgram::Compile()
 	s_data_sceFStub.sh_offset = section_offset;
 	s_data_sceFStub.sh_addr = section_offset + 0x10000;
 	s_data_sceFStub.sh_size = imports_count * 4;
-	sections_names.Add(".data.sceFStub");
-	section_name_offset += wxString(".data.sceFStub").Len() + 1;
+	sections_names.push_back(".data.sceFStub");
+	section_name_offset += std::string(".data.sceFStub").length() + 1;
 	section_offset += s_data_sceFStub.sh_size;
 
 	Elf64_Shdr s_tbss;
@@ -1305,8 +1305,8 @@ void CompilePPUProgram::Compile()
 	s_tbss.sh_name = section_name_offset;
 	s_tbss.sh_offset = section_offset;
 	s_tbss.sh_addr = section_offset + 0x10000;
-	sections_names.Add(".tbss");
-	section_name_offset += wxString(".tbss").Len() + 1;
+	sections_names.push_back(".tbss");
+	section_name_offset += std::string(".tbss").length() + 1;
 	section_offset += s_tbss.sh_size;
 
 	Elf64_Shdr s_opd;
@@ -1319,14 +1319,14 @@ void CompilePPUProgram::Compile()
 	s_opd.sh_addr = section_offset + 0x10000;
 	s_opd.sh_name = section_name_offset;
 	s_opd.sh_flags = 3;
-	sections_names.Add(".opd");
-	section_name_offset += wxString(".opd").Len() + 1;
+	sections_names.push_back(".opd");
+	section_name_offset += std::string(".opd").length() + 1;
 
 	FirstChar();
 
 	while(!IsEnd())
 	{
-		wxString op;
+		std::string op;
 		if(!GetOp(op) || IsFuncOp(op) || IsSpOp(op))
 		{
 			NextLn();
@@ -1335,12 +1335,12 @@ void CompilePPUProgram::Compile()
 
 		if(IsBranchOp(op))
 		{
-			const wxString& name = op(0, op.Len() - 1);
+			const std::string& name = op.substr(0, op.length() - 1);
 
 			for(u32 i=0; i<m_branches.GetCount(); ++i)
 			{
-				if(name.ToStdString() != m_branches[i].m_name) continue;
-				WriteError(wxString::Format("'%s' already declared", name.wx_str()));
+				if(name != m_branches[i].m_name) continue;
+				WriteError(fmt::Format("'%s' already declared", name.c_str()));
 				m_error = true;
 				break;
 			}
@@ -1350,13 +1350,13 @@ void CompilePPUProgram::Compile()
 
 			if(a_name.type != ARG_ERR)
 			{
-				WriteError(wxString::Format("bad name '%s'", name.wx_str()));
+				WriteError(fmt::Format("bad name '%s'", name.c_str()));
 				m_error = true;
 			}
 
 			if(m_error) break;
 
-			m_branches.Move(new Branch(name, m_branch_pos));
+			m_branches.Move(new Branch(name, m_branch_pos)); //TODO: HACK: free() and new mixed
 
 			CheckEnd();
 			continue;
@@ -1376,7 +1376,7 @@ void CompilePPUProgram::Compile()
 		break;
 	}
 
-	if(!has_entry) m_branches.Move(new Branch("entry", 0));
+	if(!has_entry) m_branches.Move(new Branch("entry", 0)); //TODO: HACK: new and free() mixed
 
 	if(m_analyze) m_error = false;
 	FirstChar();
@@ -1386,7 +1386,7 @@ void CompilePPUProgram::Compile()
 		m_args.Clear();
 		m_end_args = false;
 
-		wxString op;
+		std::string op;
 		if(!GetOp(op) || IsBranchOp(op) || IsFuncOp(op))
 		{
 			if(m_analyze) WriteHex("\n");
@@ -1430,7 +1430,7 @@ void CompilePPUProgram::Compile()
 		}
 		else
 		{
-			WriteError(wxString::Format("unknown instruction '%s'", op.wx_str()));
+			WriteError(fmt::Format("unknown instruction '%s'", op.c_str()));
 			EndLn();
 			m_error = true;
 		}
@@ -1462,14 +1462,14 @@ void CompilePPUProgram::Compile()
 			code = (*instr)(args);
 		}
 
-		if(m_analyze) WriteHex(wxString::Format("0x%08x\n", code));
+		if(m_analyze) WriteHex(fmt::Format("0x%08x\n", code));
 
 		if(!m_analyze) m_code.AddCpy(code);
 
 		m_branch_pos++;
 	}
 
-	if(!m_file_path.IsEmpty() && !m_analyze && !m_error)
+	if(!m_file_path.empty() && !m_analyze && !m_error)
 	{
 		s_opd.sh_size = Memory.AlignAddr(s_opd.sh_size, s_opd.sh_addralign);
 		section_offset += s_opd.sh_size;
@@ -1484,12 +1484,12 @@ void CompilePPUProgram::Compile()
 		s_shstrtab.sh_type = 3;
 		s_shstrtab.sh_offset = section_offset;
 		s_shstrtab.sh_addr = 0;
-		sections_names.Add(".shstrtab");
-		section_name_offset += wxString(".shstrtab").Len() + 1;
+		sections_names.push_back(".shstrtab");
+		section_name_offset += std::string(".shstrtab").length() + 1;
 		s_shstrtab.sh_size = section_name_offset;
 		section_offset += s_shstrtab.sh_size;
 
-		wxFile f(m_file_path, wxFile::write);
+		wxFile f(fmt::FromUTF8(m_file_path), wxFile::write);
 
 		elf_info.e_magic = 0x7F454C46;
 		elf_info.e_class = 2; //ELF64
@@ -1595,7 +1595,7 @@ void CompilePPUProgram::Compile()
 			dataoffs += modules[i].m_imports.GetCount() * 4;
 
 			f.Write(&stub, sizeof(Elf64_StubHeader));
-			nameoffs += modules[i].m_name.Len() + 1;
+			nameoffs += modules[i].m_name.length() + 1;
 		}
 
 		f.Seek(s_lib_stub_btm.sh_offset);
@@ -1622,7 +1622,7 @@ void CompilePPUProgram::Compile()
 		f.Seek(s_rodata_sceResident.sh_offset + 4);
 		for(u32 i=0; i<modules.GetCount(); ++i)
 		{
-			f.Write(&modules[i].m_name[0], modules[i].m_name.Len() + 1);
+			f.Write(&modules[i].m_name[0], modules[i].m_name.length() + 1);
 		}
 
 		f.Seek(s_sys_proc_prx_param.sh_offset);
@@ -1638,9 +1638,9 @@ void CompilePPUProgram::Compile()
 		f.Seek(s_tbss.sh_size, wxFromCurrent);
 
 		f.Seek(s_shstrtab.sh_offset + 1);
-		for(u32 i=0; i<sections_names.GetCount(); ++i)
+		for(u32 i=0; i<sections_names.size(); ++i)
 		{
-			f.Write(&sections_names[i][0], sections_names[i].Len() + 1);
+			f.Write(&sections_names[i][0], sections_names[i].length() + 1);
 		}
 
 		Elf64_Phdr p_load_0;
@@ -1700,7 +1700,7 @@ void CompilePPUProgram::Compile()
 		WritePhdr(f, p_loos_1);
 		WritePhdr(f, p_loos_2);
 
-		sections_names.Clear();
+		sections_names.clear();
 		delete[] opd_data;
 		for(u32 i=0; i<modules.GetCount(); ++i) modules[i].Clear();
 		modules.Clear();
@@ -1729,6 +1729,7 @@ void CompilePPUProgram::Compile()
 	}
 	else
 	{
+		//TODO: doesn't look portable
 		system("make_fself.cmd");
 	}
 }
diff --git a/rpcs3/Emu/Cell/PPUProgramCompiler.h b/rpcs3/Emu/Cell/PPUProgramCompiler.h
index 857965b95f..2581754c78 100644
--- a/rpcs3/Emu/Cell/PPUProgramCompiler.h
+++ b/rpcs3/Emu/Cell/PPUProgramCompiler.h
@@ -23,8 +23,8 @@ struct Arg
 	u32 value;
 	ArgType type;
 
-	Arg(const wxString& _string, const u32 _value = 0, const ArgType _type = ARG_ERR)
-		: string(_string.ToStdString())
+	Arg(const std::string& _string, const u32 _value = 0, const ArgType _type = ARG_ERR)
+		: string(_string)
 		, value(_value)
 		, type(_type)
 	{
@@ -38,7 +38,7 @@ struct SectionInfo
 	Array<u8> code;
 	u32 section_num;
 
-	SectionInfo(const wxString& name);
+	SectionInfo(const std::string& name);
 	~SectionInfo();
 
 	void SetDataSize(u32 size, u32 align = 0);
@@ -67,16 +67,16 @@ class CompilePPUProgram
 		s32 m_id;
 		s32 m_addr;
 
-		Branch(const wxString& name, s32 pos)
-			: m_name(name.ToStdString())
+		Branch(const std::string& name, s32 pos)
+			: m_name(name)
 			, m_pos(pos)
 			, m_id(-1)
 			, m_addr(-1)
 		{
 		}
 
-		Branch(const wxString& name, u32 id, u32 addr)
-			: m_name(name.ToStdString())
+		Branch(const std::string& name, u32 id, u32 addr)
+			: m_name(name)
 			, m_pos(-1)
 			, m_id(id)
 			, m_addr(addr)
@@ -87,7 +87,7 @@ class CompilePPUProgram
 	bool m_analyze;
 	s64 p;
 	u64 m_line;
-	const wxString& m_asm;
+	const std::string& m_asm;
 	wxTextCtrl* m_asm_list;
 	wxTextCtrl* m_hex_list;
 	wxTextCtrl* m_err_list;
@@ -97,15 +97,15 @@ class CompilePPUProgram
 	Array<Branch> m_branches;
 	s32 m_branch_pos;
 	u32 m_text_addr;
-	wxString m_file_path;
+	std::string m_file_path;
 
 	struct SpData
 	{
 		std::string m_data;
 		u32 m_addr;
 
-		SpData(const wxString& data, u32 addr)
-			: m_data(data.ToStdString())
+		SpData(const std::string& data, u32 addr)
+			: m_data(data)
 			, m_addr(addr)
 		{
 		}
@@ -117,8 +117,8 @@ class CompilePPUProgram
 
 public:
 	CompilePPUProgram(
-			const wxString& asm_,
-			const wxString& file_path = wxEmptyString,
+			const std::string& asm_,
+			const std::string& file_path = "",
 			wxTextCtrl* asm_list = nullptr,
 			wxTextCtrl* hex_list = nullptr,
 			wxTextCtrl* err_list = nullptr,
@@ -131,8 +131,8 @@ protected:
 	bool IsEnd() const;
 	bool IsEndLn(const char c) const;
 
-	void WriteHex(const wxString& text);
-	void WriteError(const wxString& error);
+	void WriteHex(const std::string& text);
+	void WriteError(const std::string& error);
 
 	char NextChar();
 	void NextLn();
@@ -141,21 +141,21 @@ protected:
 	void FirstChar();
 	void PrevArg();
 
-	bool GetOp(wxString& result);
-	int GetArg(wxString& result, bool func = false);
+	bool GetOp(std::string& result);
+	int GetArg(std::string& result, bool func = false);
 
 	bool CheckEnd(bool show_err = true);
 
 	void DetectArgInfo(Arg& arg);
 	void LoadArgs();
-	u32 GetBranchValue(const wxString& branch);
+	u32 GetBranchValue(const std::string& branch);
 
 	bool SetNextArgType(u32 types, bool show_err = true);
 	bool SetNextArgBranch(u8 aa, bool show_err = true);
 
 public:
-	static bool IsBranchOp(const wxString& op);
-	static bool IsFuncOp(const wxString& op);
+	static bool IsBranchOp(const std::string& op);
+	static bool IsFuncOp(const std::string& op);
 
 	enum SP_TYPE
 	{
@@ -177,15 +177,15 @@ public:
 		SP_NOR,
 	};
 
-	static SP_TYPE GetSpType(const wxString& op);
-	static wxString GetSpStyle(const SP_TYPE sp);
+	static SP_TYPE GetSpType(const std::string& op);
+	static std::string GetSpStyle(const SP_TYPE sp);
 
-	static bool IsSpOp(const wxString& op);
+	static bool IsSpOp(const std::string& op);
 
 protected:
-	Branch& GetBranch(const wxString& name);
-	void SetSp(const wxString& name, u32 addr, bool create);
-	void LoadSp(const wxString& op, Elf64_Shdr& s_opd);
+	Branch& GetBranch(const std::string& name);
+	void SetSp(const std::string& name, u32 addr, bool create);
+	void LoadSp(const std::string& op, Elf64_Shdr& s_opd);
 
 public:
 	void Compile();
diff --git a/rpcs3/Emu/Cell/PPUThread.cpp b/rpcs3/Emu/Cell/PPUThread.cpp
index 05405efc13..2e2de76536 100644
--- a/rpcs3/Emu/Cell/PPUThread.cpp
+++ b/rpcs3/Emu/Cell/PPUThread.cpp
@@ -10,7 +10,7 @@ PPUThread& GetCurrentPPUThread()
 {
 	PPCThread* thread = GetCurrentPPCThread();
 
-	if(!thread || thread->GetType() != CPU_THREAD_PPU) throw wxString("GetCurrentPPUThread: bad thread");
+	if(!thread || thread->GetType() != CPU_THREAD_PPU) throw std::string("GetCurrentPPUThread: bad thread");
 
 	return *(PPUThread*)thread;
 }
@@ -47,9 +47,9 @@ void PPUThread::DoReset()
 	cycle = 0;
 }
 
-void PPUThread::AddArgv(const wxString& arg)
+void PPUThread::AddArgv(const std::string& arg)
 {
-	m_stack_point -= arg.Len() + 1;
+	m_stack_point -= arg.length() + 1;
 	m_stack_point = Memory.AlignAddr(m_stack_point, 0x10) - 0x10;
 	m_argv_addr.AddCpy(m_stack_point);
 	Memory.WriteString(m_stack_point, arg);
diff --git a/rpcs3/Emu/Cell/PPUThread.h b/rpcs3/Emu/Cell/PPUThread.h
index d0db068ab9..9da6680abd 100644
--- a/rpcs3/Emu/Cell/PPUThread.h
+++ b/rpcs3/Emu/Cell/PPUThread.h
@@ -381,7 +381,7 @@ struct PPCdouble
 		}
 #endif
 
-		throw wxString::Format("PPCdouble::UpdateType() -> unknown fpclass (0x%04x).", fpc);
+		throw fmt::Format("PPCdouble::UpdateType() -> unknown fpclass (0x%04x).", fpc);
 	}
 
 	FPRType GetType() const
@@ -488,11 +488,11 @@ union VPR_reg
 
 	VPR_reg() { Clear(); }
 
-	wxString ToString(bool hex=false) const
+	std::string ToString(bool hex = false) const
 	{
-		if(hex) return wxString::Format("%08x%08x%08x%08x", _u32[3], _u32[2], _u32[1], _u32[0]);
+		if(hex) return fmt::Format("%08x%08x%08x%08x", _u32[3], _u32[2], _u32[1], _u32[0]);
 
-		return wxString::Format("x: %g y: %g z: %g w: %g", _f[3], _f[2], _f[1], _f[0]);
+		return fmt::Format("x: %g y: %g z: %g w: %g", _f[3], _f[2], _f[1], _f[0]);
 	}
 
 	u8 GetBit(u8 bit)
@@ -735,99 +735,106 @@ public:
 		FPSCR.FI = val;
 	}
 
-	virtual wxString RegsToString()
+	virtual std::string RegsToString()
 	{
-		wxString ret = "Registers:\n=========\n";
+		std::string ret = "Registers:\n=========\n";
 
-		for(uint i=0; i<32; ++i) ret += wxString::Format("GPR[%d] = 0x%llx\n", i, GPR[i]);
-		for(uint i=0; i<32; ++i) ret += wxString::Format("FPR[%d] = %.6G\n", i, (double)FPR[i]);
-		for(uint i=0; i<32; ++i) ret += wxString::Format("VPR[%d] = 0x%s [%s]\n", i, (const char*)VPR[i].ToString(true).wx_str(), (const char*)VPR[i].ToString().wx_str());
-		ret += wxString::Format("CR = 0x%08x\n", CR.CR);
-		ret += wxString::Format("LR = 0x%llx\n", LR);
-		ret += wxString::Format("CTR = 0x%llx\n", CTR);
-		ret += wxString::Format("XER = 0x%llx [CA=%lld | OV=%lld | SO=%lld]\n", XER.XER, XER.CA, XER.OV, XER.SO);
-		ret += wxString::Format("FPSCR = 0x%x "
+		for(uint i=0; i<32; ++i) ret += fmt::Format("GPR[%d] = 0x%llx\n", i, GPR[i]);
+		for(uint i=0; i<32; ++i) ret += fmt::Format("FPR[%d] = %.6G\n", i, (double)FPR[i]);
+		for(uint i=0; i<32; ++i) ret += fmt::Format("VPR[%d] = 0x%s [%s]\n", i, (const char*)VPR[i].ToString(true).c_str(), (const char*)VPR[i].ToString().c_str());
+		ret += fmt::Format("CR = 0x%08x\n", CR.CR);
+		ret += fmt::Format("LR = 0x%llx\n", LR);
+		ret += fmt::Format("CTR = 0x%llx\n", CTR);
+		ret += fmt::Format("XER = 0x%llx [CA=%lld | OV=%lld | SO=%lld]\n", XER.XER, fmt::by_value(XER.CA), fmt::by_value(XER.OV), fmt::by_value(XER.SO));
+		ret += fmt::Format("FPSCR = 0x%x "
 			"[RN=%d | NI=%d | XE=%d | ZE=%d | UE=%d | OE=%d | VE=%d | "
 			"VXCVI=%d | VXSQRT=%d | VXSOFT=%d | FPRF=%d | "
 			"FI=%d | FR=%d | VXVC=%d | VXIMZ=%d | "
 			"VXZDZ=%d | VXIDI=%d | VXISI=%d | VXSNAN=%d | "
 			"XX=%d | ZX=%d | UX=%d | OX=%d | VX=%d | FEX=%d | FX=%d]\n",
 			FPSCR.FPSCR,
-			FPSCR.RN,
-			FPSCR.NI, FPSCR.XE, FPSCR.ZE, FPSCR.UE, FPSCR.OE, FPSCR.VE,
-			FPSCR.VXCVI, FPSCR.VXSQRT, FPSCR.VXSOFT, FPSCR.FPRF,
-			FPSCR.FI, FPSCR.FR, FPSCR.VXVC, FPSCR.VXIMZ,
-			FPSCR.VXZDZ, FPSCR.VXIDI, FPSCR.VXISI, FPSCR.VXSNAN,
-			FPSCR.XX, FPSCR.ZX, FPSCR.UX, FPSCR.OX, FPSCR.VX, FPSCR.FEX, FPSCR.FX);
+			fmt::by_value(FPSCR.RN),
+			fmt::by_value(FPSCR.NI), fmt::by_value(FPSCR.XE), fmt::by_value(FPSCR.ZE), fmt::by_value(FPSCR.UE), fmt::by_value(FPSCR.OE), fmt::by_value(FPSCR.VE),
+			fmt::by_value(FPSCR.VXCVI), fmt::by_value(FPSCR.VXSQRT), fmt::by_value(FPSCR.VXSOFT), fmt::by_value(FPSCR.FPRF),
+			fmt::by_value(FPSCR.FI), fmt::by_value(FPSCR.FR), fmt::by_value(FPSCR.VXVC), fmt::by_value(FPSCR.VXIMZ),
+			fmt::by_value(FPSCR.VXZDZ), fmt::by_value(FPSCR.VXIDI), fmt::by_value(FPSCR.VXISI), fmt::by_value(FPSCR.VXSNAN),
+			fmt::by_value(FPSCR.XX), fmt::by_value(FPSCR.ZX), fmt::by_value(FPSCR.UX), fmt::by_value(FPSCR.OX), fmt::by_value(FPSCR.VX), fmt::by_value(FPSCR.FEX), fmt::by_value(FPSCR.FX));
 
 		return ret;
 	}
 
-	virtual wxString ReadRegString(wxString reg)
+	virtual std::string ReadRegString(const std::string& reg)
 	{
-		if (reg.Contains("["))
+		std::string::size_type first_brk = reg.find('[');
+		if (first_brk != std::string::npos)
 		{
-			long reg_index;
-			reg.AfterFirst('[').RemoveLast().ToLong(&reg_index);
-			if (reg.StartsWith("GPR")) return wxString::Format("%016llx", GPR[reg_index]);
-			if (reg.StartsWith("FPR")) return wxString::Format("%016llx", (double)FPR[reg_index]);
-			if (reg.StartsWith("VPR")) return wxString::Format("%016llx%016llx", VPR[reg_index]._u64[1], VPR[reg_index]._u64[0]);
+			long reg_index = atol(reg.substr(first_brk+1,reg.length()-first_brk-2).c_str());
+			if (reg.find("GPR")==0) return fmt::Format("%016llx", GPR[reg_index]);
+			if (reg.find("FPR")==0) return fmt::Format("%016llx", (double)FPR[reg_index]);
+			if (reg.find("VPR")==0) return fmt::Format("%016llx%016llx", VPR[reg_index]._u64[1], VPR[reg_index]._u64[0]);
 		}
-		if (reg == "CR")	return wxString::Format("%08x", CR.CR);
-		if (reg == "LR")	return wxString::Format("%016llx", LR);
-		if (reg == "CTR")	return wxString::Format("%016llx", CTR);
-		if (reg == "XER")	return wxString::Format("%016llx", XER.XER);
-		if (reg == "FPSCR")	return wxString::Format("%08x", FPSCR.FPSCR);
+		if (reg == "CR")	return fmt::Format("%08x", CR.CR);
+		if (reg == "LR")	return fmt::Format("%016llx", LR);
+		if (reg == "CTR")	return fmt::Format("%016llx", CTR);
+		if (reg == "XER")	return fmt::Format("%016llx", XER.XER);
+		if (reg == "FPSCR")	return fmt::Format("%08x", FPSCR.FPSCR);
 
-		return wxEmptyString;
+		return "";
 	}
 
-	bool WriteRegString(wxString reg, wxString value) {
-		while (value.Len() < 32) value = "0"+value;
-		if (reg.Contains("["))
+	bool WriteRegString(const std::string& reg, std::string value) {
+		while (value.length() < 32) value = "0"+value;
+		std::string::size_type first_brk = reg.find('[');
+		try
 		{
-			long reg_index;
-			reg.AfterFirst('[').RemoveLast().ToLong(&reg_index);
-			if (reg.StartsWith("GPR") || (reg.StartsWith("FPR")))
+			if (first_brk != std::string::npos)
+			{
+				long reg_index = atol(reg.substr(first_brk + 1, reg.length() - first_brk - 2).c_str());
+				if (reg.find("GPR")==0 || reg.find("FPR")==0 )
+				{
+					unsigned long long reg_value;
+					reg_value = std::stoull(value.substr(16, 31),0,16);
+					if (reg.find("GPR")==0) GPR[reg_index] = (u64)reg_value;
+					if (reg.find("FPR")==0) FPR[reg_index] = (u64)reg_value;
+					return true;
+				}
+				if (reg.find("VPR")==0)
+				{
+					unsigned long long reg_value0;
+					unsigned long long reg_value1;
+					reg_value0 = std::stoull(value.substr(16, 31), 0, 16);
+					reg_value1 = std::stoull(value.substr(0, 15), 0, 16);
+					VPR[reg_index]._u64[0] = (u64)reg_value0;
+					VPR[reg_index]._u64[1] = (u64)reg_value1;
+					return true;
+				}
+			}
+			if (reg == "LR" || reg == "CTR" || reg == "XER")
 			{
 				unsigned long long reg_value;
-				if (!value.SubString(16,31).ToULongLong(&reg_value, 16)) return false;
-				if (reg.StartsWith("GPR")) GPR[reg_index] = (u64)reg_value;
-				if (reg.StartsWith("FPR")) FPR[reg_index] = (u64)reg_value;
+				reg_value = std::stoull(value.substr(16, 31), 0, 16);
+				if (reg == "LR") LR = (u64)reg_value;
+				if (reg == "CTR") CTR = (u64)reg_value;
+				if (reg == "XER") XER.XER = (u64)reg_value;
 				return true;
 			}
-			if (reg.StartsWith("VPR"))
+			if (reg == "CR" || reg == "FPSCR")
 			{
-				unsigned long long reg_value0;
-				unsigned long long reg_value1;
-				if (!value.SubString(16,31).ToULongLong(&reg_value0, 16)) return false;
-				if (!value.SubString(0,15).ToULongLong(&reg_value1, 16)) return false;
-				VPR[reg_index]._u64[0] = (u64)reg_value0;
-				VPR[reg_index]._u64[1] = (u64)reg_value1;
+				unsigned long reg_value;
+				reg_value = std::stoull(value.substr(24, 31), 0, 16);
+				if (reg == "CR") CR.CR = (u32)reg_value;
+				if (reg == "FPSCR") FPSCR.FPSCR = (u32)reg_value;
 				return true;
 			}
 		}
-		if (reg == "LR" || reg == "CTR" || reg == "XER")
+		catch (std::invalid_argument& e)//if any of the stoull conversion fail
 		{
-			unsigned long long reg_value;
-			if (!value.SubString(16,31).ToULongLong(&reg_value, 16)) return false;
-			if (reg == "LR") LR = (u64)reg_value;
-			if (reg == "CTR") CTR = (u64)reg_value;
-			if (reg == "XER") XER.XER = (u64)reg_value;
-			return true;
-		}
-		if (reg == "CR" || reg == "FPSCR")
-		{
-			unsigned long reg_value;
-			if (!value.SubString(24,31).ToULong(&reg_value, 16)) return false;
-			if (reg == "CR") CR.CR = (u32)reg_value;
-			if (reg == "FPSCR") FPSCR.FPSCR = (u32)reg_value;
-			return true;
+			return false;
 		}
 		return false;
 	}
 
-	virtual void AddArgv(const wxString& arg) override;
+	virtual void AddArgv(const std::string& arg) override;
 
 public:
 	virtual void InitRegs(); 
diff --git a/rpcs3/Emu/Cell/RawSPUThread.cpp b/rpcs3/Emu/Cell/RawSPUThread.cpp
index 4cb3d27354..0c2dac87cb 100644
--- a/rpcs3/Emu/Cell/RawSPUThread.cpp
+++ b/rpcs3/Emu/Cell/RawSPUThread.cpp
@@ -251,7 +251,7 @@ u32 RawSPUThread::GetIndex() const
 
 void RawSPUThread::Task()
 {
-	if (Ini.HLELogging.GetValue()) ConLog.Write("%s enter", PPCThread::GetFName().wx_str());
+	if (Ini.HLELogging.GetValue()) ConLog.Write("%s enter", PPCThread::GetFName().c_str());
 
 	const Array<u64>& bp = Emu.GetBreakPoints();
 
@@ -325,14 +325,14 @@ void RawSPUThread::Task()
 			}
 		}
 	}
-	catch(const wxString& e)
+	catch(const std::string& e)
 	{
-		ConLog.Error("Exception: %s", e.wx_str());
+		ConLog.Error("Exception: %s", e.c_str());
 	}
 	catch(const char* e)
 	{
-		ConLog.Error("Exception: %s", wxString(e).wx_str());
+		ConLog.Error("Exception: %s", e);
 	}
 
-	if (Ini.HLELogging.GetValue()) ConLog.Write("%s leave", PPCThread::GetFName().wx_str());
+	if (Ini.HLELogging.GetValue()) ConLog.Write("%s leave", PPCThread::GetFName().c_str());
 }
diff --git a/rpcs3/Emu/Cell/SPUDisAsm.h b/rpcs3/Emu/Cell/SPUDisAsm.h
index e49d60b504..e1ee8fa932 100644
--- a/rpcs3/Emu/Cell/SPUDisAsm.h
+++ b/rpcs3/Emu/Cell/SPUDisAsm.h
@@ -26,54 +26,54 @@ private:
 	}
 
 private:
-	wxString& FixOp(wxString& op)
+	std::string& FixOp(std::string& op)
 	{
-		op.Append(' ', max<int>(10 - (int)op.Len(), 0));
+		op.append(max<int>(10 - (int)op.length(), 0),' ');
 		return op;
 	}
 	void DisAsm(const char* op)
 	{
 		Write(op);
 	}
-	void DisAsm(wxString op, u32 a1)
+	void DisAsm(std::string op, u32 a1)
 	{
-		Write(wxString::Format("%s 0x%x", FixOp(op).wx_str(), a1));
+		Write(fmt::Format("%s 0x%x", FixOp(op).c_str(), a1));
 	}
-	void DisAsm(wxString op, const char* a1)
+	void DisAsm(std::string op, const char* a1)
 	{
-		Write(wxString::Format("%s %s", FixOp(op).wx_str(), wxString(a1).wx_str()));
+		Write(fmt::Format("%s %s", FixOp(op).c_str(), a1));
 	}
-	void DisAsm(wxString op, const char* a1, const char* a2)
+	void DisAsm(std::string op, const char* a1, const char* a2)
 	{
-		Write(wxString::Format("%s %s,%s", FixOp(op).wx_str(), wxString(a1).wx_str(), wxString(a2).wx_str()));
+		Write(fmt::Format("%s %s,%s", FixOp(op).c_str(), a1, a2));
 	}
-	void DisAsm(wxString op, int a1, const char* a2)
+	void DisAsm(std::string op, int a1, const char* a2)
 	{
-		Write(wxString::Format("%s 0x%x,%s", FixOp(op).wx_str(), a1, wxString(a2).wx_str()));
+		Write(fmt::Format("%s 0x%x,%s", FixOp(op).c_str(), a1, a2));
 	}
-	void DisAsm(wxString op, const char* a1, int a2)
+	void DisAsm(std::string op, const char* a1, int a2)
 	{
-		Write(wxString::Format("%s %s,0x%x", FixOp(op).wx_str(), wxString(a1).wx_str(), a2));
+		Write(fmt::Format("%s %s,0x%x", FixOp(op).c_str(), a1, a2));
 	}
-	void DisAsm(wxString op, int a1, int a2)
+	void DisAsm(std::string op, int a1, int a2)
 	{
-		Write(wxString::Format("%s 0x%x,0x%x", FixOp(op).wx_str(), a1, a2));
+		Write(fmt::Format("%s 0x%x,0x%x", FixOp(op).c_str(), a1, a2));
 	}
-	void DisAsm(wxString op, const char* a1, const char* a2, const char* a3)
+	void DisAsm(std::string op, const char* a1, const char* a2, const char* a3)
 	{
-		Write(wxString::Format("%s %s,%s,%s", FixOp(op).wx_str(), wxString(a1).wx_str(), wxString(a2).wx_str(), wxString(a3).wx_str()));
+		Write(fmt::Format("%s %s,%s,%s", FixOp(op).c_str(), a1, a2, a3));
 	}
-	void DisAsm(wxString op, const char* a1, int a2, const char* a3)
+	void DisAsm(std::string op, const char* a1, int a2, const char* a3)
 	{
-		Write(wxString::Format("%s %s,0x%x(%s)", FixOp(op).wx_str(), wxString(a1).wx_str(), a2, wxString(a3).wx_str()));
+		Write(fmt::Format("%s %s,0x%x(%s)", FixOp(op).c_str(), a1, a2, a3));
 	}
-	void DisAsm(wxString op, const char* a1, const char* a2, int a3)
+	void DisAsm(std::string op, const char* a1, const char* a2, int a3)
 	{
-		Write(wxString::Format("%s %s,%s,0x%x", FixOp(op).wx_str(), wxString(a1).wx_str(), wxString(a2).wx_str(), a3));
+		Write(fmt::Format("%s %s,%s,0x%x", FixOp(op).c_str(), a1, a2, a3));
 	}
-	void DisAsm(wxString op, const char* a1, const char* a2, const char* a3, const char* a4)
+	void DisAsm(std::string op, const char* a1, const char* a2, const char* a3, const char* a4)
 	{
-		Write(wxString::Format("%s %s,%s,%s,%s", FixOp(op).wx_str(), wxString(a1).wx_str(), wxString(a2).wx_str(), wxString(a3).wx_str(), wxString(a4).wx_str()));
+		Write(fmt::Format("%s %s,%s,%s,%s", FixOp(op).c_str(), a1, a2, a3, a4));
 	}
 	//0 - 10
 	void STOP(u32 code)
@@ -885,6 +885,6 @@ private:
 
 	void UNK(u32 code, u32 opcode, u32 gcode)
 	{
-		Write(wxString::Format("Unknown/Illegal opcode! (0x%08x, 0x%x, 0x%x)", code, opcode, gcode));
+		Write(fmt::Format("Unknown/Illegal opcode! (0x%08x, 0x%x, 0x%x)", code, opcode, gcode));
 	}
 };
diff --git a/rpcs3/Emu/Cell/SPUInterpreter.h b/rpcs3/Emu/Cell/SPUInterpreter.h
index 2b6a4d782a..dfca767c9c 100644
--- a/rpcs3/Emu/Cell/SPUInterpreter.h
+++ b/rpcs3/Emu/Cell/SPUInterpreter.h
@@ -1521,13 +1521,13 @@ private:
 
 	void UNK(u32 code, u32 opcode, u32 gcode)
 	{
-		UNK(wxString::Format("Unknown/Illegal opcode! (0x%08x, 0x%x, 0x%x)", code, opcode, gcode));
+		UNK(fmt::Format("Unknown/Illegal opcode! (0x%08x, 0x%x, 0x%x)", code, opcode, gcode));
 	}
 
-	void UNK(const wxString& err)
+	void UNK(const std::string& err)
 	{
-		ConLog.Error(err + wxString::Format(" #pc: 0x%x", CPU.PC));
+		ConLog.Error(err + fmt::Format(" #pc: 0x%x", CPU.PC));
 		Emu.Pause();
-		for(uint i=0; i<128; ++i) ConLog.Write("r%d = 0x%s", i, CPU.GPR[i].ToString().wx_str());
+		for(uint i=0; i<128; ++i) ConLog.Write("r%d = 0x%s", i, CPU.GPR[i].ToString().c_str());
 	}
 };
diff --git a/rpcs3/Emu/Cell/SPUThread.cpp b/rpcs3/Emu/Cell/SPUThread.cpp
index 0d651af5f5..e3cc2b8db0 100644
--- a/rpcs3/Emu/Cell/SPUThread.cpp
+++ b/rpcs3/Emu/Cell/SPUThread.cpp
@@ -10,7 +10,7 @@ SPUThread& GetCurrentSPUThread()
 
 	if(!thread || (thread->GetType() != CPU_THREAD_SPU && thread->GetType() != CPU_THREAD_RAW_SPU))
 	{
-		throw wxString("GetCurrentSPUThread: bad thread");
+		throw std::string("GetCurrentSPUThread: bad thread");
 	}
 
 	return *(SPUThread*)thread;
diff --git a/rpcs3/Emu/Cell/SPUThread.h b/rpcs3/Emu/Cell/SPUThread.h
index 0b9173d48d..f8d99b5c9a 100644
--- a/rpcs3/Emu/Cell/SPUThread.h
+++ b/rpcs3/Emu/Cell/SPUThread.h
@@ -138,9 +138,9 @@ public:
 
 	FPSCR() {}
 
-	wxString ToString() const
+	std::string ToString() const
 	{
-		return "FPSCR writer not yet implemented"; //wxString::Format("%08x%08x%08x%08x", _u32[3], _u32[2], _u32[1], _u32[0]);
+		return "FPSCR writer not yet implemented"; //fmt::Format("%08x%08x%08x%08x", _u32[3], _u32[2], _u32[1], _u32[0]);
 	}
 
 	void Reset()
@@ -230,9 +230,9 @@ union SPU_GPR_hdr
 
 	SPU_GPR_hdr() {}
 
-	wxString ToString() const
+	std::string ToString() const
 	{
-		return wxString::Format("%08x%08x%08x%08x", _u32[3], _u32[2], _u32[1], _u32[0]);
+		return fmt::Format("%08x%08x%08x%08x", _u32[3], _u32[2], _u32[1], _u32[0]);
 	}
 
 	void Reset()
@@ -249,9 +249,9 @@ union SPU_SPR_hdr
 
 	SPU_SPR_hdr() {}
 
-	wxString ToString() const
+	std::string ToString() const
 	{
-		return wxString::Format("%08x%08x%08x%08x", _u32[3], _u32[2], _u32[1], _u32[0]);
+		return fmt::Format("%08x%08x%08x%08x", _u32[3], _u32[2], _u32[1], _u32[0]);
 	}
 
 	void Reset()
@@ -266,9 +266,9 @@ union SPU_SNRConfig_hdr
 
 	SPU_SNRConfig_hdr() {}
 
-	wxString ToString() const
+	std::string ToString() const
 	{
-		return wxString::Format("%01x", value);
+		return fmt::Format("%01x", value);
 	}
 
 	void Reset()
@@ -699,10 +699,10 @@ public:
 		case MFC_GET_CMD:
 		{
 			if (Ini.HLELogging.GetValue()) ConLog.Write("DMA %s%s%s%s: lsa = 0x%x, ea = 0x%llx, tag = 0x%x, size = 0x%x, cmd = 0x%x", 
-				wxString(op & MFC_PUT_CMD ? "PUT" : "GET").wx_str(),
-				wxString(op & MFC_RESULT_MASK ? "R" : "").wx_str(),
-				wxString(op & MFC_BARRIER_MASK ? "B" : "").wx_str(),
-				wxString(op & MFC_FENCE_MASK ? "F" : "").wx_str(),
+				(op & MFC_PUT_CMD ? "PUT" : "GET"),
+				(op & MFC_RESULT_MASK ? "R" : ""),
+				(op & MFC_BARRIER_MASK ? "B" : ""),
+				(op & MFC_FENCE_MASK ? "F" : ""),
 				lsa, ea, tag, size, cmd);
 
 			MFCArgs.CMDStatus.SetValue(dmacCmd(cmd, tag, lsa, ea, size));
@@ -714,10 +714,10 @@ public:
 		case MFC_GETL_CMD:
 		{
 			if (Ini.HLELogging.GetValue()) ConLog.Write("DMA %s%s%s%s: lsa = 0x%x, list = 0x%llx, tag = 0x%x, size = 0x%x, cmd = 0x%x",
-				wxString(op & MFC_PUT_CMD ? "PUT" : "GET").wx_str(),
-				wxString(op & MFC_RESULT_MASK ? "RL" : "L").wx_str(),
-				wxString(op & MFC_BARRIER_MASK ? "B" : "").wx_str(),
-				wxString(op & MFC_FENCE_MASK ? "F" : "").wx_str(),
+				(op & MFC_PUT_CMD ? "PUT" : "GET"),
+				(op & MFC_RESULT_MASK ? "RL" : "L"),
+				(op & MFC_BARRIER_MASK ? "B" : ""),
+				(op & MFC_FENCE_MASK ? "F" : ""),
 				lsa, ea, tag, size, cmd);
 
 			ListCmd(lsa, ea, tag, size, cmd, MFCArgs);
@@ -730,9 +730,9 @@ public:
 		case MFC_PUTQLLUC_CMD:
 		{
 			if (Ini.HLELogging.GetValue() || size != 128) ConLog.Write("DMA %s: lsa=0x%x, ea = 0x%llx, (tag) = 0x%x, (size) = 0x%x, cmd = 0x%x",
-				wxString(op == MFC_GETLLAR_CMD ? "GETLLAR" :
+				(op == MFC_GETLLAR_CMD ? "GETLLAR" :
 				op == MFC_PUTLLC_CMD ? "PUTLLC" :
-				op == MFC_PUTLLUC_CMD ? "PUTLLUC" : "PUTQLLUC").wx_str(),
+				op == MFC_PUTLLUC_CMD ? "PUTLLUC" : "PUTQLLUC"),
 				lsa, ea, tag, size, cmd);
 
 			if (op == MFC_GETLLAR_CMD) // get reservation
@@ -863,11 +863,11 @@ public:
 
 		case SPU_RdInMbox:
 			count = SPU.In_MBox.GetCount();
-			//ConLog.Warning("GetChannelCount(%s) -> %d", wxString(spu_ch_name[ch]).wx_str(), count);
+			//ConLog.Warning("GetChannelCount(%s) -> %d", spu_ch_name[ch], count);
 			return count;
 
 		case SPU_WrOutIntrMbox:
-			ConLog.Warning("GetChannelCount(%s) = 0", wxString(spu_ch_name[ch]).wx_str());
+			ConLog.Warning("GetChannelCount(%s) = 0", spu_ch_name[ch]);
 			return 0;
 
 		case MFC_RdTagStat:
@@ -890,7 +890,7 @@ public:
 
 		default:
 			ConLog.Error("%s error: unknown/illegal channel (%d [%s]).",
-				wxString(__FUNCTION__).wx_str(), ch, wxString(spu_ch_name[ch]).wx_str());
+				__FUNCTION__, ch, spu_ch_name[ch]);
 		break;
 		}
 
@@ -1017,17 +1017,17 @@ public:
 		break;
 
 		case SPU_WrOutMbox:
-			//ConLog.Warning("%s: %s = 0x%x", wxString(__FUNCTION__).wx_str(), wxString(spu_ch_name[ch]).wx_str(), v);
+			//ConLog.Warning("%s: %s = 0x%x", __FUNCTION__, spu_ch_name[ch], v);
 			while (!SPU.Out_MBox.Push(v) && !Emu.IsStopped()) Sleep(1);
 		break;
 
 		case MFC_WrTagMask:
-			//ConLog.Warning("%s: %s = 0x%x", wxString(__FUNCTION__).wx_str(), wxString(spu_ch_name[ch]).wx_str(), v);
+			//ConLog.Warning("%s: %s = 0x%x", __FUNCTION__, spu_ch_name[ch], v);
 			Prxy.QueryMask.SetValue(v);
 		break;
 
 		case MFC_WrTagUpdate:
-			//ConLog.Warning("%s: %s = 0x%x", wxString(__FUNCTION__).wx_str(), wxString(spu_ch_name[ch]).wx_str(), v);
+			//ConLog.Warning("%s: %s = 0x%x", __FUNCTION__, spu_ch_name[ch], v);
 			Prxy.TagStatus.PushUncond(Prxy.QueryMask.GetValue());
 		break;
 
@@ -1075,11 +1075,11 @@ public:
 		break;
 
 		default:
-			ConLog.Error("%s error: unknown/illegal channel (%d [%s]).", wxString(__FUNCTION__).wx_str(), ch, wxString(spu_ch_name[ch]).wx_str());
+			ConLog.Error("%s error: unknown/illegal channel (%d [%s]).", __FUNCTION__, ch, spu_ch_name[ch]);
 		break;
 		}
 
-		if (Emu.IsStopped()) ConLog.Warning("%s(%s) aborted", wxString(__FUNCTION__).wx_str(), wxString(spu_ch_name[ch]).wx_str());
+		if (Emu.IsStopped()) ConLog.Warning("%s(%s) aborted", __FUNCTION__, spu_ch_name[ch]);
 	}
 
 	void ReadChannel(SPU_GPR_hdr& r, u32 ch)
@@ -1091,22 +1091,22 @@ public:
 		{
 		case SPU_RdInMbox:
 			while (!SPU.In_MBox.Pop(v) && !Emu.IsStopped()) Sleep(1);
-			//ConLog.Warning("%s: 0x%x = %s", wxString(__FUNCTION__).wx_str(), v, wxString(spu_ch_name[ch]).wx_str());
+			//ConLog.Warning("%s: 0x%x = %s", __FUNCTION__, v, spu_ch_name[ch]);
 		break;
 
 		case MFC_RdTagStat:
 			while (!Prxy.TagStatus.Pop(v) && !Emu.IsStopped()) Sleep(1);
-			//ConLog.Warning("%s: 0x%x = %s", wxString(__FUNCTION__).wx_str(), v, wxString(spu_ch_name[ch]).wx_str());
+			//ConLog.Warning("%s: 0x%x = %s", __FUNCTION__, v, spu_ch_name[ch]);
 		break;
 
 		case SPU_RdSigNotify1:
 			while (!SPU.SNR[0].Pop(v) && !Emu.IsStopped()) Sleep(1);
-			//ConLog.Warning("%s: 0x%x = %s", wxString(__FUNCTION__).wx_str(), v, wxString(spu_ch_name[ch]).wx_str());
+			//ConLog.Warning("%s: 0x%x = %s", __FUNCTION__, v, spu_ch_name[ch]);
 		break;
 
 		case SPU_RdSigNotify2:
 			while (!SPU.SNR[1].Pop(v) && !Emu.IsStopped()) Sleep(1);
-			//ConLog.Warning("%s: 0x%x = %s", wxString(__FUNCTION__).wx_str(), v, wxString(spu_ch_name[ch]).wx_str());
+			//ConLog.Warning("%s: 0x%x = %s", __FUNCTION__, v, spu_ch_name[ch]);
 		break;
 
 		case MFC_RdAtomicStat:
@@ -1118,11 +1118,11 @@ public:
 		break;
 
 		default:
-			ConLog.Error("%s error: unknown/illegal channel (%d [%s]).", wxString(__FUNCTION__).wx_str(), ch, wxString(spu_ch_name[ch]).wx_str());
+			ConLog.Error("%s error: unknown/illegal channel (%d [%s]).", __FUNCTION__, ch, spu_ch_name[ch]);
 		break;
 		}
 
-		if (Emu.IsStopped()) ConLog.Warning("%s(%s) aborted", wxString(__FUNCTION__).wx_str(), wxString(spu_ch_name[ch]).wx_str());
+		if (Emu.IsStopped()) ConLog.Warning("%s(%s) aborted", __FUNCTION__, spu_ch_name[ch]);
 	}
 
 	bool IsGoodLSA(const u32 lsa) const { return Memory.IsGoodAddr(lsa + m_offset) && lsa < 0x40000; }
@@ -1142,39 +1142,48 @@ public:
 	SPUThread(CPUThreadType type = CPU_THREAD_SPU);
 	virtual ~SPUThread();
 
-	virtual wxString RegsToString()
+	virtual std::string RegsToString()
 	{
-		wxString ret = "Registers:\n=========\n";
+		std::string ret = "Registers:\n=========\n";
 
-		for(uint i=0; i<128; ++i) ret += wxString::Format("GPR[%d] = 0x%s\n", i, GPR[i].ToString().wx_str());
+		for(uint i=0; i<128; ++i) ret += fmt::Format("GPR[%d] = 0x%s\n", i, GPR[i].ToString().c_str());
 
 		return ret;
 	}
 
-	virtual wxString ReadRegString(wxString reg)
+	virtual std::string ReadRegString(const std::string& reg)
 	{
-		if (reg.Contains("["))
+		std::string::size_type first_brk = reg.find('[');
+		if (first_brk != std::string::npos)
 		{
 			long reg_index;
-			reg.AfterFirst('[').RemoveLast().ToLong(&reg_index);
-			if (reg.StartsWith("GPR")) return wxString::Format("%016llx%016llx",  GPR[reg_index]._u64[1], GPR[reg_index]._u64[0]);
+			reg_index = atol(reg.substr(first_brk + 1, reg.length()-2).c_str());
+			if (reg.find("GPR")==0) return fmt::Format("%016llx%016llx",  GPR[reg_index]._u64[1], GPR[reg_index]._u64[0]);
 		}
-		return wxEmptyString;
+		return "";
 	}
 
-	bool WriteRegString(wxString reg, wxString value)
+	bool WriteRegString(const std::string& reg, std::string value)
 	{
-		while (value.Len() < 32) value = "0"+value;
-		if (reg.Contains("["))
+		while (value.length() < 32) value = "0"+value;
+		std::string::size_type first_brk = reg.find('[');
+		if (first_brk != std::string::npos)
 		{
 			long reg_index;
-			reg.AfterFirst('[').RemoveLast().ToLong(&reg_index);
-			if (reg.StartsWith("GPR"))
+			reg_index = atol(reg.substr(first_brk + 1, reg.length() - 2).c_str());
+			if (reg.find("GPR")==0)
 			{
 				unsigned long long reg_value0;
 				unsigned long long reg_value1;
-				if (!value.SubString(16,31).ToULongLong(&reg_value0, 16)) return false;
-				if (!value.SubString(0,15).ToULongLong(&reg_value1, 16)) return false;
+				try
+				{
+					reg_value0 = std::stoull(value.substr(16, 31), 0, 16);
+					reg_value1 = std::stoull(value.substr(0, 15), 0, 16);
+				}
+				catch (std::invalid_argument& e)
+				{
+					return false;
+				}
 				GPR[reg_index]._u64[0] = (u64)reg_value0;
 				GPR[reg_index]._u64[1] = (u64)reg_value1;
 				return true;
diff --git a/rpcs3/Emu/DbgConsole.cpp b/rpcs3/Emu/DbgConsole.cpp
index c24a258b5a..59237c8789 100644
--- a/rpcs3/Emu/DbgConsole.cpp
+++ b/rpcs3/Emu/DbgConsole.cpp
@@ -6,7 +6,7 @@ BEGIN_EVENT_TABLE(DbgConsole, FrameBase)
 END_EVENT_TABLE()
 
 DbgConsole::DbgConsole()
-	: FrameBase(nullptr, wxID_ANY, "DbgConsole", wxEmptyString, wxDefaultSize, wxDefaultPosition, wxDEFAULT_FRAME_STYLE, true)
+	: FrameBase(nullptr, wxID_ANY, "DbgConsole", "", wxDefaultSize, wxDefaultPosition, wxDEFAULT_FRAME_STYLE, true)
 	, ThreadBase("DbgConsole thread")
 	, m_output(nullptr)
 {
@@ -28,7 +28,7 @@ DbgConsole::~DbgConsole()
 	m_dbg_buffer.Flush();
 }
 
-void DbgConsole::Write(int ch, const wxString& text)
+void DbgConsole::Write(int ch, const std::string& text)
 {
 	while (m_dbg_buffer.IsBusy())
 	{
@@ -65,10 +65,10 @@ void DbgConsole::Task()
 		DbgPacket packet = m_dbg_buffer.Pop();
 		m_console->SetDefaultStyle(packet.m_ch == 1 ? *m_color_red : *m_color_white);
 		m_console->SetInsertionPointEnd();
-		m_console->WriteText(packet.m_text);
+		m_console->WriteText(fmt::FromUTF8(packet.m_text));
 
 		if (m_output && Ini.HLESaveTTY.GetValue())
-			m_output->Write(packet.m_text);
+			m_output->Write(fmt::FromUTF8(packet.m_text));
 
 		if(!DbgConsole::IsShown()) Show();
 	}
diff --git a/rpcs3/Emu/DbgConsole.h b/rpcs3/Emu/DbgConsole.h
index 31f3d69038..d432a4cbf2 100644
--- a/rpcs3/Emu/DbgConsole.h
+++ b/rpcs3/Emu/DbgConsole.h
@@ -3,9 +3,9 @@
 struct DbgPacket
 {
 	int m_ch;
-	wxString m_text;
+	std::string m_text;
 
-	DbgPacket(int ch, const wxString& text)
+	DbgPacket(int ch, const std::string& text)
 		: m_ch(ch)
 		, m_text(text)
 	{
@@ -17,7 +17,7 @@ struct DbgPacket
 
 	void Clear()
 	{
-		m_text.Clear();
+		m_text.clear();
 	}
 };
 
@@ -29,7 +29,7 @@ struct _DbgBuffer : public MTPacketBuffer<DbgPacket>
 
 	void _push(const DbgPacket& data)
 	{
-		const u32 stext = data.m_text.Len();
+		const u32 stext = data.m_text.length();
 
 		m_buffer.Reserve(sizeof(int) + sizeof(u32) + stext);
 
@@ -40,7 +40,7 @@ struct _DbgBuffer : public MTPacketBuffer<DbgPacket>
 
 		memcpy(&m_buffer[c_put], &stext, sizeof(u32));
 		c_put += sizeof(u32);
-		memcpy(&m_buffer[c_put], static_cast<const char *>(data.m_text), stext);
+		memcpy(&m_buffer[c_put], data.m_text.data(), stext);
 		c_put += stext;
 
 		m_put = c_put;
@@ -58,7 +58,7 @@ struct _DbgBuffer : public MTPacketBuffer<DbgPacket>
 
 		const u32& stext = *(u32*)&m_buffer[c_get];
 		c_get += sizeof(u32);
-		if (stext) ret.m_text = wxString(reinterpret_cast<const char*>(&m_buffer[c_get]), stext );
+		if (stext) ret.m_text = std::string(reinterpret_cast<const char*>(&m_buffer[c_get]), stext );
 		c_get += stext;
 
 		m_get = c_get;
@@ -81,7 +81,7 @@ class DbgConsole
 public:
 	DbgConsole();
 	~DbgConsole();
-	void Write(int ch, const wxString& text);
+	void Write(int ch, const std::string& text);
 	void Clear();
 	virtual void Task();
 
diff --git a/rpcs3/Emu/FS/VFS.cpp b/rpcs3/Emu/FS/VFS.cpp
index 38ee1197b8..ee49e89f53 100644
--- a/rpcs3/Emu/FS/VFS.cpp
+++ b/rpcs3/Emu/FS/VFS.cpp
@@ -8,13 +8,13 @@ int sort_devices(const void* _a, const void* _b)
 	const vfsDevice& a =  **(const vfsDevice**)_a;
 	const vfsDevice& b =  **(const vfsDevice**)_b;
 
-	if(a.GetPs3Path().Len() > b.GetPs3Path().Len()) return  1;
-	if(a.GetPs3Path().Len() < b.GetPs3Path().Len()) return -1;
+	if(a.GetPs3Path().length() > b.GetPs3Path().length()) return  1;
+	if(a.GetPs3Path().length() < b.GetPs3Path().length()) return -1;
 
 	return 0;
 }
 
-void VFS::Mount(const wxString& ps3_path, const wxString& local_path, vfsDevice* device)
+void VFS::Mount(const std::string& ps3_path, const std::string& local_path, vfsDevice* device)
 {
 	UnMount(ps3_path);
 
@@ -27,11 +27,11 @@ void VFS::Mount(const wxString& ps3_path, const wxString& local_path, vfsDevice*
 	}
 }
 
-void VFS::UnMount(const wxString& ps3_path)
+void VFS::UnMount(const std::string& ps3_path)
 {
 	for(u32 i=0; i<m_devices.GetCount(); ++i)
 	{
-		if(!m_devices[i].GetPs3Path().Cmp(ps3_path))
+		if(!m_devices[i].GetPs3Path().compare(ps3_path))
 		{
 			delete &m_devices[i];
 			m_devices.RemoveFAt(i);
@@ -50,9 +50,9 @@ void VFS::UnMountAll()
 	}
 }
 
-vfsFileBase* VFS::OpenFile(const wxString& ps3_path, vfsOpenMode mode) const
+vfsFileBase* VFS::OpenFile(const std::string& ps3_path, vfsOpenMode mode) const
 {
-	wxString path;
+	std::string path;
 	if(vfsDevice* dev = GetDevice(ps3_path, path))
 	{
 		if(vfsFileBase* res = dev->GetNewFileStream())
@@ -65,9 +65,9 @@ vfsFileBase* VFS::OpenFile(const wxString& ps3_path, vfsOpenMode mode) const
 	return nullptr;
 }
 
-vfsDirBase* VFS::OpenDir(const wxString& ps3_path) const
+vfsDirBase* VFS::OpenDir(const std::string& ps3_path) const
 {
-	wxString path;
+	std::string path;
 
 	if(vfsDevice* dev = GetDevice(ps3_path, path))
 	{
@@ -81,9 +81,9 @@ vfsDirBase* VFS::OpenDir(const wxString& ps3_path) const
 	return nullptr;
 }
 
-bool VFS::CreateFile(const wxString& ps3_path) const
+bool VFS::CreateFile(const std::string& ps3_path) const
 {
-	wxString path;
+	std::string path;
 	if(vfsDevice* dev = GetDevice(ps3_path, path))
 	{
 		std::shared_ptr<vfsFileBase> res(dev->GetNewFileStream());
@@ -97,9 +97,9 @@ bool VFS::CreateFile(const wxString& ps3_path) const
 	return false;
 }
 
-bool VFS::CreateDir(const wxString& ps3_path) const
+bool VFS::CreateDir(const std::string& ps3_path) const
 {
-	wxString path;
+	std::string path;
 	if(vfsDevice* dev = GetDevice(ps3_path, path))
 	{
 		std::shared_ptr<vfsDirBase> res(dev->GetNewDirStream());
@@ -113,9 +113,9 @@ bool VFS::CreateDir(const wxString& ps3_path) const
 	return false;
 }
 
-bool VFS::RemoveFile(const wxString& ps3_path) const
+bool VFS::RemoveFile(const std::string& ps3_path) const
 {
-	wxString path;
+	std::string path;
 	if(vfsDevice* dev = GetDevice(ps3_path, path))
 	{
 		std::shared_ptr<vfsFileBase> res(dev->GetNewFileStream());
@@ -129,9 +129,9 @@ bool VFS::RemoveFile(const wxString& ps3_path) const
 	return false;
 }
 
-bool VFS::RemoveDir(const wxString& ps3_path) const
+bool VFS::RemoveDir(const std::string& ps3_path) const
 {
-	wxString path;
+	std::string path;
 	if(vfsDevice* dev = GetDevice(ps3_path, path))
 	{
 		std::shared_ptr<vfsDirBase> res(dev->GetNewDirStream());
@@ -145,9 +145,9 @@ bool VFS::RemoveDir(const wxString& ps3_path) const
 	return false;
 }
 
-bool VFS::ExistsFile(const wxString& ps3_path) const
+bool VFS::ExistsFile(const std::string& ps3_path) const
 {
-	wxString path;
+	std::string path;
 	if(vfsDevice* dev = GetDevice(ps3_path, path))
 	{
 		std::shared_ptr<vfsFileBase> res(dev->GetNewFileStream());
@@ -161,9 +161,9 @@ bool VFS::ExistsFile(const wxString& ps3_path) const
 	return false;
 }
 
-bool VFS::ExistsDir(const wxString& ps3_path) const
+bool VFS::ExistsDir(const std::string& ps3_path) const
 {
-	wxString path;
+	std::string path;
 	if(vfsDevice* dev = GetDevice(ps3_path, path))
 	{
 		std::shared_ptr<vfsDirBase> res(dev->GetNewDirStream());
@@ -177,9 +177,9 @@ bool VFS::ExistsDir(const wxString& ps3_path) const
 	return false;
 }
 
-bool VFS::RenameFile(const wxString& ps3_path_from, const wxString& ps3_path_to) const
+bool VFS::RenameFile(const std::string& ps3_path_from, const std::string& ps3_path_to) const
 {
-	wxString path;
+	std::string path;
 	if(vfsDevice* dev = GetDevice(ps3_path_from, path))
 	{
 		std::shared_ptr<vfsFileBase> res(dev->GetNewFileStream());
@@ -193,9 +193,9 @@ bool VFS::RenameFile(const wxString& ps3_path_from, const wxString& ps3_path_to)
 	return false;
 }
 
-bool VFS::RenameDir(const wxString& ps3_path_from, const wxString& ps3_path_to) const
+bool VFS::RenameDir(const std::string& ps3_path_from, const std::string& ps3_path_to) const
 {
-	wxString path;
+	std::string path;
 	if(vfsDevice* dev = GetDevice(ps3_path_from, path))
 	{
 		std::shared_ptr<vfsDirBase> res(dev->GetNewDirStream());
@@ -209,7 +209,7 @@ bool VFS::RenameDir(const wxString& ps3_path_from, const wxString& ps3_path_to)
 	return false;
 }
 
-vfsDevice* VFS::GetDevice(const wxString& ps3_path, wxString& path) const
+vfsDevice* VFS::GetDevice(const std::string& ps3_path, std::string& path) const
 {
 	u32 max_eq;
 	s32 max_i=-1;
@@ -226,18 +226,18 @@ vfsDevice* VFS::GetDevice(const wxString& ps3_path, wxString& path) const
 	}
 
 	if(max_i < 0) return nullptr;
-	path = vfsDevice::GetWinPath(m_devices[max_i].GetLocalPath(), ps3_path(max_eq, ps3_path.Len() - max_eq));
+	path = vfsDevice::GetWinPath(m_devices[max_i].GetLocalPath(), ps3_path.substr(max_eq, ps3_path.length() - max_eq));
 	return &m_devices[max_i];
 }
 
-vfsDevice* VFS::GetDeviceLocal(const wxString& local_path, wxString& path) const
+vfsDevice* VFS::GetDeviceLocal(const std::string& local_path, std::string& path) const
 {
 	u32 max_eq;
 	s32 max_i=-1;
 
-	wxFileName file_path(local_path);
+	wxFileName file_path(fmt::FromUTF8(local_path));
 	file_path.Normalize();
-	wxString mormalized_path = file_path.GetFullPath();
+	std::string mormalized_path = fmt::ToUTF8(file_path.GetFullPath());
 
 	for(u32 i=0; i<m_devices.GetCount(); ++i)
 	{
@@ -252,11 +252,11 @@ vfsDevice* VFS::GetDeviceLocal(const wxString& local_path, wxString& path) const
 
 	if(max_i < 0) return nullptr;
 
-	path = vfsDevice::GetPs3Path(m_devices[max_i].GetPs3Path(), local_path(max_eq, local_path.Len() - max_eq));
+	path = vfsDevice::GetPs3Path(m_devices[max_i].GetPs3Path(), local_path.substr(max_eq, local_path.length() - max_eq));
 	return &m_devices[max_i];
 }
 
-void VFS::Init(const wxString& path)
+void VFS::Init(const std::string& path)
 {
 	UnMountAll();
 
@@ -283,8 +283,8 @@ void VFS::Init(const wxString& path)
 		
 		wxString mpath = entry.path;
 		mpath.Replace("$(EmulatorDir)", wxGetCwd());
-		mpath.Replace("$(GameDir)", vfsDevice::GetRoot(path));
-		Mount(entry.mount, mpath, dev);
+		mpath.Replace("$(GameDir)", fmt::FromUTF8(vfsDevice::GetRoot(path)));
+		Mount(entry.mount, fmt::ToUTF8(mpath), dev);
 	}
 }
 
@@ -323,22 +323,22 @@ void VFS::SaveLoadDevices(std::vector<VFSManagerEntry>& res, bool is_load)
 
 	for(int i=0; i<count; ++i)
 	{
-		IniEntry<wxString> entry_path;
-		IniEntry<wxString> entry_device_path;
-		IniEntry<wxString> entry_mount;
+		IniEntry<std::string> entry_path;
+		IniEntry<std::string> entry_device_path;
+		IniEntry<std::string> entry_mount;
 		IniEntry<int> entry_device;
 
-		entry_path.Init(wxString::Format("path[%d]", i), "VFSManager");
-		entry_device_path.Init(wxString::Format("device_path[%d]", i), "VFSManager");
-		entry_mount.Init(wxString::Format("mount[%d]", i), "VFSManager");
-		entry_device.Init(wxString::Format("device[%d]", i), "VFSManager");
+		entry_path.Init(fmt::Format("path[%d]", i), "VFSManager");
+		entry_device_path.Init(fmt::Format("device_path[%d]", i), "VFSManager");
+		entry_mount.Init(fmt::Format("mount[%d]", i), "VFSManager");
+		entry_device.Init(fmt::Format("device[%d]", i), "VFSManager");
 		
 		if(is_load)
 		{
 			res[i] = VFSManagerEntry();
-			res[i].path = strdup(entry_path.LoadValue(wxEmptyString).c_str());
-			res[i].device_path = strdup(entry_device_path.LoadValue(wxEmptyString).c_str());
-			res[i].mount = strdup(entry_mount.LoadValue(wxEmptyString).c_str());
+			res[i].path = entry_path.LoadValue("");
+			res[i].device_path = entry_device_path.LoadValue("");
+			res[i].mount = entry_mount.LoadValue("");
 			res[i].device = (vfsDeviceType)entry_device.LoadValue(vfsDevice_LocalFile);
 		}
 		else
diff --git a/rpcs3/Emu/FS/VFS.h b/rpcs3/Emu/FS/VFS.h
index f624ba6892..f88a8321e0 100644
--- a/rpcs3/Emu/FS/VFS.h
+++ b/rpcs3/Emu/FS/VFS.h
@@ -17,9 +17,9 @@ static const char* vfsDeviceTypeNames[] =
 struct VFSManagerEntry
 {
 	vfsDeviceType device;
-	const char* device_path;
-	const char* path;
-	const char* mount;
+	std::string device_path;
+	std::string path;
+	std::string mount;
 
 	VFSManagerEntry()
 		: device(vfsDevice_LocalFile)
@@ -29,7 +29,7 @@ struct VFSManagerEntry
 	{
 	}
 
-	VFSManagerEntry(const vfsDeviceType& device, const char* path, const char* mount)
+	VFSManagerEntry(const vfsDeviceType& device, const std::string& path, const std::string& mount)
 		: device(device)
 		, device_path("")
 		, path(path)
@@ -42,24 +42,24 @@ struct VFSManagerEntry
 struct VFS
 {
 	ArrayF<vfsDevice> m_devices;
-	void Mount(const wxString& ps3_path, const wxString& local_path, vfsDevice* device);
-	void UnMount(const wxString& ps3_path);
+	void Mount(const std::string& ps3_path, const std::string& local_path, vfsDevice* device);
+	void UnMount(const std::string& ps3_path);
 	void UnMountAll();
 
-	vfsFileBase* OpenFile(const wxString& ps3_path, vfsOpenMode mode) const;
-	vfsDirBase* OpenDir(const wxString& ps3_path) const;
-	bool CreateFile(const wxString& ps3_path) const;
-	bool CreateDir(const wxString& ps3_path) const;
-	bool RemoveFile(const wxString& ps3_path) const;
-	bool RemoveDir(const wxString& ps3_path) const;
-	bool ExistsFile(const wxString& ps3_path) const;
-	bool ExistsDir(const wxString& ps3_path) const;
-	bool RenameFile(const wxString& ps3_path_from, const wxString& ps3_path_to) const;
-	bool RenameDir(const wxString& ps3_path_from, const wxString& ps3_path_to) const;
+	vfsFileBase* OpenFile(const std::string& ps3_path, vfsOpenMode mode) const;
+	vfsDirBase* OpenDir(const std::string& ps3_path) const;
+	bool CreateFile(const std::string& ps3_path) const;
+	bool CreateDir(const std::string& ps3_path) const;
+	bool RemoveFile(const std::string& ps3_path) const;
+	bool RemoveDir(const std::string& ps3_path) const;
+	bool ExistsFile(const std::string& ps3_path) const;
+	bool ExistsDir(const std::string& ps3_path) const;
+	bool RenameFile(const std::string& ps3_path_from, const std::string& ps3_path_to) const;
+	bool RenameDir(const std::string& ps3_path_from, const std::string& ps3_path_to) const;
 
-	vfsDevice* GetDevice(const wxString& ps3_path, wxString& path) const;
-	vfsDevice* GetDeviceLocal(const wxString& local_path, wxString& path) const;
+	vfsDevice* GetDevice(const std::string& ps3_path, std::string& path) const;
+	vfsDevice* GetDeviceLocal(const std::string& local_path, std::string& path) const;
 
-	void Init(const wxString& path);
+	void Init(const std::string& path);
 	void SaveLoadDevices(std::vector<VFSManagerEntry>& res, bool is_load);
 };
\ No newline at end of file
diff --git a/rpcs3/Emu/FS/vfsDevice.cpp b/rpcs3/Emu/FS/vfsDevice.cpp
index d6af3341a7..e1f2ac8cdf 100644
--- a/rpcs3/Emu/FS/vfsDevice.cpp
+++ b/rpcs3/Emu/FS/vfsDevice.cpp
@@ -1,31 +1,31 @@
 #include "stdafx.h"
 #include "vfsDevice.h"
 
-vfsDevice::vfsDevice(const wxString& ps3_path, const wxString& local_path)
+vfsDevice::vfsDevice(const std::string& ps3_path, const std::string& local_path)
 	: m_ps3_path(ps3_path)
 	, m_local_path(GetWinPath(local_path))
 {
 }
 
-wxString vfsDevice::GetLocalPath() const
+std::string vfsDevice::GetLocalPath() const
 {
 	return m_local_path;
 }
 
-wxString vfsDevice::GetPs3Path() const
+std::string vfsDevice::GetPs3Path() const
 {
 	return m_ps3_path;
 }
 
-void vfsDevice::SetPath(const wxString& ps3_path, const wxString& local_path)
+void vfsDevice::SetPath(const std::string& ps3_path, const std::string& local_path)
 {
 	m_ps3_path = ps3_path;
 	m_local_path = local_path;
 }
 
-u32 vfsDevice::CmpPs3Path(const wxString& ps3_path)
+u32 vfsDevice::CmpPs3Path(const std::string& ps3_path)
 {
-	const u32 lim = min(m_ps3_path.Len(), ps3_path.Len());
+	const u32 lim = min(m_ps3_path.length(), ps3_path.length());
 	u32 ret = 0;
 
 	for(u32 i=0; i<lim; ++i, ++ret)
@@ -40,12 +40,12 @@ u32 vfsDevice::CmpPs3Path(const wxString& ps3_path)
 	return ret;
 }
 
-u32 vfsDevice::CmpLocalPath(const wxString& local_path)
+u32 vfsDevice::CmpLocalPath(const std::string& local_path)
 {
-	if(local_path.Len() < m_local_path.Len())
+	if(local_path.length() < m_local_path.length())
 		return 0;
 
-	wxFileName path0(m_local_path);
+	wxFileName path0(fmt::FromUTF8(m_local_path));
 	path0.Normalize();
 
 #ifdef _WIN32
@@ -55,7 +55,7 @@ u32 vfsDevice::CmpLocalPath(const wxString& local_path)
 #endif
 
 	wxArrayString arr0 = wxSplit(path0.GetFullPath(), DL);
-	wxArrayString arr1 = wxSplit(local_path, DL);
+	wxArrayString arr1 = wxSplit(fmt::FromUTF8(local_path), DL);
 
 	const u32 lim = min(arr0.GetCount(), arr1.GetCount());
 	u32 ret = 0;
@@ -71,14 +71,14 @@ u32 vfsDevice::CmpLocalPath(const wxString& local_path)
 	return ret;
 }
 
-wxString vfsDevice::ErasePath(const wxString& path, u32 start_dir_count, u32 end_dir_count)
+std::string vfsDevice::ErasePath(const std::string& path, u32 start_dir_count, u32 end_dir_count)
 {
 	u32 from = 0;
-	u32 to = path.Len() - 1;
+	u32 to = path.length() - 1;
 
-	for(uint i = 0, dir = 0; i < path.Len(); ++i)
+	for(uint i = 0, dir = 0; i < path.length(); ++i)
 	{
-		if(path[i] == '\\' || path[i] == '/' || i == path.Len() - 1)
+		if(path[i] == '\\' || path[i] == '/' || i == path.length() - 1)
 		{
 			if(++dir == start_dir_count)
 			{
@@ -88,7 +88,7 @@ wxString vfsDevice::ErasePath(const wxString& path, u32 start_dir_count, u32 end
 		}
 	}
 
-	for(int i = path.Len() - 1, dir = 0; i >= 0; --i)
+	for(int i = path.length() - 1, dir = 0; i >= 0; --i)
 	{
 		if(path[i] == '\\' || path[i] == '/' || i == 0)
 		{
@@ -100,17 +100,17 @@ wxString vfsDevice::ErasePath(const wxString& path, u32 start_dir_count, u32 end
 		}
 	}
 
-	return path(from, to - from);
+	return path.substr(from, to - from);
 }
 
-wxString vfsDevice::GetRoot(const wxString& path)
+std::string vfsDevice::GetRoot(const std::string& path)
 {
-	//return wxFileName(path, wxPATH_UNIX).GetPath();
-	if(path.IsEmpty()) return wxEmptyString;
+	//return fmt::ToUTF8(wxFileName(fmt::FromUTF8(path), wxPATH_UNIX).GetPath());
+	if(path.empty()) return "";
 
-	u32 first_dir = path.Len() - 1;
+	u32 first_dir = path.length() - 1;
 
-	for(int i = path.Len() - 1, dir = 0, li = path.Len() - 1; i >= 0 && dir < 2; --i)
+	for(int i = path.length() - 1, dir = 0, li = path.length() - 1; i >= 0 && dir < 2; --i)
 	{
 		if(path[i] == '\\' || path[i] == '/' || i == 0)
 		{
@@ -121,7 +121,7 @@ wxString vfsDevice::GetRoot(const wxString& path)
 			break;
 
 			case 1:
-				if(!path(i + 1, li - i).Cmp("USRDIR")) return path(0, i + 1);
+				if(!path.substr(i + 1, li - i).compare("USRDIR")) return path.substr(0, i + 1);
 			continue;
 			}
 			
@@ -129,46 +129,46 @@ wxString vfsDevice::GetRoot(const wxString& path)
 		}
 	}
 
-	return path(0, first_dir + 1);
+	return path.substr(0, first_dir + 1);
 }
 
-wxString vfsDevice::GetRootPs3(const wxString& path)
+std::string vfsDevice::GetRootPs3(const std::string& path)
 {
-	if(path.IsEmpty()) return wxEmptyString;
+	if(path.empty()) return "";
 
-	static const wxString& home = "/dev_hdd0/game/";
+	static const std::string home = "/dev_hdd0/game/";
 	u32 last_dir = 0;
-	u32 first_dir = path.Len() - 1;
+	u32 first_dir = path.length() - 1;
 
-	for(int i = path.Len() - 1, dir = 0; i >= 0; --i)
+	for(int i = path.length() - 1, dir = 0; i >= 0; --i)
 	{
 		if(path[i] == '\\' || path[i] == '/' || i == 0)
 		{
 			switch(dir++)
 			{
 			case 1:
-				if(!!path(i + 1, last_dir - i - 1).Cmp("USRDIR")) return wxEmptyString;
+				if(path.substr(i + 1, last_dir - i - 1) == "USRDIR") return "";
 			break;
 
 			case 2:
-				return GetPs3Path(home + path(i + 1, last_dir - i - 1));
+				return GetPs3Path(home + path.substr(i + 1, last_dir - i - 1));
 			}
 
 			last_dir = i;
 		}
 	}
 
-	return GetPs3Path(home + path(0, last_dir - 1));
+	return GetPs3Path(home + path.substr(0, last_dir - 1));
 }
 
-wxString vfsDevice::GetWinPath(const wxString& p, bool is_dir)
+std::string vfsDevice::GetWinPath(const std::string& p, bool is_dir)
 {
-	if(p.IsEmpty()) return wxEmptyString;
+	if(p.empty()) return "";
 
-	wxString ret;
+	std::string ret;
 	bool is_ls = false;
 
-	for(u32 i=0; i<p.Len(); ++i)
+	for(u32 i=0; i<p.length(); ++i)
 	{
 		if(p[i] == '/' || p[i] == '\\')
 		{
@@ -185,29 +185,29 @@ wxString vfsDevice::GetWinPath(const wxString& p, bool is_dir)
 		ret += p[i];
 	}
 
-	if(is_dir && ret[ret.Len() - 1] != '/' && ret[ret.Len() - 1] != '\\') ret += '/'; // ???
+	if(is_dir && ret[ret.length() - 1] != '/' && ret[ret.length() - 1] != '\\') ret += '/'; // ???
 
-	wxFileName res(ret);
+	wxFileName res(fmt::FromUTF8(ret));
 	res.Normalize();
-	return res.GetFullPath();
+	return fmt::ToUTF8(res.GetFullPath());
 }
 
-wxString vfsDevice::GetWinPath(const wxString& l, const wxString& r)
+std::string vfsDevice::GetWinPath(const std::string& l, const std::string& r)
 {
-	if(l.IsEmpty()) return GetWinPath(r, false);
-	if(r.IsEmpty()) return GetWinPath(l);
+	if(l.empty()) return GetWinPath(r, false);
+	if(r.empty()) return GetWinPath(l);
 
 	return GetWinPath(l + '/' + r, false);
 }
 
-wxString vfsDevice::GetPs3Path(const wxString& p, bool is_dir)
+std::string vfsDevice::GetPs3Path(const std::string& p, bool is_dir)
 {
-	if(p.IsEmpty()) return wxEmptyString;
+	if(p.empty()) return "";
 
-	wxString ret;
+	std::string ret;
 	bool is_ls = false;
 
-	for(u32 i=0; i<p.Len(); ++i)
+	for(u32 i=0; i<p.length(); ++i)
 	{
 		if(p[i] == L'/' || p[i] == L'\\')
 		{
@@ -225,15 +225,15 @@ wxString vfsDevice::GetPs3Path(const wxString& p, bool is_dir)
 	}
 
 	if(ret[0] != '/') ret = '/' + ret;
-	if(is_dir && ret[ret.Len() - 1] != '/') ret += '/';
+	if(is_dir && ret[ret.length() - 1] != '/') ret += '/';
 
 	return ret;
 }
 
-wxString vfsDevice::GetPs3Path(const wxString& l, const wxString& r)
+std::string vfsDevice::GetPs3Path(const std::string& l, const std::string& r)
 {
-	if(l.IsEmpty()) return GetPs3Path(r, false);
-	if(r.IsEmpty()) return GetPs3Path(l);
+	if(l.empty()) return GetPs3Path(r, false);
+	if(r.empty()) return GetPs3Path(l);
 
 	return GetPs3Path(l + '/' + r, false);
 }
diff --git a/rpcs3/Emu/FS/vfsDevice.h b/rpcs3/Emu/FS/vfsDevice.h
index 76a9bee378..2be4c108ff 100644
--- a/rpcs3/Emu/FS/vfsDevice.h
+++ b/rpcs3/Emu/FS/vfsDevice.h
@@ -4,32 +4,32 @@
 
 class vfsDevice
 {
-	wxString m_ps3_path;
-	wxString m_local_path;
+	std::string m_ps3_path;
+	std::string m_local_path;
 	mutable std::mutex m_mtx_lock;
 
 public:
-	vfsDevice(const wxString& ps3_path, const wxString& local_path);
+	vfsDevice(const std::string& ps3_path, const std::string& local_path);
 	vfsDevice() {}
 
 	virtual vfsFileBase* GetNewFileStream()=0;
 	virtual vfsDirBase* GetNewDirStream()=0;
 
-	wxString GetLocalPath() const;
-	wxString GetPs3Path() const;
+	std::string GetLocalPath() const;
+	std::string GetPs3Path() const;
 
-	void SetPath(const wxString& ps3_path, const wxString& local_path);
+	void SetPath(const std::string& ps3_path, const std::string& local_path);
 
-	u32 CmpPs3Path(const wxString& ps3_path);
-	u32 CmpLocalPath(const wxString& local_path);
+	u32 CmpPs3Path(const std::string& ps3_path);
+	u32 CmpLocalPath(const std::string& local_path);
 
-	static wxString ErasePath(const wxString& local_path, u32 start_dir_count, u32 end_dir_count);
-	static wxString GetRoot(const wxString& local_path);
-	static wxString GetRootPs3(const wxString& local_path);
-	static wxString GetWinPath(const wxString& p, bool is_dir = true);
-	static wxString GetWinPath(const wxString& l, const wxString& r);
-	static wxString GetPs3Path(const wxString& p, bool is_dir = true);
-	static wxString GetPs3Path(const wxString& l, const wxString& r);
+	static std::string ErasePath(const std::string& local_path, u32 start_dir_count, u32 end_dir_count);
+	static std::string GetRoot(const std::string& local_path);
+	static std::string GetRootPs3(const std::string& local_path);
+	static std::string GetWinPath(const std::string& p, bool is_dir = true);
+	static std::string GetWinPath(const std::string& l, const std::string& r);
+	static std::string GetPs3Path(const std::string& p, bool is_dir = true);
+	static std::string GetPs3Path(const std::string& l, const std::string& r);
 
 	void Lock() const;
 	void Unlock() const;
diff --git a/rpcs3/Emu/FS/vfsDir.cpp b/rpcs3/Emu/FS/vfsDir.cpp
index 8fcb8d4bde..e4989afa4a 100644
--- a/rpcs3/Emu/FS/vfsDir.cpp
+++ b/rpcs3/Emu/FS/vfsDir.cpp
@@ -7,14 +7,14 @@ vfsDir::vfsDir()
 {
 }
 
-vfsDir::vfsDir(const wxString path)
+vfsDir::vfsDir(const std::string& path)
 	: vfsDirBase(nullptr)
 	, m_stream(nullptr)
 {
 	Open(path);
 }
 
-bool vfsDir::Open(const wxString& path)
+bool vfsDir::Open(const std::string& path)
 {
 	Close();
 
@@ -23,12 +23,12 @@ bool vfsDir::Open(const wxString& path)
 	return m_stream && m_stream->IsOpened();
 }
 
-bool vfsDir::Create(const wxString& path)
+bool vfsDir::Create(const std::string& path)
 {
 	return m_stream->Create(path);
 }
 
-bool vfsDir::IsExists(const wxString& path) const
+bool vfsDir::IsExists(const std::string& path) const
 {
 	return m_stream->IsExists(path); // Crash (Access violation reading location 0x0000000000000000)
 }
@@ -38,12 +38,12 @@ const Array<DirEntryInfo>& vfsDir::GetEntries() const
 	return m_stream->GetEntries();
 }
 
-bool vfsDir::Rename(const wxString& from, const wxString& to)
+bool vfsDir::Rename(const std::string& from, const std::string& to)
 {
 	return m_stream->Rename(from, to);
 }
 
-bool vfsDir::Remove(const wxString& path)
+bool vfsDir::Remove(const std::string& path)
 {
 	return m_stream->Remove(path);
 }
@@ -58,7 +58,7 @@ void vfsDir::Close()
 	m_stream.reset();
 }
 
-wxString vfsDir::GetPath() const
+std::string vfsDir::GetPath() const
 {
 	return m_stream->GetPath();
 }
diff --git a/rpcs3/Emu/FS/vfsDir.h b/rpcs3/Emu/FS/vfsDir.h
index 531403c854..3db6d11388 100644
--- a/rpcs3/Emu/FS/vfsDir.h
+++ b/rpcs3/Emu/FS/vfsDir.h
@@ -8,18 +8,18 @@ private:
 
 public:
 	vfsDir();
-	vfsDir(const wxString path);
+	vfsDir(const std::string& path);
 
-	virtual bool Open(const wxString& path) override;
+	virtual bool Open(const std::string& path) override;
 	virtual bool IsOpened() const override;
-	virtual bool IsExists(const wxString& path) const override;
+	virtual bool IsExists(const std::string& path) const override;
 	virtual const Array<DirEntryInfo>& GetEntries() const override;
 	virtual void Close() override;
-	virtual wxString GetPath() const override;
+	virtual std::string GetPath() const override;
 
-	virtual bool Create(const wxString& path) override;
+	virtual bool Create(const std::string& path) override;
 	//virtual bool Create(const DirEntryInfo& info) override;
-	virtual bool Rename(const wxString& from, const wxString& to) override;
-	virtual bool Remove(const wxString& path) override;
+	virtual bool Rename(const std::string& from, const std::string& to) override;
+	virtual bool Remove(const std::string& path) override;
 	virtual const DirEntryInfo* Read() override;
 };
\ No newline at end of file
diff --git a/rpcs3/Emu/FS/vfsDirBase.cpp b/rpcs3/Emu/FS/vfsDirBase.cpp
index 365d1effb6..6589c8b070 100644
--- a/rpcs3/Emu/FS/vfsDirBase.cpp
+++ b/rpcs3/Emu/FS/vfsDirBase.cpp
@@ -11,7 +11,7 @@ vfsDirBase::~vfsDirBase()
 {
 }
 
-bool vfsDirBase::Open(const wxString& path)
+bool vfsDirBase::Open(const std::string& path)
 {
 	if(IsOpened())
 		Close();
@@ -26,12 +26,12 @@ bool vfsDirBase::Open(const wxString& path)
 
 bool vfsDirBase::IsOpened() const
 {
-	return !m_cwd.IsEmpty();
+	return !m_cwd.empty();
 }
 
-bool vfsDirBase::IsExists(const wxString& path) const
+bool vfsDirBase::IsExists(const std::string& path) const
 {
-	return wxDirExists(path);
+	return wxDirExists(fmt::FromUTF8(path));
 }
 
 const Array<DirEntryInfo>& vfsDirBase::GetEntries() const
@@ -41,11 +41,11 @@ const Array<DirEntryInfo>& vfsDirBase::GetEntries() const
 
 void vfsDirBase::Close()
 {
-	m_cwd = wxEmptyString;
+	m_cwd = "";
 	m_entries.Clear();
 }
 
-wxString vfsDirBase::GetPath() const
+std::string vfsDirBase::GetPath() const
 {
 	return m_cwd;
 }
diff --git a/rpcs3/Emu/FS/vfsDirBase.h b/rpcs3/Emu/FS/vfsDirBase.h
index b6af8e1b62..00549c8e64 100644
--- a/rpcs3/Emu/FS/vfsDirBase.h
+++ b/rpcs3/Emu/FS/vfsDirBase.h
@@ -12,7 +12,7 @@ enum DirEntryFlags
 
 struct DirEntryInfo
 {
-	wxString name;
+	std::string name;
 	u32 flags;
 	time_t create_time;
 	time_t access_time;
@@ -30,7 +30,7 @@ struct DirEntryInfo
 class vfsDirBase
 {
 protected:
-	wxString m_cwd;
+	std::string m_cwd;
 	Array<DirEntryInfo> m_entries;
 	uint m_pos;
 	vfsDevice* m_device;
@@ -39,16 +39,16 @@ public:
 	vfsDirBase(vfsDevice* device);
 	virtual ~vfsDirBase();
 
-	virtual bool Open(const wxString& path);
+	virtual bool Open(const std::string& path);
 	virtual bool IsOpened() const;
-	virtual bool IsExists(const wxString& path) const;
+	virtual bool IsExists(const std::string& path) const;
 	virtual const Array<DirEntryInfo>& GetEntries() const;
 	virtual void Close();
-	virtual wxString GetPath() const;
+	virtual std::string GetPath() const;
 
-	virtual bool Create(const wxString& path)=0;
+	virtual bool Create(const std::string& path) = 0;
 	//virtual bool Create(const DirEntryInfo& info)=0;
-	virtual bool Rename(const wxString& from, const wxString& to)=0;
-	virtual bool Remove(const wxString& path)=0;
+	virtual bool Rename(const std::string& from, const std::string& to) = 0;
+	virtual bool Remove(const std::string& path) = 0;
 	virtual const DirEntryInfo* Read();
 };
\ No newline at end of file
diff --git a/rpcs3/Emu/FS/vfsFile.cpp b/rpcs3/Emu/FS/vfsFile.cpp
index 924b4a80ee..96bcbdd483 100644
--- a/rpcs3/Emu/FS/vfsFile.cpp
+++ b/rpcs3/Emu/FS/vfsFile.cpp
@@ -7,14 +7,14 @@ vfsFile::vfsFile()
 {
 }
 
-vfsFile::vfsFile(const wxString path, vfsOpenMode mode)
+vfsFile::vfsFile(const std::string& path, vfsOpenMode mode)
 	: vfsFileBase(nullptr)
 	, m_stream(nullptr)
 {
 	Open(path, mode);
 }
 
-bool vfsFile::Open(const wxString& path, vfsOpenMode mode)
+bool vfsFile::Open(const std::string& path, vfsOpenMode mode)
 {
 	Close();
 
@@ -23,22 +23,22 @@ bool vfsFile::Open(const wxString& path, vfsOpenMode mode)
 	return m_stream && m_stream->IsOpened();
 }
 
-bool vfsFile::Create(const wxString& path)
+bool vfsFile::Create(const std::string& path)
 {
 	return m_stream->Create(path);
 }
 
-bool vfsFile::Exists(const wxString& path)
+bool vfsFile::Exists(const std::string& path)
 {
 	return m_stream->Exists(path);
 }
 
-bool vfsFile::Rename(const wxString& from, const wxString& to)
+bool vfsFile::Rename(const std::string& from, const std::string& to)
 {
 	return m_stream->Rename(from, to);
 }
 
-bool vfsFile::Remove(const wxString& path)
+bool vfsFile::Remove(const std::string& path)
 {
 	return m_stream->Remove(path);
 }
diff --git a/rpcs3/Emu/FS/vfsFile.h b/rpcs3/Emu/FS/vfsFile.h
index 3b2fd102fd..4ab9ddc87d 100644
--- a/rpcs3/Emu/FS/vfsFile.h
+++ b/rpcs3/Emu/FS/vfsFile.h
@@ -8,13 +8,13 @@ private:
 
 public:
 	vfsFile();
-	vfsFile(const wxString path, vfsOpenMode mode = vfsRead);
+	vfsFile(const std::string& path, vfsOpenMode mode = vfsRead);
 
-	virtual bool Open(const wxString& path, vfsOpenMode mode = vfsRead) override;
-	virtual bool Create(const wxString& path) override;
-	virtual bool Exists(const wxString& path) override;
-	virtual bool Rename(const wxString& from, const wxString& to) override;
-	virtual bool Remove(const wxString& path) override;
+	virtual bool Open(const std::string& path, vfsOpenMode mode = vfsRead) override;
+	virtual bool Create(const std::string& path) override;
+	virtual bool Exists(const std::string& path) override;
+	virtual bool Rename(const std::string& from, const std::string& to) override;
+	virtual bool Remove(const std::string& path) override;
 	virtual bool Close() override;
 
 	virtual u64 GetSize() override;
diff --git a/rpcs3/Emu/FS/vfsFileBase.cpp b/rpcs3/Emu/FS/vfsFileBase.cpp
index 9209bb4619..1cbed18a2c 100644
--- a/rpcs3/Emu/FS/vfsFileBase.cpp
+++ b/rpcs3/Emu/FS/vfsFileBase.cpp
@@ -12,12 +12,12 @@ vfsFileBase::~vfsFileBase()
 	Close();
 }
 
-bool Access(const wxString& path, vfsOpenMode mode)
+bool Access(const std::string& path, vfsOpenMode mode)
 {
 	return false;
 }
 
-bool vfsFileBase::Open(const wxString& path, vfsOpenMode mode)
+bool vfsFileBase::Open(const std::string& path, vfsOpenMode mode)
 {
 	m_path = path;
 	m_mode = mode;
@@ -29,12 +29,12 @@ bool vfsFileBase::Open(const wxString& path, vfsOpenMode mode)
 
 bool vfsFileBase::Close()
 {
-	m_path = wxEmptyString;
+	m_path = "";
 
 	return vfsStream::Close();
 }
 
-wxString vfsFileBase::GetPath() const
+std::string vfsFileBase::GetPath() const
 {
 	return m_path;
 }
diff --git a/rpcs3/Emu/FS/vfsFileBase.h b/rpcs3/Emu/FS/vfsFileBase.h
index 78c310dada..a74e05e251 100644
--- a/rpcs3/Emu/FS/vfsFileBase.h
+++ b/rpcs3/Emu/FS/vfsFileBase.h
@@ -17,7 +17,7 @@ class vfsDevice;
 struct vfsFileBase : public vfsStream
 {
 protected:
-	wxString m_path;
+	std::string m_path;
 	vfsOpenMode m_mode;
 	vfsDevice* m_device;
 
@@ -25,13 +25,13 @@ public:
 	vfsFileBase(vfsDevice* device);
 	virtual ~vfsFileBase();
 
-	virtual bool Open(const wxString& path, vfsOpenMode mode);
+	virtual bool Open(const std::string& path, vfsOpenMode mode);
 	virtual bool Close() override;
-	virtual bool Create(const wxString& path) { return false; }
-	virtual bool Exists(const wxString& path) { return false; }
-	virtual bool Rename(const wxString& from, const wxString& to) { return false; }
-	virtual bool Remove(const wxString& path) { return false; }
+	virtual bool Create(const std::string& path) { return false; }
+	virtual bool Exists(const std::string& path) { return false; }
+	virtual bool Rename(const std::string& from, const std::string& to) { return false; }
+	virtual bool Remove(const std::string& path) { return false; }
 
-	wxString GetPath() const;
+	std::string GetPath() const;
 	vfsOpenMode GetOpenMode() const;
 };
diff --git a/rpcs3/Emu/FS/vfsLocalDir.cpp b/rpcs3/Emu/FS/vfsLocalDir.cpp
index 6ae8009a21..676814fcfd 100644
--- a/rpcs3/Emu/FS/vfsLocalDir.cpp
+++ b/rpcs3/Emu/FS/vfsLocalDir.cpp
@@ -9,7 +9,7 @@ vfsLocalDir::~vfsLocalDir()
 {
 }
 
-bool vfsLocalDir::Open(const wxString& path)
+bool vfsLocalDir::Open(const std::string& path)
 {
 	if(!vfsDirBase::Open(path))
 		return false;
@@ -22,10 +22,10 @@ bool vfsLocalDir::Open(const wxString& path)
 	wxString name;
 	for(bool is_ok = dir.GetFirst(&name); is_ok; is_ok = dir.GetNext(&name))
 	{
-		wxString dir_path = path + name;
+		wxString dir_path = fmt::FromUTF8(path) + name;
 
 		DirEntryInfo& info = m_entries[m_entries.Move(new DirEntryInfo())];
-		info.name = name;
+		info.name = fmt::ToUTF8(name);
 
 		info.flags |= dir.Exists(dir_path) ? DirEntry_TypeDir : DirEntry_TypeFile;
 		if(wxIsWritable(dir_path)) info.flags |= DirEntry_PermWritable;
@@ -36,17 +36,17 @@ bool vfsLocalDir::Open(const wxString& path)
 	return true;
 }
 
-bool vfsLocalDir::Create(const wxString& path)
+bool vfsLocalDir::Create(const std::string& path)
 {
-	return wxFileName::Mkdir(path, 0777, wxPATH_MKDIR_FULL);
+	return wxFileName::Mkdir(fmt::FromUTF8(path), 0777, wxPATH_MKDIR_FULL);
 }
 
-bool vfsLocalDir::Rename(const wxString& from, const wxString& to)
+bool vfsLocalDir::Rename(const std::string& from, const std::string& to)
 {
 	return false;
 }
 
-bool vfsLocalDir::Remove(const wxString& path)
+bool vfsLocalDir::Remove(const std::string& path)
 {
-	return wxRmdir(path);
+	return wxRmdir(fmt::FromUTF8(path));
 }
diff --git a/rpcs3/Emu/FS/vfsLocalDir.h b/rpcs3/Emu/FS/vfsLocalDir.h
index 56aa176756..4120b12f41 100644
--- a/rpcs3/Emu/FS/vfsLocalDir.h
+++ b/rpcs3/Emu/FS/vfsLocalDir.h
@@ -10,9 +10,9 @@ public:
 	vfsLocalDir(vfsDevice* device);
 	virtual ~vfsLocalDir();
 
-	virtual bool Open(const wxString& path) override;
+	virtual bool Open(const std::string& path) override;
 
-	virtual bool Create(const wxString& path) override;
-	virtual bool Rename(const wxString& from, const wxString& to) override;
-	virtual bool Remove(const wxString& path) override;
+	virtual bool Create(const std::string& path) override;
+	virtual bool Rename(const std::string& from, const std::string& to) override;
+	virtual bool Remove(const std::string& path) override;
 };
\ No newline at end of file
diff --git a/rpcs3/Emu/FS/vfsLocalFile.cpp b/rpcs3/Emu/FS/vfsLocalFile.cpp
index 104a11942b..3fbb78a8eb 100644
--- a/rpcs3/Emu/FS/vfsLocalFile.cpp
+++ b/rpcs3/Emu/FS/vfsLocalFile.cpp
@@ -31,50 +31,50 @@ vfsLocalFile::vfsLocalFile(vfsDevice* device) : vfsFileBase(device)
 {
 }
 
-bool vfsLocalFile::Open(const wxString& path, vfsOpenMode mode)
+bool vfsLocalFile::Open(const std::string& path, vfsOpenMode mode)
 {
 	Close();
 
 	// if(m_device)
 	// {
-	// 	if(!m_file.Access(vfsDevice::GetWinPath(m_device->GetLocalPath(), path), vfs2wx_mode(mode))) return false;
+	// 	if(!m_file.Access(fmt::FromUTF8(vfsDevice::GetWinPath(m_device->GetLocalPath(), path)), vfs2wx_mode(mode))) return false;
 
-	// 	return m_file.Open(vfsDevice::GetWinPath(m_device->GetLocalPath(), path), vfs2wx_mode(mode)) &&
-	// 		vfsFileBase::Open(vfsDevice::GetPs3Path(m_device->GetPs3Path(), path), mode);
+	// 	return m_file.Open(fmt::FromUTF8(vfsDevice::GetWinPath(m_device->GetLocalPath(), path)), vfs2wx_mode(mode)) &&
+	// 		vfsFileBase::Open(fmt::FromUTF8(vfsDevice::GetPs3Path(m_device->GetPs3Path(), path)), mode);
 	// }
 	// else
 	// {
-		if(!m_file.Access(path, vfs2wx_mode(mode))) return false;
+		if(!m_file.Access(fmt::FromUTF8(path), vfs2wx_mode(mode))) return false;
 
-		return m_file.Open(path, vfs2wx_mode(mode)) && vfsFileBase::Open(path, mode);
+		return m_file.Open(fmt::FromUTF8(path), vfs2wx_mode(mode)) && vfsFileBase::Open(path, mode);
 	// }
 }
 
-bool vfsLocalFile::Create(const wxString& path)
+bool vfsLocalFile::Create(const std::string& path)
 {
-	ConLog.Warning("vfsLocalFile::Create('%s')", path.wx_str());
-	for(uint p=1; p < path.Len() && path[p] != '\0' ; p++)
+	ConLog.Warning("vfsLocalFile::Create('%s')", path.c_str());
+	for(uint p=1; p < path.length() && path[p] != '\0' ; p++)
 	{
-		for(; p < path.Len() && path[p] != '\0'; p++)
+		for(; p < path.length() && path[p] != '\0'; p++)
 			if(path[p] == '/' || path[p] == '\\') break; // ???
 
-		if(p == path.Len() || path[p] == '\0')
+		if(p == path.length() || path[p] == '\0')
 			break;
 
-		const wxString& dir = path(0, p);
-		if(!wxDirExists(dir))
+		const std::string& dir = path.substr(0, p);
+		if(!wxDirExists(fmt::FromUTF8(dir)))
 		{
-			ConLog.Write("create dir: %s", dir.wx_str());
-			wxMkdir(dir);
+			ConLog.Write("create dir: %s", dir.c_str());
+			wxMkdir(fmt::FromUTF8(dir));
 		}
 	}
 
 	//create file
-	wxString m = path(path.Len() - 1, 1);
-	if(m != '/' && m != '\\' && !wxFileExists(path)) // ???
+	const char m = path[path.length() - 1];
+	if(m != '/' && m != '\\' && !wxFileExists(fmt::FromUTF8(path))) // ???
 	{
 		wxFile f;
-		return f.Create(path);
+		return f.Create(fmt::FromUTF8(path));
 	}
 
 	return true;
diff --git a/rpcs3/Emu/FS/vfsLocalFile.h b/rpcs3/Emu/FS/vfsLocalFile.h
index c380d53191..ec0c12d72a 100644
--- a/rpcs3/Emu/FS/vfsLocalFile.h
+++ b/rpcs3/Emu/FS/vfsLocalFile.h
@@ -9,8 +9,8 @@ private:
 public:
 	vfsLocalFile(vfsDevice* device);
 
-	virtual bool Open(const wxString& path, vfsOpenMode mode = vfsRead) override;
-	virtual bool Create(const wxString& path) override;
+	virtual bool Open(const std::string& path, vfsOpenMode mode = vfsRead) override;
+	virtual bool Create(const std::string& path) override;
 	virtual bool Close() override;
 
 	virtual u64 GetSize() override;
diff --git a/rpcs3/Emu/GS/GCM.h b/rpcs3/Emu/GS/GCM.h
index a4d97f8562..c96dfbb9cc 100644
--- a/rpcs3/Emu/GS/GCM.h
+++ b/rpcs3/Emu/GS/GCM.h
@@ -503,12 +503,12 @@ enum
 	NV3089_IMAGE_IN						= 0x0000C40C,
 };
 
-static const wxString GetMethodName(const u32 id)
+static const std::string GetMethodName(const u32 id)
 {
 	struct MethodName
 	{
 		const u32 id;
-		const wxString& name;
+		const std::string& name;
 	} static const METHOD_NAME_LIST[] = {
 		{ NV4097_NO_OPERATION , "NoOperation" } ,
 		{ NV4097_NOTIFY , "Notify" } ,
@@ -1206,5 +1206,5 @@ static const wxString GetMethodName(const u32 id)
 		if(METHOD_NAME_LIST[i].id == id) return "cellGcm" + METHOD_NAME_LIST[i].name;
 	}
 
-	return wxString::Format("unknown/illegal method [0x%08x]", id);
+	return fmt::Format("unknown/illegal method [0x%08x]", id);
 }
\ No newline at end of file
diff --git a/rpcs3/Emu/GS/GL/GLFragmentProgram.cpp b/rpcs3/Emu/GS/GL/GLFragmentProgram.cpp
index b79097942e..65d86ffd58 100644
--- a/rpcs3/Emu/GS/GL/GLFragmentProgram.cpp
+++ b/rpcs3/Emu/GS/GL/GLFragmentProgram.cpp
@@ -59,7 +59,7 @@ void GLFragmentDecompilerThread::AddCode(std::string code, bool append_mask)
 		case 7: code = "(" + code + " / 8)"; break;
 
 		default:
-			ConLog.Error("Bad scale: %d", src1.scale);
+			ConLog.Error("Bad scale: %d", fmt::by_value(src1.scale));
 			Emu.Pause();
 		break;
 		}
@@ -186,7 +186,7 @@ template<typename T> std::string GLFragmentDecompilerThread::GetSRC(T src)
 			}
 			else
 			{
-				ConLog.Error("Bad src reg num: %d", dst.src_attr_reg_num);
+				ConLog.Error("Bad src reg num: %d", fmt::by_value(dst.src_attr_reg_num));
 				ret += m_parr.AddParam(PARAM_IN, "vec4", "unk");
 				Emu.Pause();
 			}
@@ -200,7 +200,7 @@ template<typename T> std::string GLFragmentDecompilerThread::GetSRC(T src)
 	break;
 
 	default:
-		ConLog.Error("Bad src type %d", src.reg_type);
+		ConLog.Error("Bad src type %d", fmt::by_value(src.reg_type));
 		Emu.Pause();
 	break;
 	}
@@ -223,7 +223,7 @@ template<typename T> std::string GLFragmentDecompilerThread::GetSRC(T src)
 
 std::string GLFragmentDecompilerThread::BuildCode()
 {
-	//main += wxString::Format("\tgl_FragColor = %c0;\n", m_ctrl & 0x40 ? 'r' : 'h');
+	//main += fmt::Format("\tgl_FragColor = %c0;\n", m_ctrl & 0x40 ? 'r' : 'h');
 	main += "\t" + m_parr.AddParam(PARAM_OUT, "vec4", "ocol", 0) + " = " + (m_ctrl & 0x40 ? "r0" : "h0") + ";\n";
 	if(m_ctrl & 0xe) main += "\tgl_FragDepth = r1.z;\n";
 
@@ -420,7 +420,7 @@ void GLShaderProgram::Compile()
 			GLsizei len;
 			memset(buf, 0, r+1);
 			glGetShaderInfoLog(id, r, &len, buf);
-			ConLog.Error("Failed to compile shader: %s", wxString(buf).wx_str());
+			ConLog.Error("Failed to compile shader: %s", buf);
 			delete[] buf;
 		}
 
diff --git a/rpcs3/Emu/GS/GL/GLGSRender.cpp b/rpcs3/Emu/GS/GL/GLGSRender.cpp
index dd849d4623..a8831ba806 100644
--- a/rpcs3/Emu/GS/GL/GLGSRender.cpp
+++ b/rpcs3/Emu/GS/GL/GLGSRender.cpp
@@ -23,10 +23,14 @@ void printGlError(GLenum err, const char* situation)
 {
 	if(err != GL_NO_ERROR)
 	{
-		ConLog.Error("%s: opengl error 0x%04x", wxString(situation).wx_str(), err);
+		ConLog.Error("%s: opengl error 0x%04x", situation, err);
 		Emu.Pause();
 	}
 }
+void printGlError(GLenum err, const std::string& situation)
+{
+	printGlError(err, situation.c_str());
+}
 
 #if 0
 	#define checkForGlError(x) /*x*/
@@ -316,13 +320,13 @@ void GLGSRender::InitVertexData()
 	for(u32 i=0; i<m_transform_constants.GetCount(); ++i)
 	{
 		const RSXTransformConstant& c = m_transform_constants[i];
-		const wxString name = wxString::Format("vc%u", c.id);
+		const std::string name = fmt::Format("vc%u", c.id);
 		l = m_program.GetLocation(name);
 		checkForGlError("glGetUniformLocation " + name);
 
 		//ConLog.Write(name + " x: %.02f y: %.02f z: %.02f w: %.02f", c.x, c.y, c.z, c.w);
 		glUniform4f(l, c.x, c.y, c.z, c.w);
-		checkForGlError("glUniform4f " + name + wxString::Format(" %d [%f %f %f %f]", l, c.x, c.y, c.z, c.w));
+		checkForGlError("glUniform4f " + name + fmt::Format(" %d [%f %f %f %f]", l, c.x, c.y, c.z, c.w));
 	}
 
 	// Scale
@@ -358,12 +362,12 @@ void GLGSRender::InitFragmentData()
 
 		//ConLog.Warning("fc%u[0x%x - 0x%x] = (%f, %f, %f, %f)", id, c.id, m_cur_shader_prog->offset, c.x, c.y, c.z, c.w);
 
-		const wxString name = wxString::Format("fc%u", id);
+		const std::string name = fmt::Format("fc%u", id);
 		const int l = m_program.GetLocation(name);
 		checkForGlError("glGetUniformLocation " + name);
 
 		glUniform4f(l, c.x, c.y, c.z, c.w);
-		checkForGlError("glUniform4f " + name + wxString::Format(" %d [%f %f %f %f]", l, c.x, c.y, c.z, c.w));
+		checkForGlError("glUniform4f " + name + fmt::Format(" %d [%f %f %f %f]", l, c.x, c.y, c.z, c.w));
 	}
 
 	//if(m_fragment_constants.GetCount())
@@ -735,7 +739,7 @@ void GLGSRender::ExecCMD()
 		for(int i=0; i<4; ++i)
 		{
 			m_fbo.Renderbuffer(GL_COLOR_ATTACHMENT0 + i, m_rbo.GetId(i));
-			checkForGlError(wxString::Format("m_fbo.Renderbuffer(GL_COLOR_ATTACHMENT%d)", i));
+			checkForGlError(fmt::Format("m_fbo.Renderbuffer(GL_COLOR_ATTACHMENT%d)", i));
 		}
 
 		m_fbo.Renderbuffer(GL_DEPTH_ATTACHMENT, m_rbo.GetId(4));
@@ -1044,10 +1048,10 @@ void GLGSRender::ExecCMD()
 		checkForGlError("glActiveTexture");
 		m_gl_textures[i].Create();
 		m_gl_textures[i].Bind();
-		checkForGlError(wxString::Format("m_gl_textures[%d].Bind", i));
+		checkForGlError(fmt::Format("m_gl_textures[%d].Bind", i));
 		m_program.SetTex(i);
 		m_gl_textures[i].Init(m_textures[i]);
-		checkForGlError(wxString::Format("m_gl_textures[%d].Init", i));
+		checkForGlError(fmt::Format("m_gl_textures[%d].Init", i));
 	}
 
 	m_vao.Bind();
diff --git a/rpcs3/Emu/GS/GL/GLGSRender.h b/rpcs3/Emu/GS/GL/GLGSRender.h
index 37f8d8e41a..c0aee1dcb5 100644
--- a/rpcs3/Emu/GS/GL/GLGSRender.h
+++ b/rpcs3/Emu/GS/GL/GLGSRender.h
@@ -11,6 +11,7 @@
 
 extern GLenum g_last_gl_error;
 void printGlError(GLenum err, const char* situation);
+void printGlError(GLenum err, const std::string& situation);
 u32 LinearToSwizzleAddress(u32 x, u32 y, u32 z, u32 log2_width, u32 log2_height, u32 log2_depth);
 
 #if RSX_DEBUG
@@ -171,7 +172,7 @@ public:
 		break;
 
 		default: ConLog.Error("Init tex error: Bad tex format (0x%x | %s | 0x%x)", format,
-					 wxString(is_swizzled ? "swizzled" : "linear").wx_str(), tex.GetFormat() & 0x40); break;
+					 (is_swizzled ? "swizzled" : "linear"), tex.GetFormat() & 0x40); break;
 		}
 
 		glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAX_LEVEL, tex.GetMipmap() - 1);
diff --git a/rpcs3/Emu/GS/GL/GLProgram.cpp b/rpcs3/Emu/GS/GL/GLProgram.cpp
index ed044a6591..75d4087bd9 100644
--- a/rpcs3/Emu/GS/GL/GLProgram.cpp
+++ b/rpcs3/Emu/GS/GL/GLProgram.cpp
@@ -6,11 +6,11 @@ GLProgram::GLProgram() : id(0)
 {
 }
 
-int GLProgram::GetLocation(const wxString& name)
+int GLProgram::GetLocation(const std::string& name)
 {
 	for(u32 i=0; i<m_locations.GetCount(); ++i)
 	{
-		if(!m_locations[i].name.Cmp(name))
+		if(!m_locations[i].name.compare(name))
 		{
 			return m_locations[i].loc;
 		}
@@ -19,8 +19,8 @@ int GLProgram::GetLocation(const wxString& name)
 	u32 pos = m_locations.Move(new Location());
 	m_locations[pos].name = name;
 
-	m_locations[pos].loc = glGetUniformLocation(id, name);
-	checkForGlError(wxString::Format("glGetUniformLocation(0x%x, %s)", id, name.wx_str()));
+	m_locations[pos].loc = glGetUniformLocation(id, name.c_str());
+	checkForGlError(fmt::Format("glGetUniformLocation(0x%x, %s)", id, name.c_str()));
 	return m_locations[pos].loc;
 }
 
@@ -51,7 +51,7 @@ void GLProgram::Create(const u32 vp, const u32 fp)
 			char* buf = new char[bufLength+1];
 			memset(buf, 0, bufLength+1);
 			glGetProgramInfoLog(id, bufLength, NULL, buf);
-			ConLog.Error("Could not link program: %s", wxString(buf).wx_str());
+			ConLog.Error("Could not link program: %s", buf);
 			delete[] buf;
 
 			return;
@@ -70,7 +70,7 @@ void GLProgram::Create(const u32 vp, const u32 fp)
 			char* buf = new char[bufLength];
 			memset(buf, 0, bufLength);
 			glGetProgramInfoLog(id, bufLength, NULL, buf);
-			ConLog.Error("Could not link program: %s", wxString(buf).wx_str());
+			ConLog.Error("Could not link program: %s", buf);
 			delete[] buf;
 
 			return;
@@ -95,9 +95,9 @@ void GLProgram::Use()
 
 void GLProgram::SetTex(u32 index)
 {
-	int loc = GetLocation(wxString::Format("tex%u", index));
+	int loc = GetLocation(fmt::Format("tex%u", index));
 	glProgramUniform1i(id, loc, index);
-	checkForGlError(wxString::Format("SetTex(%u - %d - %d)", id, index, loc));
+	checkForGlError(fmt::Format("SetTex(%u - %d - %d)", id, index, loc));
 }
 
 void GLProgram::Delete()
diff --git a/rpcs3/Emu/GS/GL/GLProgram.h b/rpcs3/Emu/GS/GL/GLProgram.h
index b06e216767..52faf8ce11 100644
--- a/rpcs3/Emu/GS/GL/GLProgram.h
+++ b/rpcs3/Emu/GS/GL/GLProgram.h
@@ -8,7 +8,7 @@ private:
 	struct Location
 	{
 		int loc;
-		wxString name;
+		std::string name;
 	};
 
 	Array<Location> m_locations;
@@ -18,7 +18,7 @@ public:
 
 	GLProgram();
 
-	int GetLocation(const wxString& name);
+	int GetLocation(const std::string& name);
 	bool IsCreated() const;
 	void Create(const u32 vp, const u32 fp);
 	void Use();
diff --git a/rpcs3/Emu/GS/GL/GLProgramBuffer.cpp b/rpcs3/Emu/GS/GL/GLProgramBuffer.cpp
index 4ca63b9d6d..a4d4a63e4f 100644
--- a/rpcs3/Emu/GS/GL/GLProgramBuffer.cpp
+++ b/rpcs3/Emu/GS/GL/GLProgramBuffer.cpp
@@ -93,8 +93,8 @@ void GLProgramBuffer::Add(GLProgram& prog, GLShaderProgram& gl_fp, RSXShaderProg
 	ConLog.Write("*** vp data size = %d", rsx_vp.data.GetCount() * 4);
 	ConLog.Write("*** fp data size = %d", rsx_fp.size);
 
-	ConLog.Write("*** vp shader = \n%s", gl_vp.shader.wx_str());
-	ConLog.Write("*** fp shader = \n%s", wxString(gl_fp.shader).wx_str());
+	ConLog.Write("*** vp shader = \n%s", gl_vp.shader.c_str());
+	ConLog.Write("*** fp shader = \n%s", gl_fp.shader.c_str());
 	
 
 	new_buf.prog_id = prog.id;
diff --git a/rpcs3/Emu/GS/GL/GLVertexProgram.cpp b/rpcs3/Emu/GS/GL/GLVertexProgram.cpp
index 323ff04c61..567f608618 100644
--- a/rpcs3/Emu/GS/GL/GLVertexProgram.cpp
+++ b/rpcs3/Emu/GS/GL/GLVertexProgram.cpp
@@ -1,9 +1,9 @@
 #include "stdafx.h"
 #include "GLVertexProgram.h"
 
-wxString GLVertexDecompilerThread::GetMask(bool is_sca)
+std::string GLVertexDecompilerThread::GetMask(bool is_sca)
 {
-	wxString ret = wxEmptyString;
+	std::string ret;
 
 	if(is_sca)
 	{
@@ -20,20 +20,20 @@ wxString GLVertexDecompilerThread::GetMask(bool is_sca)
 		if(d3.vec_writemask_w) ret += "w";
 	}
 
-	return ret.IsEmpty() || ret == "xyzw" ? wxString(wxEmptyString) : ("." + ret);
+	return ret.empty() || ret == "xyzw" ? "" : ("." + ret);
 }
 
-wxString GLVertexDecompilerThread::GetVecMask()
+std::string GLVertexDecompilerThread::GetVecMask()
 {
 	return GetMask(false);
 }
 
-wxString GLVertexDecompilerThread::GetScaMask()
+std::string GLVertexDecompilerThread::GetScaMask()
 {
 	return GetMask(true);
 }
 
-wxString GLVertexDecompilerThread::GetDST(bool isSca)
+std::string GLVertexDecompilerThread::GetDST(bool isSca)
 {
 	static const std::string reg_table[] = 
 	{
@@ -45,7 +45,7 @@ wxString GLVertexDecompilerThread::GetDST(bool isSca)
 		"tc0", "tc1", "tc2", "tc3", "tc4", "tc5", "tc6", "tc7"
 	};
 
-	wxString ret = wxEmptyString;
+	std::string ret;
 
 	switch(isSca ? 0x1f : d3.dst)
 	{
@@ -64,7 +64,7 @@ wxString GLVertexDecompilerThread::GetDST(bool isSca)
 		}
 		else
 		{
-			ConLog.Error("Bad dst reg num: %d", d3.dst);
+			ConLog.Error("Bad dst reg num: %d", fmt::by_value(d3.dst));
 			ret += m_parr.AddParam(PARAM_OUT, "vec4", "unk");
 		}
 	break;
@@ -73,7 +73,7 @@ wxString GLVertexDecompilerThread::GetDST(bool isSca)
 	return ret;
 }
 
-wxString GLVertexDecompilerThread::GetSRC(const u32 n, bool isSca)
+std::string GLVertexDecompilerThread::GetSRC(const u32 n, bool isSca)
 {
 	static const std::string reg_table[] = 
 	{
@@ -85,7 +85,7 @@ wxString GLVertexDecompilerThread::GetSRC(const u32 n, bool isSca)
 		"in_tc4", "in_tc5", "in_tc6", "in_tc7"
 	};
 
-	wxString ret = wxEmptyString;
+	std::string ret;
 
 	switch(src[n].reg_type)
 	{
@@ -99,7 +99,7 @@ wxString GLVertexDecompilerThread::GetSRC(const u32 n, bool isSca)
 		}
 		else
 		{
-			ConLog.Error("Bad input src num: %d", d1.input_src);
+			ConLog.Error("Bad input src num: %d", fmt::by_value(d1.input_src));
 			ret += m_parr.AddParam(PARAM_IN, "vec4", "in_unk", d1.input_src);
 		}
 	break;
@@ -108,12 +108,12 @@ wxString GLVertexDecompilerThread::GetSRC(const u32 n, bool isSca)
 	break;
 
 	default:
-		ConLog.Error("Bad src%u reg type: %d", n, src[n].reg_type);
+		ConLog.Error("Bad src%u reg type: %d", n, fmt::by_value(src[n].reg_type));
 		Emu.Pause();
 	break;
 	}
 
-	static const wxString f = "xyzw";
+	static const std::string f = "xyzw";
 
 	if (isSca)
 	{
@@ -126,7 +126,7 @@ wxString GLVertexDecompilerThread::GetSRC(const u32 n, bool isSca)
 	}
 	else
 	{
-		wxString swizzle = wxEmptyString;
+		std::string swizzle;
 
 		swizzle += f[src[n].swz_x];
 		swizzle += f[src[n].swz_y];
@@ -151,8 +151,9 @@ wxString GLVertexDecompilerThread::GetSRC(const u32 n, bool isSca)
 	return ret;
 }
 
-void GLVertexDecompilerThread::AddCode(bool is_sca, wxString code, bool src_mask, bool set_dst, bool set_cond)
+void GLVertexDecompilerThread::AddCode(bool is_sca, const std::string& pCode, bool src_mask, bool set_dst, bool set_cond)
 {
+	std::string code = pCode;
 	if(d0.cond == 0) return;
 	enum
 	{
@@ -173,7 +174,7 @@ void GLVertexDecompilerThread::AddCode(bool is_sca, wxString code, bool src_mask
 		"error"
 	};
 
-	wxString cond;
+	std::string cond;
 
 	if((set_cond || d0.cond_test_enable) && d0.cond != (lt | gt | eq))
 	{
@@ -187,11 +188,11 @@ void GLVertexDecompilerThread::AddCode(bool is_sca, wxString code, bool src_mask
 
 		swizzle = swizzle == "xyzw" ? "" : "." + swizzle;
 
-		cond = wxString::Format("if(all(%s(rc%s, vec4(0.0)%s))) ", wxString(cond_string_table[d0.cond]).wx_str(), wxString(swizzle).wx_str(), wxString(swizzle).wx_str());
+		cond = fmt::Format("if(all(%s(rc%s, vec4(0.0)%s))) ", cond_string_table[d0.cond], swizzle.c_str(), swizzle.c_str());
 	}
 
-	wxString mask = GetMask(is_sca);
-	wxString value = src_mask ? code + mask : code;
+	std::string mask = GetMask(is_sca);
+	std::string value = src_mask ? code + mask : code;
 
 	if(is_sca && d0.vec_result)
 	{
@@ -205,7 +206,7 @@ void GLVertexDecompilerThread::AddCode(bool is_sca, wxString code, bool src_mask
 
 	if(set_dst)
 	{
-		wxString dest;
+		std::string dest;
 		if(d0.cond_update_enable_0)
 		{
 			dest = m_parr.AddParam(PARAM_NONE, "vec4", "rc", "vec4(0.0)") + mask;
@@ -224,7 +225,7 @@ void GLVertexDecompilerThread::AddCode(bool is_sca, wxString code, bool src_mask
 				if(d3.vec_writemask_z) num += 1;
 				else if(d3.vec_writemask_w) num += 2;
 
-				dest = wxString::Format(GetDST(is_sca) + "/*" + mask + "*/", num);
+				dest = fmt::Format(GetDST(is_sca) + "/*" + mask + "*/", num);
 			}
 		}
 		else
@@ -239,17 +240,17 @@ void GLVertexDecompilerThread::AddCode(bool is_sca, wxString code, bool src_mask
 		code = cond + value;
 	}
 
-	m_body.Add(code + ";");
+	m_body.push_back(code + ";");
 }
 
-wxString GLVertexDecompilerThread::GetFunc()
+std::string GLVertexDecompilerThread::GetFunc()
 {
 	u32 offset = (d2.iaddrh << 3) | d3.iaddrl;
-	wxString name = wxString::Format("func%u", offset);
+	std::string name = fmt::Format("func%u", offset);
 
 	for(uint i=0; i<m_funcs.GetCount(); ++i)
 	{
-		if(m_funcs[i].name.Cmp(name) == 0)
+		if(m_funcs[i].name.compare(name) == 0)
 			return name + "()";
 	}
 
@@ -260,21 +261,21 @@ wxString GLVertexDecompilerThread::GetFunc()
 	return name + "()";
 }
 
-void GLVertexDecompilerThread::AddVecCode(const wxString& code, bool src_mask, bool set_dst)
+void GLVertexDecompilerThread::AddVecCode(const std::string& code, bool src_mask, bool set_dst)
 {
 	AddCode(false, code, src_mask, set_dst);
 }
 
-void GLVertexDecompilerThread::AddScaCode(const wxString& code, bool set_dst, bool set_cond)
+void GLVertexDecompilerThread::AddScaCode(const std::string& code, bool set_dst, bool set_cond)
 {
 	AddCode(true, code, false, set_dst, set_cond);
 }
 
-wxString GLVertexDecompilerThread::BuildFuncBody(const FuncInfo& func)
+std::string GLVertexDecompilerThread::BuildFuncBody(const FuncInfo& func)
 {
-	wxString result;
+	std::string result;
 
-	for(uint i=func.offset; i<m_body.GetCount(); ++i)
+	for(uint i=func.offset; i<m_body.size(); ++i)
 	{
 		if(i != func.offset)
 		{
@@ -301,33 +302,33 @@ wxString GLVertexDecompilerThread::BuildFuncBody(const FuncInfo& func)
 	return result;
 }
 
-wxString GLVertexDecompilerThread::BuildCode()
+std::string GLVertexDecompilerThread::BuildCode()
 {
-	wxString p = wxEmptyString;
+	std::string p;
 
 	for(u32 i=0; i<m_parr.params.GetCount(); ++i)
 	{
 		p += m_parr.params[i].Format();
 	}
 
-	wxString fp = wxEmptyString;
+	std::string fp;
 
 	for(int i=m_funcs.GetCount() - 1; i>0; --i)
 	{
-		fp += wxString::Format("void %s();\n", m_funcs[i].name.wx_str());
+		fp += fmt::Format("void %s();\n", m_funcs[i].name.c_str());
 	}
 
-	wxString f = wxEmptyString;
+	std::string f;
 
-	f += wxString::Format("void %s()\n{\n\tgl_Position = vec4(0.0f, 0.0f, 0.0f, 1.0f);\n\t%s();\n\tgl_Position = gl_Position * scaleOffsetMat;\n}\n",
-		m_funcs[0].name.wx_str(), m_funcs[1].name.wx_str());
+	f += fmt::Format("void %s()\n{\n\tgl_Position = vec4(0.0f, 0.0f, 0.0f, 1.0f);\n\t%s();\n\tgl_Position = gl_Position * scaleOffsetMat;\n}\n",
+		m_funcs[0].name.c_str(), m_funcs[1].name.c_str());
 
 	for(uint i=1; i<m_funcs.GetCount(); ++i)
 	{
-		f += wxString::Format("\nvoid %s()\n{\n%s}\n", m_funcs[i].name.wx_str(), BuildFuncBody(m_funcs[i]).wx_str());
+		f += fmt::Format("\nvoid %s()\n{\n%s}\n", m_funcs[i].name.c_str(), BuildFuncBody(m_funcs[i]).c_str());
 	}
 
-	static const wxString& prot = 
+	static const std::string& prot =
 		"#version 330\n"
 		"\n"
 		"uniform mat4 scaleOffsetMat = mat4(1.0);\n"
@@ -335,7 +336,7 @@ wxString GLVertexDecompilerThread::BuildCode()
 		"%s\n"
 		"%s";
 
-	return wxString::Format(prot, p.wx_str(), fp.wx_str(), f.wx_str());
+	return fmt::Format(prot, p.c_str(), fp.c_str(), f.c_str());
 }
 
 void GLVertexDecompilerThread::Task()
@@ -357,7 +358,7 @@ void GLVertexDecompilerThread::Task()
 
 		if(!d1.sca_opcode && !d1.vec_opcode)
 		{
-			m_body.Add("//nop");
+			m_body.push_back("//nop");
 		}
 
 		switch(d1.sca_opcode)
@@ -385,8 +386,8 @@ void GLVertexDecompilerThread::Task()
 		//case 0x14: break; // POP : works differently (POP o[1].x;)
 
 		default:
-			m_body.Add(wxString::Format("//Unknown vp sca_opcode 0x%x", d1.sca_opcode));
-			ConLog.Error("Unknown vp sca_opcode 0x%x", d1.sca_opcode);
+			m_body.push_back(fmt::Format("//Unknown vp sca_opcode 0x%x", fmt::by_value(d1.sca_opcode)));
+			ConLog.Error("Unknown vp sca_opcode 0x%x", fmt::by_value(d1.sca_opcode));
 			Emu.Pause();
 		break;
 		}
@@ -417,8 +418,8 @@ void GLVertexDecompilerThread::Task()
 		case 0x16: AddVecCode("sign(" + GetSRC(0) + ")"); break; //SSG
 
 		default:
-			m_body.Add(wxString::Format("//Unknown vp opcode 0x%x", d1.vec_opcode));
-			ConLog.Error("Unknown vp opcode 0x%x", d1.vec_opcode);
+			m_body.push_back(fmt::Format("//Unknown vp opcode 0x%x", fmt::by_value(d1.vec_opcode)));
+			ConLog.Error("Unknown vp opcode 0x%x", fmt::by_value(d1.vec_opcode));
 			Emu.Pause();
 		break;
 		}
@@ -434,7 +435,7 @@ void GLVertexDecompilerThread::Task()
 
 	m_shader = BuildCode();
 
-	m_body.Clear();
+	m_body.clear();
 	m_funcs.RemoveAt(2, m_funcs.GetCount() - 2);
 }
 
@@ -489,8 +490,8 @@ void GLVertexProgram::Compile()
 
 	id = glCreateShader(GL_VERTEX_SHADER);
 
-	const char* str = shader.mb_str();
-	const int strlen = shader.Len();
+	const char* str = shader.c_str();
+	const int strlen = shader.length();
 
 	glShaderSource(id, 1, &str, &strlen);
 	glCompileShader(id);
@@ -507,7 +508,7 @@ void GLVertexProgram::Compile()
 			GLsizei len;
 			memset(buf, 0, r+1);
 			glGetShaderInfoLog(id, r, &len, buf);
-			ConLog.Error("Failed to compile vertex shader: %s", wxString(buf).wx_str());
+			ConLog.Error("Failed to compile vertex shader: %s", buf);
 			delete[] buf;
 		}
 
@@ -521,7 +522,7 @@ void GLVertexProgram::Compile()
 void GLVertexProgram::Delete()
 {
 	parr.params.Clear();
-	shader.Clear();
+	shader.clear();
 
 	if(id)
 	{
diff --git a/rpcs3/Emu/GS/GL/GLVertexProgram.h b/rpcs3/Emu/GS/GL/GLVertexProgram.h
index 57a3b12b1d..4e9e49b489 100644
--- a/rpcs3/Emu/GS/GL/GLVertexProgram.h
+++ b/rpcs3/Emu/GS/GL/GLVertexProgram.h
@@ -130,19 +130,19 @@ struct GLVertexDecompilerThread : public ThreadBase
 	struct FuncInfo
 	{
 		u32 offset;
-		wxString name;
+		std::string name;
 	};
 
-	wxArrayString m_body;
+	std::vector<std::string> m_body;
 
 	ArrayF<FuncInfo> m_funcs;
 
 	//wxString main;
-	wxString& m_shader;
+	std::string& m_shader;
 	Array<u32>& m_data;
 	GLParamArray& m_parr;
 
-	GLVertexDecompilerThread(Array<u32>& data, wxString& shader, GLParamArray& parr)
+	GLVertexDecompilerThread(Array<u32>& data, std::string& shader, GLParamArray& parr)
 		: ThreadBase("Vertex Shader Decompiler Thread")
 		, m_data(data)
 		, m_shader(shader)
@@ -157,17 +157,17 @@ struct GLVertexDecompilerThread : public ThreadBase
 		//m_cur_func->body = "\tgl_Position = vec4(0.0f, 0.0f, 0.0f, 1.0f);\n";
 	}
 
-	wxString GetMask(bool is_sca);
-	wxString GetVecMask();
-	wxString GetScaMask();
-	wxString GetDST(bool is_sca = false);
-	wxString GetSRC(const u32 n, bool is_sca = false);
-	wxString GetFunc();
-	void AddCode(bool is_sca, wxString code, bool src_mask = true, bool set_dst = true, bool set_cond = true);
-	void AddVecCode(const wxString& code, bool src_mask = true, bool set_dst = true);
-	void AddScaCode(const wxString& code, bool set_dst = true, bool set_cond = true);
-	wxString BuildFuncBody(const FuncInfo& func);
-	wxString BuildCode();
+	std::string GetMask(bool is_sca);
+	std::string GetVecMask();
+	std::string GetScaMask();
+	std::string GetDST(bool is_sca = false);
+	std::string GetSRC(const u32 n, bool is_sca = false);
+	std::string GetFunc();
+	void AddCode(bool is_sca, const std::string& code, bool src_mask = true, bool set_dst = true, bool set_cond = true);
+	void AddVecCode(const std::string& code, bool src_mask = true, bool set_dst = true);
+	void AddScaCode(const std::string& code, bool set_dst = true, bool set_cond = true);
+	std::string BuildFuncBody(const FuncInfo& func);
+	std::string BuildCode();
 
 	virtual void Task();
 };
@@ -181,7 +181,7 @@ struct GLVertexProgram
 
 	GLParamArray parr;
 	u32 id;
-	wxString shader;
+	std::string shader;
 
 	void Wait()
 	{
diff --git a/rpcs3/Emu/GS/RSXThread.cpp b/rpcs3/Emu/GS/RSXThread.cpp
index af7402cab9..56bebee980 100644
--- a/rpcs3/Emu/GS/RSXThread.cpp
+++ b/rpcs3/Emu/GS/RSXThread.cpp
@@ -105,9 +105,9 @@ u32 RSXVertexData::GetTypeSize()
 
 u32 RSXThread::OutOfArgsCount(const uint x, const u32 cmd, const u32 count)
 {
-	wxString debug = GetMethodName(cmd);
+	std::string debug = GetMethodName(cmd);
 	debug += "(";
-	for(u32 i=0; i<count; ++i) debug += (i ? ", " : "") + wxString::Format("0x%x", ARGS(i));
+	for(u32 i=0; i<count; ++i) debug += (i ? ", " : "") + fmt::Format("0x%x", ARGS(i));
 	debug += ")";
 	ConLog.Write("OutOfArgsCount(x=%u, count=%u): " + debug, x, count);
 
@@ -172,9 +172,9 @@ u32 RSXThread::OutOfArgsCount(const uint x, const u32 cmd, const u32 count)
 void RSXThread::DoCmd(const u32 fcmd, const u32 cmd, mem32_ptr_t& args, const u32 count)
 {
 #if	CMD_DEBUG
-		wxString debug = GetMethodName(cmd);
+		std::string debug = GetMethodName(cmd);
 		debug += "(";
-		for(u32 i=0; i<count; ++i) debug += (i ? ", " : "") + wxString::Format("0x%x", ARGS(i));
+		for(u32 i=0; i<count; ++i) debug += (i ? ", " : "") + fmt::Format("0x%x", ARGS(i));
 		debug += ")";
 		ConLog.Write(debug);
 #endif
@@ -1471,9 +1471,9 @@ void RSXThread::DoCmd(const u32 fcmd, const u32 cmd, mem32_ptr_t& args, const u3
 
 	default:
 	{
-		wxString log = GetMethodName(cmd);
+		std::string log = GetMethodName(cmd);
 		log += "(";
-		for(u32 i=0; i<count; ++i) log += (i ? ", " : "") + wxString::Format("0x%x", ARGS(i));
+		for(u32 i=0; i<count; ++i) log += (i ? ", " : "") + fmt::Format("0x%x", ARGS(i));
 		log += ")";
 		ConLog.Error("TODO: " + log);
 		//Emu.Pause();
diff --git a/rpcs3/Emu/GameInfo.h b/rpcs3/Emu/GameInfo.h
index 1013857a3e..2521599fda 100644
--- a/rpcs3/Emu/GameInfo.h
+++ b/rpcs3/Emu/GameInfo.h
@@ -2,13 +2,13 @@
 
 struct GameInfo
 {
-	wxString root;
+	std::string root;
 
-	wxString name;
-	wxString serial;
-	wxString app_ver;
-	wxString category;
-	wxString fw;
+	std::string name;
+	std::string serial;
+	std::string app_ver;
+	std::string category;
+	std::string fw;
 
 	u32 attr;
 	u32 bootable;
@@ -23,7 +23,7 @@ struct GameInfo
 
 	void Reset()
 	{
-		root = wxEmptyString;
+		root = "";
 
 		name = "Unknown";
 		serial = "Unknown";
diff --git a/rpcs3/Emu/HDD/HDD.h b/rpcs3/Emu/HDD/HDD.h
index 2a6afe07dc..3aee9c63b1 100644
--- a/rpcs3/Emu/HDD/HDD.h
+++ b/rpcs3/Emu/HDD/HDD.h
@@ -59,9 +59,9 @@ public:
 		CreateBlock(entry);
 	}
 
-	static void CreateHDD(const wxString& path, u64 size, u64 block_size)
+	static void CreateHDD(const std::string& path, u64 size, u64 block_size)
 	{
-		wxFile f(path, wxFile::write);
+		wxFile f(fmt::FromUTF8(path), wxFile::write);
 
 		static const u64 cur_dir_block = 1;
 
@@ -174,24 +174,26 @@ class vfsHDDFile
 		m_hdd.Read(&data, sizeof(vfsHDD_Entry));
 	}
 
-	void ReadEntry(u64 block, vfsHDD_Entry& data, wxString& name)
+	void ReadEntry(u64 block, vfsHDD_Entry& data, std::string& name)
 	{
 		m_hdd.Seek(block * m_hdd_info.block_size);
 		m_hdd.Read(&data, sizeof(vfsHDD_Entry));
-		m_hdd.Read(wxStringBuffer(name, GetMaxNameLen()), GetMaxNameLen());
+		name.resize(GetMaxNameLen());
+		m_hdd.Read(&name.front(), GetMaxNameLen());
 	}
 
-	void ReadEntry(u64 block, wxString& name)
+	void ReadEntry(u64 block, std::string& name)
 	{
 		m_hdd.Seek(block * m_hdd_info.block_size + sizeof(vfsHDD_Entry));
-		m_hdd.Read(wxStringBuffer(name, GetMaxNameLen()), GetMaxNameLen());
+		name.resize(GetMaxNameLen());
+		m_hdd.Read(&name.front(), GetMaxNameLen());
 	}
 
-	void WriteEntry(u64 block, const vfsHDD_Entry& data, const wxString& name)
+	void WriteEntry(u64 block, const vfsHDD_Entry& data, const std::string& name)
 	{
 		m_hdd.Seek(block * m_hdd_info.block_size);
 		m_hdd.Write(&data, sizeof(vfsHDD_Entry));
-		m_hdd.Write(name.c_str(), min<size_t>(GetMaxNameLen() - 1, name.Len() + 1));
+		m_hdd.Write(name.c_str(), min<size_t>(GetMaxNameLen() - 1, name.length() + 1));
 	}
 
 	__forceinline u32 GetMaxNameLen() const
@@ -424,13 +426,13 @@ class vfsHDD : public vfsFileBase
 {
 	vfsHDD_Hdr m_hdd_info;
 	vfsLocalFile m_hdd_file;
-	const wxString& m_hdd_path;
+	const std::string& m_hdd_path;
 	vfsHDD_Entry m_cur_dir;
 	u64 m_cur_dir_block;
 	vfsHDDFile m_file;
 
 public:
-	vfsHDD(vfsDevice* device, const wxString& hdd_path)
+	vfsHDD(vfsDevice* device, const std::string& hdd_path)
 		: m_hdd_file(device)
 		, m_file(m_hdd_file, m_hdd_info)
 		, m_hdd_path(hdd_path)
@@ -453,18 +455,18 @@ public:
 		return m_hdd_info.block_size - sizeof(vfsHDD_Entry);
 	}
 
-	bool SearchEntry(const wxString& name, u64& entry_block, u64* parent_block = nullptr)
+	bool SearchEntry(const std::string& name, u64& entry_block, u64* parent_block = nullptr)
 	{
 		u64 last_block = 0;
 		u64 block = m_cur_dir_block;
 		vfsHDD_Entry entry;
-		wxString buf;
+		std::string buf;
 
 		while(block)
 		{
 			ReadEntry(block, entry, buf);
 
-			if(name.CmpNoCase(buf) == 0)
+			if (fmt::CmpNoCase(name,buf) == 0)
 			{
 				entry_block = block;
 				if(parent_block)
@@ -480,9 +482,9 @@ public:
 		return false;
 	}
 
-	int OpenDir(const wxString& name)
+	int OpenDir(const std::string& name)
 	{
-		ConLog.Warning("OpenDir(%s)", name.wx_str());
+		ConLog.Warning("OpenDir(%s)", name.c_str());
 		u64 entry_block;
 		if(!SearchEntry(name, entry_block))
 			return -1;
@@ -499,7 +501,7 @@ public:
 		return 0;
 	}
 
-	bool Rename(const wxString& from, const wxString& to)
+	bool Rename(const std::string& from, const std::string& to)
 	{
 		u64 entry_block;
 		if(!SearchEntry(from, entry_block))
@@ -555,27 +557,29 @@ public:
 		m_hdd_file.Read(&data, sizeof(vfsHDD_Entry));
 	}
 
-	void ReadEntry(u64 block, vfsHDD_Entry& data, wxString& name)
+	void ReadEntry(u64 block, vfsHDD_Entry& data, std::string& name)
 	{
 		m_hdd_file.Seek(block * m_hdd_info.block_size);
 		m_hdd_file.Read(&data, sizeof(vfsHDD_Entry));
-		m_hdd_file.Read(wxStringBuffer(name, GetMaxNameLen()), GetMaxNameLen());
+		name.resize(GetMaxNameLen());
+		m_hdd_file.Read(&name.front(), GetMaxNameLen());
 	}
 
-	void ReadEntry(u64 block, wxString& name)
+	void ReadEntry(u64 block, std::string& name)
 	{
 		m_hdd_file.Seek(block * m_hdd_info.block_size + sizeof(vfsHDD_Entry));
-		m_hdd_file.Read(wxStringBuffer(name, GetMaxNameLen()), GetMaxNameLen());
+		name.resize(GetMaxNameLen());
+		m_hdd_file.Read(&name.front(), GetMaxNameLen());
 	}
 
-	void WriteEntry(u64 block, const vfsHDD_Entry& data, const wxString& name)
+	void WriteEntry(u64 block, const vfsHDD_Entry& data, const std::string& name)
 	{
 		m_hdd_file.Seek(block * m_hdd_info.block_size);
 		m_hdd_file.Write(&data, sizeof(vfsHDD_Entry));
-		m_hdd_file.Write(name.c_str(), min<size_t>(GetMaxNameLen() - 1, name.Len() + 1));
+		m_hdd_file.Write(name.c_str(), min<size_t>(GetMaxNameLen() - 1, name.length() + 1));
 	}
 
-	bool Create(vfsHDD_EntryType type, const wxString& name)
+	bool Create(vfsHDD_EntryType type, const std::string& name)
 	{
 		if(HasEntry(name))
 		{
@@ -659,7 +663,7 @@ public:
 		return true;
 	}
 
-	bool GetFirstEntry(u64& block, vfsHDD_Entry& entry, wxString& name)
+	bool GetFirstEntry(u64& block, vfsHDD_Entry& entry, std::string& name)
 	{
 		if(!m_cur_dir_block)
 		{
@@ -672,7 +676,7 @@ public:
 		return true;
 	}
 
-	bool GetNextEntry(u64& block, vfsHDD_Entry& entry, wxString& name)
+	bool GetNextEntry(u64& block, vfsHDD_Entry& entry, std::string& name)
 	{
 		if(!block)
 		{
@@ -685,7 +689,7 @@ public:
 		return true;
 	}
 
-	virtual bool Open(const wxString& path, vfsOpenMode mode = vfsRead)
+	virtual bool Open(const std::string& path, vfsOpenMode mode = vfsRead)
 	{
 		const char* s = path.c_str();
 		u64 from = 0;
@@ -705,7 +709,7 @@ public:
 				{
 					if(pos - from > 1)
 					{
-						int res = OpenDir(wxString(s + from, pos));
+						int res = OpenDir(std::string(s + from, pos));
 						if(res == -1)
 						{
 							return false;
@@ -733,7 +737,7 @@ public:
 		}
 
 		u64 file_block;
-		if(!SearchEntry(wxString(s + file_pos), file_block))
+		if(!SearchEntry(std::string(s + file_pos), file_block))
 		{
 			return false;
 		}
@@ -744,7 +748,7 @@ public:
 		return vfsFileBase::Open(path, mode);
 	}
 
-	bool HasEntry(const wxString& name)
+	bool HasEntry(const std::string& name)
 	{
 		u64 file_block;
 		if(!SearchEntry(name, file_block))
@@ -757,7 +761,7 @@ public:
 
 	void RemoveBlocksDir(u64 start_block)
 	{
-		wxString name;
+		std::string name;
 		u64 block = start_block;
 		vfsHDD_Entry entry;
 
@@ -768,7 +772,7 @@ public:
 
 			if(entry.type == vfsHDD_Entry_Dir && name != "." && name != "..")
 			{
-				ConLog.Warning("Removing sub folder '%s'", name.wx_str());
+				ConLog.Warning("Removing sub folder '%s'", name.c_str());
 				RemoveBlocksDir(entry.data_block);
 			}
 			else if(entry.type == vfsHDD_Entry_File)
@@ -794,7 +798,7 @@ public:
 		}
 	}
 
-	bool RemoveEntry(const wxString& name)
+	bool RemoveEntry(const std::string& name)
 	{
 		u64 entry_block, parent_entry;
 		if(!SearchEntry(name, entry_block, &parent_entry))
@@ -824,7 +828,7 @@ public:
 		return true;
 	}
 
-	virtual bool Create(const wxString& path)
+	virtual bool Create(const std::string& path)
 	{
 		return false;
 	}
diff --git a/rpcs3/Emu/Memory/Memory.h b/rpcs3/Emu/Memory/Memory.h
index a7468cb161..e1535e8e82 100644
--- a/rpcs3/Emu/Memory/Memory.h
+++ b/rpcs3/Emu/Memory/Memory.h
@@ -400,27 +400,27 @@ public:
 		*(T*)GetMemFromAddr(addr) = data;
 	}
 
-	wxString ReadString(const u64 addr, const u64 len)
+	std::string ReadString(const u64 addr, const u64 len)
 	{
-		wxString ret(GetMemFromAddr(addr), wxConvUTF8,len);
+		std::string ret((const char *)GetMemFromAddr(addr), len);
 
 		return ret;
 	}
 
-	wxString ReadString(const u64 addr)
+	std::string ReadString(const u64 addr)
 	{
-		return wxString((const char*)GetMemFromAddr(addr), wxConvUTF8);
+		return std::string((const char*)GetMemFromAddr(addr));
 	}
 
-	void WriteString(const u64 addr, const wxString& str)
+	void WriteString(const u64 addr, const std::string& str)
 	{
-		if(!IsGoodAddr(addr, str.Len()))
+		if(!IsGoodAddr(addr, str.length()))
 		{
 			ConLog.Error("Memory::WriteString error: bad address (0x%llx)", addr);
 			return;
 		}
 
-		strcpy((char*)GetMemFromAddr(addr), str);
+		strcpy((char*)GetMemFromAddr(addr), str.c_str());
 	}
 
 	static u64 AlignAddr(const u64 addr, const u64 align)
@@ -488,7 +488,7 @@ public:
 	u8* operator + (const u64 vaddr)
 	{
 		u8* ret = GetMemFromAddr(vaddr);
-		if(!ret) throw wxString::Format("GetMemFromAddr(0x%llx)", vaddr);
+		if(!ret) throw fmt::Format("GetMemFromAddr(0x%llx)", vaddr);
 		return ret;
 	}
 
diff --git a/rpcs3/Emu/SysCalls/Modules.cpp b/rpcs3/Emu/SysCalls/Modules.cpp
index 370ad88004..6e2f6e2f93 100644
--- a/rpcs3/Emu/SysCalls/Modules.cpp
+++ b/rpcs3/Emu/SysCalls/Modules.cpp
@@ -407,57 +407,57 @@ void Module::SetName(const std::string& name)
 	m_name = name;
 }
 
-void Module::Log(const u32 id, wxString fmt, ...)
+void Module::Log(const u32 id, std::string fmt, ...)
 {
 	if(Ini.HLELogging.GetValue())
 	{
 		va_list list;
 		va_start(list, fmt);
-		ConLog.Write(GetName() + wxString::Format("[%d]: ", id).wx_str() + wxString::FormatV(fmt, list).wx_str());
+		ConLog.Write(GetName() + fmt::Format("[%d]: ", id) + fmt::FormatV(fmt, list));
 		va_end(list);
 	}
 }
 
-void Module::Log(wxString fmt, ...)
+void Module::Log(std::string fmt, ...)
 {
 	if(Ini.HLELogging.GetValue())
 	{
 		va_list list;
 		va_start(list, fmt);
-		ConLog.Write(GetName() + ": " + wxString::FormatV(fmt, list).wx_str());
+		ConLog.Write(GetName() + ": " + fmt::FormatV(fmt, list));
 		va_end(list);
 	}
 }
 
-void Module::Warning(const u32 id, wxString fmt, ...)
+void Module::Warning(const u32 id, std::string fmt, ...)
 {
 	va_list list;
 	va_start(list, fmt);
-	ConLog.Warning(GetName() + wxString::Format("[%d] warning: ", id).wx_str() + wxString::FormatV(fmt, list).wx_str());
+	ConLog.Warning(GetName() + fmt::Format("[%d] warning: ", id) + fmt::FormatV(fmt, list));
 	va_end(list);
 }
 
-void Module::Warning(wxString fmt, ...)
+void Module::Warning(std::string fmt, ...)
 {
 	va_list list;
 	va_start(list, fmt);
-	ConLog.Warning(GetName() + " warning: " + wxString::FormatV(fmt, list).wx_str());
+	ConLog.Warning(GetName() + " warning: " + fmt::FormatV(fmt, list));
 	va_end(list);
 }
 
-void Module::Error(const u32 id, wxString fmt, ...)
+void Module::Error(const u32 id, std::string fmt, ...)
 {
 	va_list list;
 	va_start(list, fmt);
-	ConLog.Error(GetName() + wxString::Format("[%d] error: ", id).wx_str() + wxString::FormatV(fmt, list).wx_str());
+	ConLog.Error(GetName() + fmt::Format("[%d] error: ", id) + fmt::FormatV(fmt, list));
 	va_end(list);
 }
 
-void Module::Error(wxString fmt, ...)
+void Module::Error(std::string fmt, ...)
 {
 	va_list list;
 	va_start(list, fmt);
-	ConLog.Error(GetName() + " error: " + wxString::FormatV(fmt, list).wx_str());
+	ConLog.Error(GetName() + " error: " + fmt::FormatV(fmt, list));
 	va_end(list);
 }
 
diff --git a/rpcs3/Emu/SysCalls/Modules.h b/rpcs3/Emu/SysCalls/Modules.h
index 16323dd8e6..71a8e4c13c 100644
--- a/rpcs3/Emu/SysCalls/Modules.h
+++ b/rpcs3/Emu/SysCalls/Modules.h
@@ -71,14 +71,15 @@ public:
 	void SetName(const std::string& name);
 
 public:
-	void Log(const u32 id, wxString fmt, ...);
-	void Log(wxString fmt, ...);
+	//TODO: use variadic function templates here to be able to use string references and forward all arguments without copying
+	void Log(const u32 id, std::string fmt, ...);
+	void Log(std::string fmt, ...);
 
-	void Warning(const u32 id, wxString fmt, ...);
-	void Warning(wxString fmt, ...);
+	void Warning(const u32 id, std::string fmt, ...);
+	void Warning(std::string fmt, ...);
 
-	void Error(const u32 id, wxString fmt, ...);
-	void Error(wxString fmt, ...);
+	void Error(const u32 id, std::string fmt, ...);
+	void Error(std::string fmt, ...);
 
 	bool CheckID(u32 id) const;
 	template<typename T> bool CheckId(u32 id, T*& data)
diff --git a/rpcs3/Emu/SysCalls/Modules/cellFont.cpp b/rpcs3/Emu/SysCalls/Modules/cellFont.cpp
index 8181010427..b8a16cb664 100644
--- a/rpcs3/Emu/SysCalls/Modules/cellFont.cpp
+++ b/rpcs3/Emu/SysCalls/Modules/cellFont.cpp
@@ -308,9 +308,9 @@ int cellFontOpenFontMemory(mem_ptr_t<CellFontLibrary> library, u32 fontAddr, u32
 
 int cellFontOpenFontFile(mem_ptr_t<CellFontLibrary> library, mem8_ptr_t fontPath, u32 subNum, s32 uniqueId, mem_ptr_t<CellFont> font)
 {
-	wxString fp = fontPath.GetString();
+	std::string fp(fontPath.GetString());
 	cellFont.Warning("cellFontOpenFontFile(library_addr=0x%x, fontPath=\"%s\", subNum=%d, uniqueId=%d, font_addr=0x%x)",
-		library.GetAddr(), fp.wx_str(), subNum, uniqueId, font.GetAddr());
+		library.GetAddr(), fp.c_str(), subNum, uniqueId, font.GetAddr());
 
 	vfsFile f(fp);
 	if (!f.IsOpened())
diff --git a/rpcs3/Emu/SysCalls/Modules/cellGame.cpp b/rpcs3/Emu/SysCalls/Modules/cellGame.cpp
index fed9c0dc34..632fab7c91 100644
--- a/rpcs3/Emu/SysCalls/Modules/cellGame.cpp
+++ b/rpcs3/Emu/SysCalls/Modules/cellGame.cpp
@@ -305,9 +305,9 @@ int cellGameContentErrorDialog(s32 type, s32 errNeedSizeKB, u32 dirName_addr)
 		default: return CELL_GAME_ERROR_PARAM;
 	}
 
-	std::string errorMsg = wxString::Format("%s\nSpace needed: %d KB\nDirectory name: %s",
-		wxString(errorName).wx_str(), errNeedSizeKB, wxString(dirName).wx_str()).ToStdString();
-	wxMessageBox(errorMsg, wxGetApp().GetAppName(), wxICON_ERROR | wxOK);
+	std::string errorMsg = fmt::Format("%s\nSpace needed: %d KB\nDirectory name: %s",
+		errorName.c_str(), errNeedSizeKB, dirName);
+	wxMessageBox(fmt::FromUTF8(errorMsg), wxGetApp().GetAppName(), wxICON_ERROR | wxOK);
 	return CELL_OK;
 }
 
diff --git a/rpcs3/Emu/SysCalls/Modules/cellL10n.cpp b/rpcs3/Emu/SysCalls/Modules/cellL10n.cpp
index 207006b0ca..c220409996 100644
--- a/rpcs3/Emu/SysCalls/Modules/cellL10n.cpp
+++ b/rpcs3/Emu/SysCalls/Modules/cellL10n.cpp
@@ -63,7 +63,7 @@ int jstrchk(mem8_ptr_t jstr)
 	if (!jstr.IsGood())
 		cellL10n.Error("jstrchk(jstr_addr=0x%x): invalid address", jstr.GetAddr());
 	else if (jstr[0])
-		cellL10n.Log("jstrchk(jstr_addr=0x%x): utf-8: [%s]", jstr.GetAddr(), Memory.ReadString(jstr.GetAddr()).wx_str());
+		cellL10n.Log("jstrchk(jstr_addr=0x%x): utf-8: [%s]", jstr.GetAddr(), Memory.ReadString(jstr.GetAddr()).c_str());
 	else
 		cellL10n.Log("jstrchk(jstr_addr=0x%x): empty string", jstr.GetAddr());
 
diff --git a/rpcs3/Emu/SysCalls/Modules/cellResc.cpp b/rpcs3/Emu/SysCalls/Modules/cellResc.cpp
index 99fc56d3ed..6971894250 100644
--- a/rpcs3/Emu/SysCalls/Modules/cellResc.cpp
+++ b/rpcs3/Emu/SysCalls/Modules/cellResc.cpp
@@ -737,7 +737,7 @@ int cellRescSetBufferAddress(mem32_t colorBuffers, mem32_t vertexArray, mem32_t
 	s_rescInternalInstance->m_fragmentUcodeEA_addr = fragmentShader.GetAddr();
 
 	MemoryAllocator<be_t<u32>> dstOffset;
-	cellGcmAddressToOffset(s_rescInternalInstance->m_colorBuffersEA_addr, dstOffset);
+	cellGcmAddressToOffset(s_rescInternalInstance->m_colorBuffersEA_addr, dstOffset.GetAddr());
 
 	for(int i=0; i<GetNumColorBuffers(); i++)
 	{
diff --git a/rpcs3/Emu/SysCalls/Modules/cellRtc.cpp b/rpcs3/Emu/SysCalls/Modules/cellRtc.cpp
index 9162c06cb7..9b2798fc0f 100644
--- a/rpcs3/Emu/SysCalls/Modules/cellRtc.cpp
+++ b/rpcs3/Emu/SysCalls/Modules/cellRtc.cpp
@@ -78,7 +78,7 @@ int cellRtcFormatRfc2822(u32 rfc_addr, u32 tick_addr, int time_zone)
 	date.Add(tz);
 
 	// Format date string in RFC2822 format (e.g.: Mon, 01 Jan 1990 12:00:00 +0000).
-	const wxString& str = date.Format("%a, %d %b %Y %T %z", wxDateTime::TZ::UTC);
+	const std::string& str = fmt::ToUTF8(date.Format("%a, %d %b %Y %T %z", wxDateTime::TZ::UTC));
 	Memory.WriteString(rfc_addr, str);
 
 	return CELL_OK;
@@ -94,7 +94,7 @@ int cellRtcFormatRfc2822LocalTime(u32 rfc_addr, u32 tick_addr)
 	wxDateTime date = wxDateTime::wxDateTime((time_t)current_tick.tick);
 
 	// Format date string in RFC2822 format (e.g.: Mon, 01 Jan 1990 12:00:00 +0000).
-	const wxString& str = date.Format("%a, %d %b %Y %T %z", wxDateTime::TZ::Local);
+	const std::string& str = fmt::ToUTF8(date.Format("%a, %d %b %Y %T %z", wxDateTime::TZ::Local));
 	Memory.WriteString(rfc_addr, str);
 
 	return CELL_OK;
@@ -114,7 +114,7 @@ int cellRtcFormatRfc3339(u32 rfc_addr, u32 tick_addr, int time_zone)
 	date.Add(tz);
 
 	// Format date string in RFC3339 format (e.g.: 1990-01-01T12:00:00.00Z).
-	const wxString& str = date.Format("%FT%T.%zZ", wxDateTime::TZ::UTC);
+	const std::string& str = fmt::ToUTF8(date.Format("%FT%T.%zZ", wxDateTime::TZ::UTC));
 	Memory.WriteString(rfc_addr, str);
 
 	return CELL_OK;
@@ -130,7 +130,7 @@ int cellRtcFormatRfc3339LocalTime(u32 rfc_addr, u32 tick_addr)
 	wxDateTime date = wxDateTime::wxDateTime((time_t)current_tick.tick);
 	
 	// Format date string in RFC3339 format (e.g.: 1990-01-01T12:00:00.00Z).
-	const wxString& str = date.Format("%FT%T.%zZ", wxDateTime::TZ::Local);
+	const std::string& str = fmt::ToUTF8(date.Format("%FT%T.%zZ", wxDateTime::TZ::Local));
 	Memory.WriteString(rfc_addr, str);
 
 	return CELL_OK;
@@ -140,11 +140,11 @@ int cellRtcParseDateTime(mem64_t tick, u32 datetime_addr)
 {
 	cellRtc.Log("cellRtcParseDateTime(tick_addr=0x%x, datetime_addr=0x%x)", tick.GetAddr(), datetime_addr);
 
-	const wxString& format = Memory.ReadString(datetime_addr);
+	const std::string& format = Memory.ReadString(datetime_addr);
 
 	// Get date from formatted string.
 	wxDateTime date;
-	date.ParseDateTime(format);
+	date.ParseDateTime(fmt::FromUTF8(format));
 
 	tick = date.GetTicks();
 
@@ -155,11 +155,11 @@ int cellRtcParseRfc3339(mem64_t tick, u32 datetime_addr)
 {
 	cellRtc.Log("cellRtcParseRfc3339(tick_addr=0x%x, datetime_addr=0x%x)", tick.GetAddr(), datetime_addr);
 
-	const wxString& format = Memory.ReadString(datetime_addr);
+	const std::string& format = Memory.ReadString(datetime_addr);
 
 	// Get date from RFC3339 formatted string.
 	wxDateTime date;
-	date.ParseDateTime(format);
+	date.ParseDateTime(fmt::FromUTF8(format));
 
 	tick = date.GetTicks();
 
diff --git a/rpcs3/Emu/SysCalls/Modules/cellSpurs.cpp b/rpcs3/Emu/SysCalls/Modules/cellSpurs.cpp
index 71bade3785..ce7bea7233 100644
--- a/rpcs3/Emu/SysCalls/Modules/cellSpurs.cpp
+++ b/rpcs3/Emu/SysCalls/Modules/cellSpurs.cpp
@@ -95,7 +95,7 @@ int cellSpursAttributeSetNamePrefix(mem_ptr_t<CellSpursAttribute> attr, const me
 	if(size > 15)
 		return CELL_SPURS_CORE_ERROR_INVAL;
 
-	attr->attr->_setNamePrefix(Memory.ReadString(prefix.GetAddr(), size), size);
+	attr->attr->_setNamePrefix(Memory.ReadString(prefix.GetAddr(), size).c_str(), size);
 
 	return CELL_OK;
 }
diff --git a/rpcs3/Emu/SysCalls/Modules/cellSysmodule.cpp b/rpcs3/Emu/SysCalls/Modules/cellSysmodule.cpp
index a1874ebf97..a7f435a56e 100644
--- a/rpcs3/Emu/SysCalls/Modules/cellSysmodule.cpp
+++ b/rpcs3/Emu/SysCalls/Modules/cellSysmodule.cpp
@@ -162,7 +162,7 @@ int cellSysmoduleLoadModule(u16 id)
 	{
 		cellSysmodule.Error("cellSysmoduleLoadModule: TODO: CELL_SYSMODULE_LIBATRAC3MULTI");
 	}
-	cellSysmodule.Warning("cellSysmoduleLoadModule(%s)", wxString(getModuleName(id)).wx_str());
+	cellSysmodule.Warning("cellSysmoduleLoadModule(%s)", getModuleName(id));
 	Module* m = GetModuleById(id);
 
 	if(!m)
@@ -181,7 +181,7 @@ int cellSysmoduleLoadModule(u16 id)
 
 int cellSysmoduleUnloadModule(u16 id)
 {
-	cellSysmodule.Warning("cellSysmoduleUnloadModule(%s)", wxString(getModuleName(id)).wx_str());
+	cellSysmodule.Warning("cellSysmoduleUnloadModule(%s)", getModuleName(id));
 	Module* m = GetModuleById(id);
 
 	if(!m)
@@ -200,7 +200,7 @@ int cellSysmoduleUnloadModule(u16 id)
 
 int cellSysmoduleIsLoaded(u16 id)
 {
-	cellSysmodule.Warning("cellSysmoduleIsLoaded(%s)", wxString(getModuleName(id)).wx_str());
+	cellSysmodule.Warning("cellSysmoduleIsLoaded(%s)", getModuleName(id));
 	Module* m = GetModuleById(id);
 
 	if(!m)
diff --git a/rpcs3/Emu/SysCalls/Modules/cellSysutil.cpp b/rpcs3/Emu/SysCalls/Modules/cellSysutil.cpp
index 40141a8d91..fdbe6b0a4f 100644
--- a/rpcs3/Emu/SysCalls/Modules/cellSysutil.cpp
+++ b/rpcs3/Emu/SysCalls/Modules/cellSysutil.cpp
@@ -794,7 +794,7 @@ public:
 	virtual wxDirTraverseResult OnFile(const wxString& filename)
 	{
 		if (!wxRemoveFile(filename)){
-			cellSysutil.Error("Couldn't delete File: %s", filename.wx_str());
+			cellSysutil.Error("Couldn't delete File: %s", fmt::ToUTF8(filename).c_str());
 		}
 		return wxDIR_CONTINUE;
 	}
@@ -816,11 +816,13 @@ int cellSysCacheClear(void)
 	//if some software expects CELL_SYSCACHE_ERROR_NOTMOUNTED we need to check whether
 	//it was mounted before, for that we would need to save the state which I don't know
 	//where to put
-	wxString localPath;
-	Emu.GetVFS().GetDevice(wxString("/dev_hdd1/cache/"), localPath);
-	if (wxDirExists(localPath)){
+	std::string localPath;
+	Emu.GetVFS().GetDevice(std::string("/dev_hdd1/cache/"), localPath);
+	
+	//TODO: replace wxWidgetsSpecific filesystem stuff
+	if (wxDirExists(fmt::FromUTF8(localPath))){
 		WxDirDeleteTraverser deleter;
-		wxString f = wxFindFirstFile(localPath+"\\*",wxDIR);
+		wxString f = wxFindFirstFile(fmt::FromUTF8(localPath+"\\*"),wxDIR);
 		while (!f.empty())
 		{
 			wxDir dir(f);
@@ -840,7 +842,8 @@ int cellSysCacheMount(mem_ptr_t<CellSysCacheParam> param)
 	char id[CELL_SYSCACHE_ID_SIZE];
 	strncpy(id, param->cacheId, CELL_SYSCACHE_ID_SIZE);
 	strncpy(param->getCachePath, ("/dev_hdd1/cache/" + std::string(id) + "/").c_str(), CELL_SYSCACHE_PATH_MAX);
-	Emu.GetVFS().CreateDir(wxString(param->getCachePath));
+	param->getCachePath[CELL_SYSCACHE_PATH_MAX - 1] = '\0';
+	Emu.GetVFS().CreateDir(std::string(param->getCachePath));
 
 	return CELL_SYSCACHE_RET_OK_RELAYED;
 }
@@ -853,7 +856,7 @@ int cellHddGameCheck(u32 version, u32 dirName_addr, u32 errDialog, mem_func_ptr_
 	if (!Memory.IsGoodAddr(dirName_addr) || !funcStat.IsGood())
 		return CELL_HDDGAME_ERROR_PARAM;
 
-	std::string dirName = Memory.ReadString(dirName_addr).ToStdString();
+	std::string dirName = Memory.ReadString(dirName_addr);
 	if (dirName.size() != 9)
 		return CELL_HDDGAME_ERROR_PARAM;
 
@@ -890,14 +893,17 @@ int cellHddGameCheck(u32 version, u32 dirName_addr, u32 errDialog, mem_func_ptr_
 		get->getParam.attribute = psf.GetInteger("ATTRIBUTE");
 		get->getParam.resolution = psf.GetInteger("RESOLUTION");
 		get->getParam.soundFormat = psf.GetInteger("SOUND_FORMAT");
-		memcpy(get->getParam.title, psf.GetString("TITLE"), CELL_HDDGAME_SYSP_TITLE_SIZE);
-		memcpy(get->getParam.dataVersion, psf.GetString("APP_VER"), CELL_HDDGAME_SYSP_VERSION_SIZE);
-		memcpy(get->getParam.titleId, dirName.c_str(), CELL_HDDGAME_SYSP_TITLEID_SIZE);
+		std::string title = psf.GetString("TITLE");
+		memcpy(get->getParam.title, title.c_str(), min<size_t>(CELL_HDDGAME_SYSP_TITLE_SIZE,title.length()+1));
+		std::string app_ver = psf.GetString("APP_VER");
+		memcpy(get->getParam.dataVersion, app_ver.c_str(), min<size_t>(CELL_HDDGAME_SYSP_VERSION_SIZE,app_ver.length()+1));
+		memcpy(get->getParam.titleId, dirName.c_str(), min<size_t>(CELL_HDDGAME_SYSP_TITLEID_SIZE,dirName.length()+1));
 
 		for (u32 i=0; i<CELL_HDDGAME_SYSP_LANGUAGE_NUM; i++) {
 			char key [16];
 			sprintf(key, "TITLE_%02d", i);
-			memcpy(get->getParam.titleLang[i], psf.GetString(key), CELL_HDDGAME_SYSP_TITLE_SIZE);
+			title = psf.GetString(key);
+			memcpy(get->getParam.titleLang[i], title.c_str(), min<size_t>(CELL_HDDGAME_SYSP_TITLE_SIZE, title.length() + 1));
 		}
 	}
 
diff --git a/rpcs3/Emu/SysCalls/Modules/cellSysutil_SaveData.cpp b/rpcs3/Emu/SysCalls/Modules/cellSysutil_SaveData.cpp
index 6fe5e52b86..1e9a2f8375 100644
--- a/rpcs3/Emu/SysCalls/Modules/cellSysutil_SaveData.cpp
+++ b/rpcs3/Emu/SysCalls/Modules/cellSysutil_SaveData.cpp
@@ -63,7 +63,7 @@ void addSaveDataEntry(std::vector<SaveDataListEntry>& saveEntries, const std::st
 		return;
 
 	// PNG icon
-	wxString localPath;
+	std::string localPath;
 	int width, height, actual_components;
 	Emu.GetVFS().GetDevice(saveDir + "/ICON0.PNG", localPath);
 
@@ -77,7 +77,7 @@ void addSaveDataEntry(std::vector<SaveDataListEntry>& saveEntries, const std::st
 	saveEntry.st_atime_ = 0; // TODO
 	saveEntry.st_mtime_ = 0; // TODO
 	saveEntry.st_ctime_ = 0; // TODO
-	saveEntry.iconBuf = stbi_load(localPath.mb_str(), &width, &height, &actual_components, 3);
+	saveEntry.iconBuf = stbi_load(localPath.c_str(), &width, &height, &actual_components, 3);
 	saveEntry.iconBufSize = width * height * 3;
 	saveEntry.isNew = false;
 
@@ -229,11 +229,11 @@ int cellSaveDataListSave2(u32 version, mem_ptr_t<CellSaveDataSetList> setList, m
 	if(!dir.IsOpened())
 		return CELL_SAVEDATA_ERROR_INTERNAL;
 
-	std::string dirNamePrefix = std::string(Memory.ReadString(setList->dirNamePrefix_addr).mb_str());
+	std::string dirNamePrefix = Memory.ReadString(setList->dirNamePrefix_addr);
 	std::vector<SaveDataListEntry> saveEntries;
 	for(const DirEntryInfo* entry = dir.Read(); entry; entry = dir.Read())
 	{
-		if (entry->flags & DirEntry_TypeDir || entry->name.Left(dirNamePrefix.size()) == dirNamePrefix)
+		if (entry->flags & DirEntry_TypeDir || entry->name.substr(0,dirNamePrefix.size()) == dirNamePrefix)
 		{
 			// Count the amount of matches and the amount of listed directories
 			listGet->dirListNum++;
@@ -241,7 +241,7 @@ int cellSaveDataListSave2(u32 version, mem_ptr_t<CellSaveDataSetList> setList, m
 				continue;
 			listGet->dirNum++;
 
-			std::string saveDir = saveBaseDir + (const char*)(entry->name.mb_str());
+			std::string saveDir = saveBaseDir + entry->name;
 			addSaveDataEntry(saveEntries, saveDir);
 		}
 	}
@@ -322,11 +322,11 @@ int cellSaveDataListLoad2(u32 version, mem_ptr_t<CellSaveDataSetList> setList, m
 	if(!dir.IsOpened())
 		return CELL_SAVEDATA_ERROR_INTERNAL;
 
-	std::string dirNamePrefix = std::string(Memory.ReadString(setList->dirNamePrefix_addr).mb_str());
+	std::string dirNamePrefix = Memory.ReadString(setList->dirNamePrefix_addr);
 	std::vector<SaveDataListEntry> saveEntries;
 	for(const DirEntryInfo* entry = dir.Read(); entry; entry = dir.Read())
 	{
-		if (entry->flags & DirEntry_TypeDir || entry->name.Left(dirNamePrefix.size()) == dirNamePrefix)
+		if (entry->flags & DirEntry_TypeDir || entry->name.substr(0,dirNamePrefix.size()) == dirNamePrefix)
 		{
 			// Count the amount of matches and the amount of listed directories
 			listGet->dirListNum++;
@@ -334,7 +334,7 @@ int cellSaveDataListLoad2(u32 version, mem_ptr_t<CellSaveDataSetList> setList, m
 				continue;
 			listGet->dirNum++;
 
-			std::string saveDir = saveBaseDir + (const char*)(entry->name.mb_str());
+			std::string saveDir = saveBaseDir + entry->name;
 			addSaveDataEntry(saveEntries, saveDir);
 		}
 	}
diff --git a/rpcs3/Emu/SysCalls/Modules/sceNp.cpp b/rpcs3/Emu/SysCalls/Modules/sceNp.cpp
index 5a9319dc1a..d14f440b24 100644
--- a/rpcs3/Emu/SysCalls/Modules/sceNp.cpp
+++ b/rpcs3/Emu/SysCalls/Modules/sceNp.cpp
@@ -23,7 +23,7 @@ int sceNpDrmIsAvailable(u32 k_licensee_addr, u32 drm_path_addr)
 {
 	sceNp.Warning("sceNpDrmIsAvailable(k_licensee_addr=0x%x, drm_path_addr=0x%x)", k_licensee_addr, drm_path_addr);
 
-	wxString drm_path = Memory.ReadString(drm_path_addr);
+	wxString drm_path = fmt::FromUTF8(Memory.ReadString(drm_path_addr));
 	wxString k_licensee_str;
 	u8 k_licensee[0x10];
 	for(int i = 0; i < 0x10; i++)
@@ -32,8 +32,8 @@ int sceNpDrmIsAvailable(u32 k_licensee_addr, u32 drm_path_addr)
 		k_licensee_str += wxString::Format("%02x", k_licensee[i]);
 	}
 
-	sceNp.Warning("sceNpDrmIsAvailable: Found DRM license file at %s", drm_path.wx_str());
-	sceNp.Warning("sceNpDrmIsAvailable: Using k_licensee 0x%s", k_licensee_str.wx_str());
+	sceNp.Warning("sceNpDrmIsAvailable: Found DRM license file at %s", fmt::ToUTF8(drm_path).c_str());
+	sceNp.Warning("sceNpDrmIsAvailable: Using k_licensee 0x%s", fmt::ToUTF8(k_licensee_str).c_str());
 
 	// Set the necessary file paths.
 	wxString drm_file_name = drm_path.AfterLast('/'); 
@@ -46,7 +46,7 @@ int sceNpDrmIsAvailable(u32 k_licensee_addr, u32 drm_path_addr)
 	wxString rap_file_path = rap_dir_path;
 	
 	// Search dev_usb000 for a compatible RAP file. 
-	vfsDir *raps_dir = new vfsDir(rap_dir_path);
+	vfsDir *raps_dir = new vfsDir(fmt::ToUTF8(rap_dir_path));
 	if (!raps_dir->IsOpened())
 		sceNp.Warning("sceNpDrmIsAvailable: Can't find RAP file for DRM!");
 	else
@@ -54,9 +54,9 @@ int sceNpDrmIsAvailable(u32 k_licensee_addr, u32 drm_path_addr)
 		Array<DirEntryInfo> entries = raps_dir->GetEntries();
 		for (unsigned int i = 0; i < entries.GetCount(); i++)
 		{
-			if (entries[i].name.Contains(titleID))
+			if (entries[i].name.find(fmt::ToUTF8(titleID)) != std::string::npos )
 			{
-				rap_file_path += entries[i].name;
+				rap_file_path += fmt::FromUTF8(entries[i].name);
 				break;
 			}
 		}
@@ -68,7 +68,7 @@ int sceNpDrmIsAvailable(u32 k_licensee_addr, u32 drm_path_addr)
 		wxMkdir(wxGetCwd() + "/dev_hdd1/" + titleID);
 
 	// Decrypt this EDAT using the supplied k_licensee and matching RAP file.
-	DecryptEDAT(enc_drm_path.ToStdString(), dec_drm_path.ToStdString(), 8, rap_file_path.ToStdString(), k_licensee, false);
+	DecryptEDAT(fmt::ToUTF8(enc_drm_path), fmt::ToUTF8(dec_drm_path), 8, fmt::ToUTF8(rap_file_path), k_licensee, false);
 
 	return CELL_OK;
 }
diff --git a/rpcs3/Emu/SysCalls/Modules/sceNpTrophy.cpp b/rpcs3/Emu/SysCalls/Modules/sceNpTrophy.cpp
index 1e137e562e..77a71f81c7 100644
--- a/rpcs3/Emu/SysCalls/Modules/sceNpTrophy.cpp
+++ b/rpcs3/Emu/SysCalls/Modules/sceNpTrophy.cpp
@@ -10,6 +10,8 @@
 #include "Loader/TROPUSR.h"
 #include "Emu/SysCalls/lv2/SC_Time.h"
 
+#include <algorithm>
+
 void sceNpTrophy_unload();
 void sceNpTrophy_init();
 Module sceNpTrophy(0xf035, sceNpTrophy_init, nullptr, sceNpTrophy_unload);
@@ -225,25 +227,25 @@ int sceNpTrophyGetGameInfo(u32 context, u32 handle, mem_ptr_t<SceNpTrophyGameDet
 		return SCE_NP_TROPHY_ERROR_INVALID_ARGUMENT;
 	// TODO: There are other possible errors
 
-	wxString path;
+	std::string path;
 	wxXmlDocument doc;
 	sceNpTrophyInternalContext& ctxt = s_npTrophyInstance.contexts[context];
 	Emu.GetVFS().GetDevice("/dev_hdd0/home/00000001/trophy/" + ctxt.trp_name + "/TROPCONF.SFM", path);  // TODO: Get the path of the current user
-	doc.Load(path);
+	doc.Load(fmt::FromUTF8(path));
 
 	std::string titleName;
 	std::string titleDetail;
 	for (wxXmlNode *n = doc.GetRoot()->GetChildren(); n; n = n->GetNext()) {
 		if (n->GetName() == "title-name")
-			titleName = n->GetNodeContent().mb_str();
+			titleName = fmt::ToUTF8(n->GetNodeContent());
 		if (n->GetName() == "title-detail")
-			titleDetail = n->GetNodeContent().mb_str();
+			titleDetail = fmt::ToUTF8(n->GetNodeContent());
 		if (n->GetName() == "trophy")
 		{
-			u32 trophy_id = atoi(n->GetAttribute("id").mb_str());
+			u32 trophy_id = atoi(fmt::ToUTF8(n->GetAttribute("id")).c_str());
 			
 			details->numTrophies++;
-			switch (((const char *)n->GetAttribute("ttype").mb_str())[0]) {
+			switch (fmt::ToUTF8(n->GetAttribute("ttype"))[0]) {
 			case 'B': details->numBronze++;   break;
 			case 'S': details->numSilver++;   break;
 			case 'G': details->numGold++;     break;
@@ -253,7 +255,7 @@ int sceNpTrophyGetGameInfo(u32 context, u32 handle, mem_ptr_t<SceNpTrophyGameDet
 			if (ctxt.tropusr->GetTrophyUnlockState(trophy_id))
 			{
 				data->unlockedTrophies++;
-				switch (((const char *)n->GetAttribute("ttype").mb_str())[0]) {
+				switch (fmt::ToUTF8(n->GetAttribute("ttype"))[0]) {
 				case 'B': data->unlockedBronze++;   break;
 				case 'S': data->unlockedSilver++;   break;
 				case 'G': data->unlockedGold++;     break;
@@ -263,8 +265,8 @@ int sceNpTrophyGetGameInfo(u32 context, u32 handle, mem_ptr_t<SceNpTrophyGameDet
 		}
 	}
 
-	memcpy(details->title, titleName.c_str(), SCE_NP_TROPHY_NAME_MAX_SIZE);
-	memcpy(details->description, titleDetail.c_str(), SCE_NP_TROPHY_DESCR_MAX_SIZE);
+	memcpy(details->title, titleName.c_str(), std::min((size_t) SCE_NP_TROPHY_NAME_MAX_SIZE, titleName.length() + 1));
+	memcpy(details->description, titleDetail.c_str(), std::min((size_t) SCE_NP_TROPHY_DESCR_MAX_SIZE, titleDetail.length() + 1));
 	return CELL_OK;
 }
 
@@ -352,33 +354,33 @@ int sceNpTrophyGetTrophyInfo(u32 context, u32 handle, s32 trophyId, mem_ptr_t<Sc
 		return SCE_NP_TROPHY_ERROR_INVALID_ARGUMENT;
 	// TODO: There are other possible errors
 
-	wxString path;
+	std::string path;
 	wxXmlDocument doc;
 	sceNpTrophyInternalContext& ctxt = s_npTrophyInstance.contexts[context];
 	Emu.GetVFS().GetDevice("/dev_hdd0/home/00000001/trophy/" + ctxt.trp_name + "/TROPCONF.SFM", path);  // TODO: Get the path of the current user
-	doc.Load(path);
+	doc.Load(fmt::FromUTF8(path));
 
 	std::string name;
 	std::string detail;
 	for (wxXmlNode *n = doc.GetRoot()->GetChildren(); n; n = n->GetNext()) {
-		if (n->GetName() == "trophy" && (trophyId == atoi(n->GetAttribute("id").mb_str())))
+		if (n->GetName() == "trophy" && (trophyId == atoi(fmt::ToUTF8(n->GetAttribute("id")).c_str())))
 		{
 			details->trophyId = trophyId;
-			switch (((const char *)n->GetAttribute("ttype").mb_str())[0]) {
+			switch (fmt::ToUTF8(n->GetAttribute("ttype"))[0]) {
 			case 'B': details->trophyGrade = SCE_NP_TROPHY_GRADE_BRONZE;   break;
 			case 'S': details->trophyGrade = SCE_NP_TROPHY_GRADE_SILVER;   break;
 			case 'G': details->trophyGrade = SCE_NP_TROPHY_GRADE_GOLD;     break;
 			case 'P': details->trophyGrade = SCE_NP_TROPHY_GRADE_PLATINUM; break;
 			}
 
-			switch (((const char *)n->GetAttribute("ttype").mb_str())[0]) {
+			switch (fmt::ToUTF8(n->GetAttribute("ttype"))[0]) {
 			case 'y': details->hidden = true;  break;
 			case 'n': details->hidden = false; break;
 			}
 
 			for (wxXmlNode *n2 = n->GetChildren(); n2; n2 = n2->GetNext()) {
-				if (n2->GetName() == "name")   name = n2->GetNodeContent().mb_str();
-				if (n2->GetName() == "detail") detail = n2->GetNodeContent().mb_str();
+				if (n2->GetName() == "name")   name = fmt::ToUTF8(n2->GetNodeContent());
+				if (n2->GetName() == "detail") detail = fmt::ToUTF8(n2->GetNodeContent());
 			}
 
 			data->trophyId = trophyId;
@@ -387,8 +389,8 @@ int sceNpTrophyGetTrophyInfo(u32 context, u32 handle, s32 trophyId, mem_ptr_t<Sc
 		}		
 	}
 
-	memcpy(details->name, name.c_str(), SCE_NP_TROPHY_NAME_MAX_SIZE);
-	memcpy(details->description, detail.c_str(), SCE_NP_TROPHY_DESCR_MAX_SIZE);
+	memcpy(details->name, name.c_str(), std::min((size_t) SCE_NP_TROPHY_NAME_MAX_SIZE, name.length() + 1));
+	memcpy(details->description, detail.c_str(), std::min((size_t) SCE_NP_TROPHY_DESCR_MAX_SIZE, detail.length() + 1));
 	return CELL_OK;
 }
 
diff --git a/rpcs3/Emu/SysCalls/Modules/sysPrxForUser.cpp b/rpcs3/Emu/SysCalls/Modules/sysPrxForUser.cpp
index ca91624905..b485a1ccbb 100644
--- a/rpcs3/Emu/SysCalls/Modules/sysPrxForUser.cpp
+++ b/rpcs3/Emu/SysCalls/Modules/sysPrxForUser.cpp
@@ -54,9 +54,9 @@ s64 sys_prx_exitspawn_with_level()
 
 s64 sys_strlen(u32 addr)
 {
-	const wxString& str = Memory.ReadString(addr);
-	sysPrxForUser.Log("sys_strlen(0x%x - \"%s\")", addr, str.wx_str());
-	return str.Len();
+	const std::string& str = Memory.ReadString(addr);
+	sysPrxForUser.Log("sys_strlen(0x%x - \"%s\")", addr, str.c_str());
+	return str.length();
 }
 
 int sys_spu_elf_get_information(u32 elf_img, mem32_t entry, mem32_t nseg)
@@ -100,14 +100,14 @@ int sys_spu_image_close(mem_ptr_t<sys_spu_image> img)
 
 int sys_raw_spu_load(int id, u32 path_addr, mem32_t entry)
 {
-	const wxString path = Memory.ReadString(path_addr).wx_str();
+	const std::string path = Memory.ReadString(path_addr);
 	sysPrxForUser.Warning("sys_raw_spu_load(id=0x%x, path=0x%x [%s], entry_addr=0x%x)", 
-		id, path_addr, path.wx_str(), entry.GetAddr());
+		id, path_addr, path.c_str(), entry.GetAddr());
 
 	vfsFile f(path);
 	if(!f.IsOpened())
 	{
-		sysPrxForUser.Error("sys_raw_spu_load error: '%s' not found!", path.wx_str());
+		sysPrxForUser.Error("sys_raw_spu_load error: '%s' not found!", path.c_str());
 		return CELL_ENOENT;
 	}
 
diff --git a/rpcs3/Emu/SysCalls/Modules/sys_fs.cpp b/rpcs3/Emu/SysCalls/Modules/sys_fs.cpp
index f37f2f1723..5cfd8acccb 100644
--- a/rpcs3/Emu/SysCalls/Modules/sys_fs.cpp
+++ b/rpcs3/Emu/SysCalls/Modules/sys_fs.cpp
@@ -31,20 +31,20 @@ bool sdata_check(u32 version, u32 flags, u64 filesizeInput, u64 filesizeTmp)
 	return true;
 }
 
-int sdata_unpack(wxString packed_file, wxString unpacked_file)
+int sdata_unpack(const std::string& packed_file, const std::string& unpacked_file)
 {
 	std::shared_ptr<vfsFileBase> packed_stream(Emu.GetVFS().OpenFile(packed_file, vfsRead));
 	std::shared_ptr<vfsFileBase> unpacked_stream(Emu.GetVFS().OpenFile(unpacked_file, vfsWrite));
 	
 	if(!packed_stream || !packed_stream->IsOpened())
 	{
-		sys_fs.Error("'%s' not found! flags: 0x%08x", packed_file.wx_str(), vfsRead);
+		sys_fs.Error("'%s' not found! flags: 0x%08x", packed_file.c_str(), vfsRead);
 		return CELL_ENOENT;
 	}
 
 	if(!unpacked_stream || !unpacked_stream->IsOpened())
 	{
-		sys_fs.Error("'%s' couldn't be created! flags: 0x%08x", unpacked_file.wx_str(), vfsWrite);
+		sys_fs.Error("'%s' couldn't be created! flags: 0x%08x", unpacked_file.c_str(), vfsWrite);
 		return CELL_ENOENT;
 	}
 
@@ -108,9 +108,9 @@ int sdata_unpack(wxString packed_file, wxString unpacked_file)
 
 int cellFsSdataOpen(u32 path_addr, int flags, mem32_t fd, mem32_t arg, u64 size)
 {
-	const wxString& path = Memory.ReadString(path_addr);
+	const std::string& path = Memory.ReadString(path_addr);
 	sys_fs.Warning("cellFsSdataOpen(path=\"%s\", flags=0x%x, fd_addr=0x%x, arg_addr=0x%x, size=0x%llx)",
-		path.wx_str(), flags, fd.GetAddr(), arg.GetAddr(), size);
+		path.c_str(), flags, fd.GetAddr(), arg.GetAddr(), size);
 
 	if (!fd.IsGood() || (!arg.IsGood() && size))
 		return CELL_EFAULT;
@@ -118,10 +118,13 @@ int cellFsSdataOpen(u32 path_addr, int flags, mem32_t fd, mem32_t arg, u64 size)
 	if (flags != CELL_O_RDONLY)
 		return CELL_EINVAL;
 
-	if (!path.Lower().EndsWith(".sdat"))
+	std::string suffix = path.substr(path.length() - 5, 4);
+	if (suffix != ".sdat" && suffix != ".SDAT")
 		return CELL_ENOTSDATA;
 
-	wxString unpacked_path = "/dev_hdd1/"+path.AfterLast('/')+".unpacked";
+	std::string::size_type last_slash = path.rfind('/'); //TODO: use a filesystem library to solve this more robustly
+	last_slash = last_slash == std::string::npos ? 0 : last_slash+1;
+	std::string unpacked_path = "/dev_hdd1/"+path.substr(last_slash,path.length()-last_slash)+".unpacked";
 	int ret = sdata_unpack(path, unpacked_path);
 	if (ret) return ret;
 
@@ -149,7 +152,16 @@ void fsAioRead(u32 fd, mem_ptr_t<CellFsAio> aio, int xid, mem_func_ptr_t<void (*
 	vfsFileBase* orig_file;
 	if(!sys_fs.CheckId(fd, orig_file)) return;
 
-	const wxString path = orig_file->GetPath().AfterFirst('/');
+	std::string path = orig_file->GetPath();
+	std::string::size_type first_slash = path.find('/');
+	if (first_slash == std::string::npos)
+	{
+		path = "";
+	}
+	else
+	{
+		path = path.substr(first_slash+1,std::string::npos);
+	}
 
 	u64 nbytes = aio->size;
 	u32 buf_addr = aio->buf_addr;
@@ -204,7 +216,7 @@ fin:
 	file.Seek(old_pos);
 
 	ConLog.Warning("*** fsAioRead(fd=%d, offset=0x%llx, buf_addr=0x%x, size=0x%x, error=0x%x, res=0x%x, xid=0x%x [%s])",
-		fd, (u64)aio->offset, buf_addr, (u64)aio->size, error, res, xid, path.wx_str());
+		fd, (u64)aio->offset, buf_addr, (u64)aio->size, error, res, xid, path.c_str());
 
 	if (func) // start callback thread
 	{
@@ -257,16 +269,16 @@ int cellFsAioRead(mem_ptr_t<CellFsAio> aio, mem32_t aio_id, mem_func_ptr_t<void
 
 int cellFsAioInit(mem8_ptr_t mount_point)
 {
-	wxString mp = Memory.ReadString(mount_point.GetAddr());
-	sys_fs.Warning("cellFsAioInit(mount_point_addr=0x%x (%s))", mount_point.GetAddr(), mp.wx_str());
+	std::string mp = Memory.ReadString(mount_point.GetAddr());
+	sys_fs.Warning("cellFsAioInit(mount_point_addr=0x%x (%s))", mount_point.GetAddr(), mp.c_str());
 	aio_init = true;
 	return CELL_OK;
 }
 
 int cellFsAioFinish(mem8_ptr_t mount_point)
 {
-	wxString mp = Memory.ReadString(mount_point.GetAddr());
-	sys_fs.Warning("cellFsAioFinish(mount_point_addr=0x%x (%s))", mount_point.GetAddr(), mp.wx_str());
+	std::string mp = Memory.ReadString(mount_point.GetAddr());
+	sys_fs.Warning("cellFsAioFinish(mount_point_addr=0x%x (%s))", mount_point.GetAddr(), mp.c_str());
 	aio_init = false;
 	return CELL_OK;
 }
diff --git a/rpcs3/Emu/SysCalls/Static.cpp b/rpcs3/Emu/SysCalls/Static.cpp
index 073bf0dad5..3d79450cce 100644
--- a/rpcs3/Emu/SysCalls/Static.cpp
+++ b/rpcs3/Emu/SysCalls/Static.cpp
@@ -83,7 +83,7 @@ void StaticAnalyse(void* ptr, u32 size, u32 base)
 				}
 				if (found)
 				{
-					ConLog.Write("Function '%s' hooked (addr=0x%x)", wxString(g_static_funcs_list[j].name).wx_str(), i * 4 + base);
+					ConLog.Write("Function '%s' hooked (addr=0x%x)", g_static_funcs_list[j].name, i * 4 + base);
 					g_static_funcs_list[j].found++;
 					data[i+0] = re32(0x39600000 | j); // li r11, j
 					data[i+1] = se32(0x44000003); // sc 3
@@ -127,7 +127,7 @@ void StaticAnalyse(void* ptr, u32 size, u32 base)
 					if (count == 0)
 					{
 						res |= GSR_MISSING;
-						ConLog.Error("Function '%s' not found", wxString(g_static_funcs_list[j].name).wx_str());
+						ConLog.Error("Function '%s' not found", g_static_funcs_list[j].name);
 					}
 					else if (count > 1)
 					{
@@ -144,7 +144,7 @@ void StaticAnalyse(void* ptr, u32 size, u32 base)
 							if (g_static_funcs_list[k].found)
 							{
 								res |= GSR_EXCESS;
-								ConLog.Error("Function '%s' hooked twice", wxString(g_static_funcs_list[j].name).wx_str());
+								ConLog.Error("Function '%s' hooked twice", g_static_funcs_list[j].name);
 							}
 						}
 					}
@@ -152,7 +152,7 @@ void StaticAnalyse(void* ptr, u32 size, u32 base)
 				else
 				{
 					res |= GSR_EXCESS;
-					ConLog.Error("Function '%s' hooked twice", wxString(g_static_funcs_list[j].name).wx_str());
+					ConLog.Error("Function '%s' hooked twice", g_static_funcs_list[j].name);
 				}
 			}
 
@@ -168,13 +168,13 @@ void StaticAnalyse(void* ptr, u32 size, u32 base)
 
 			if (res == GSR_SUCCESS)
 			{
-				ConLog.Success("Function group [%s] successfully hooked", wxString(name, 9).wx_str());
+				ConLog.Success("Function group [%s] successfully hooked", std::string(name, 9).c_str());
 			}
 			else
 			{
-				ConLog.Error("Function group [%s] failed:%s%s", wxString(name, 9).wx_str(),
-					wxString(res & GSR_MISSING ? " missing;" : "").wx_str(),
-					wxString(res & GSR_EXCESS ? " excess;" : "").wx_str());
+				ConLog.Error("Function group [%s] failed:%s%s", std::string(name, 9).c_str(),
+					(res & GSR_MISSING ? " missing;" : ""),
+					(res & GSR_EXCESS ? " excess;" : ""));
 			}
 		}
 	}
diff --git a/rpcs3/Emu/SysCalls/SysCalls.cpp b/rpcs3/Emu/SysCalls/SysCalls.cpp
index 91ecd0dfa2..595e1597b9 100644
--- a/rpcs3/Emu/SysCalls/SysCalls.cpp
+++ b/rpcs3/Emu/SysCalls/SysCalls.cpp
@@ -359,12 +359,12 @@ void default_syscall()
 		case 999:
 			dump_enable = !dump_enable;
 			Emu.Pause();
-			ConLog.Warning("Dump %s", wxString(dump_enable ? "enabled" : "disabled").wx_str());
+			ConLog.Warning("Dump %s", (dump_enable ? "enabled" : "disabled"));
 		return;
 
 		case 1000:
 			Ini.HLELogging.SetValue(!Ini.HLELogging.GetValue());
-			ConLog.Warning("Log %s", wxString(Ini.HLELogging.GetValue() ? "enabled" : "disabled").wx_str());
+			ConLog.Warning("Log %s", (Ini.HLELogging.GetValue() ? "enabled" : "disabled"));
 		return;
 	}
 
diff --git a/rpcs3/Emu/SysCalls/SysCalls.h b/rpcs3/Emu/SysCalls/SysCalls.h
index 1050d00892..e40cff1124 100644
--- a/rpcs3/Emu/SysCalls/SysCalls.h
+++ b/rpcs3/Emu/SysCalls/SysCalls.h
@@ -44,61 +44,61 @@ public:
 
 	const std::string& GetName() const { return m_module_name; }
 
-	void Log(const u32 id, wxString fmt, ...)
+	void Log(const u32 id, std::string fmt, ...)
 	{
 		if(Ini.HLELogging.GetValue())
 		{
 		va_list list;
 		va_start(list, fmt);
-		ConLog.Write(GetName() + wxString::Format("[%d]: ", id).wx_str() + wxString::FormatV(fmt, list).wx_str());
+		ConLog.Write(GetName() + fmt::Format("[%d]: ", id) + fmt::FormatV(fmt, list));
 		va_end(list);
 		}
 	}
 
-	void Log(wxString fmt, ...)
+	void Log(std::string fmt, ...)
 	{
 		if(Ini.HLELogging.GetValue())
 		{
 		va_list list;
 		va_start(list, fmt);
-		ConLog.Write(GetName() + ": " + wxString::FormatV(fmt, list).wx_str());
+		ConLog.Write(GetName() + ": " + fmt::FormatV(fmt, list));
 		va_end(list);
 		}
 	}
 
-	void Warning(const u32 id, wxString fmt, ...)
+	void Warning(const u32 id, std::string fmt, ...)
 	{
 //#ifdef SYSCALLS_DEBUG
 		va_list list;
 		va_start(list, fmt);
-		ConLog.Warning(GetName() + wxString::Format("[%d] warning: ", id).wx_str() + wxString::FormatV(fmt, list).wx_str());
+		ConLog.Warning(GetName() + fmt::Format("[%d] warning: ", id) + fmt::FormatV(fmt, list));
 		va_end(list);
 //#endif
 	}
 
-	void Warning(wxString fmt, ...)
+	void Warning(std::string fmt, ...)
 	{
 //#ifdef SYSCALLS_DEBUG
 		va_list list;
 		va_start(list, fmt);
-		ConLog.Warning(GetName() + " warning: " + wxString::FormatV(fmt, list).wx_str());
+		ConLog.Warning(GetName() + " warning: " + fmt::FormatV(fmt, list));
 		va_end(list);
 //#endif
 	}
 
-	void Error(const u32 id, wxString fmt, ...)
+	void Error(const u32 id, std::string fmt, ...)
 	{
 		va_list list;
 		va_start(list, fmt);
-		ConLog.Error(GetName() + wxString::Format("[%d] error: ", id).wx_str() + wxString::FormatV(fmt, list).wx_str());
+		ConLog.Error(GetName() + fmt::Format("[%d] error: ", id) + fmt::FormatV(fmt, list));
 		va_end(list);
 	}
 
-	void Error(wxString fmt, ...)
+	void Error(std::string fmt, ...)
 	{
 		va_list list;
 		va_start(list, fmt);
-		ConLog.Error(GetName() + " error: " + wxString::FormatV(fmt, list).wx_str());
+		ConLog.Error(GetName() + " error: " + fmt::FormatV(fmt, list));
 		va_end(list);
 	}
 
@@ -421,7 +421,7 @@ extern int sys_rsx_device_map(mem32_t a1, mem32_t a2, u32 a3);
 extern int sys_rsx_device_unmap();
 extern int sys_rsx_attribute();
 
-#define UNIMPLEMENTED_FUNC(module) module.Error("Unimplemented function: %s", wxString(__FUNCTION__).wx_str())
+#define UNIMPLEMENTED_FUNC(module) module.Error("Unimplemented function: %s", __FUNCTION__)
 
 #define SC_ARG_0 CPU.GPR[3]
 #define SC_ARG_1 CPU.GPR[4]
diff --git a/rpcs3/Emu/SysCalls/lv2/SC_Condition.cpp b/rpcs3/Emu/SysCalls/lv2/SC_Condition.cpp
index 71d4ac0de9..8e31bb2674 100644
--- a/rpcs3/Emu/SysCalls/lv2/SC_Condition.cpp
+++ b/rpcs3/Emu/SysCalls/lv2/SC_Condition.cpp
@@ -35,7 +35,7 @@ int sys_cond_create(mem32_t cond_id, u32 mutex_id, mem_ptr_t<sys_cond_attribute>
 	u32 id = sys_cond.GetNewId(cond);
 	cond_id = id;
 	mutex->cond_count++;
-	sys_cond.Warning("*** condition created [%s] (mutex_id=%d): id = %d", wxString(attr->name, 8).wx_str(), mutex_id, cond_id.GetValue());
+	sys_cond.Warning("*** condition created [%s] (mutex_id=%d): id = %d", std::string(attr->name, 8).c_str(), mutex_id, cond_id.GetValue());
 
 	return CELL_OK;
 }
diff --git a/rpcs3/Emu/SysCalls/lv2/SC_Event.cpp b/rpcs3/Emu/SysCalls/lv2/SC_Event.cpp
index d6ea1a26a3..246d597e88 100644
--- a/rpcs3/Emu/SysCalls/lv2/SC_Event.cpp
+++ b/rpcs3/Emu/SysCalls/lv2/SC_Event.cpp
@@ -52,7 +52,7 @@ int sys_event_queue_create(mem32_t equeue_id, mem_ptr_t<sys_event_queue_attr> at
 
 	equeue_id = sys_event.GetNewId(eq);
 	sys_event.Warning("*** event_queue created [%s] (protocol=0x%x, type=0x%x): id = %d",
-		wxString(attr->name, 8).wx_str(), (u32)attr->protocol, (int)attr->type, equeue_id.GetValue());
+		std::string(attr->name, 8).c_str(), (u32)attr->protocol, (int)attr->type, equeue_id.GetValue());
 
 	return CELL_OK;
 }
diff --git a/rpcs3/Emu/SysCalls/lv2/SC_Event_flag.cpp b/rpcs3/Emu/SysCalls/lv2/SC_Event_flag.cpp
index 72ac3ebef6..4caf1c1d6f 100644
--- a/rpcs3/Emu/SysCalls/lv2/SC_Event_flag.cpp
+++ b/rpcs3/Emu/SysCalls/lv2/SC_Event_flag.cpp
@@ -38,7 +38,7 @@ int sys_event_flag_create(mem32_t eflag_id, mem_ptr_t<sys_event_flag_attr> attr,
 	eflag_id = sys_event_flag.GetNewId(new EventFlag(init, (u32)attr->protocol, (int)attr->type));
 
 	sys_event_flag.Warning("*** event_flag created [%s] (protocol=0x%x, type=0x%x): id = %d",
-		wxString(attr->name, 8).wx_str(), (u32)attr->protocol, (int)attr->type, eflag_id.GetValue());
+		std::string(attr->name, 8).c_str(), (u32)attr->protocol, (int)attr->type, eflag_id.GetValue());
 
 	return CELL_OK;
 }
diff --git a/rpcs3/Emu/SysCalls/lv2/SC_FileSystem.cpp b/rpcs3/Emu/SysCalls/lv2/SC_FileSystem.cpp
index 5dcdf1a12f..52af35a547 100644
--- a/rpcs3/Emu/SysCalls/lv2/SC_FileSystem.cpp
+++ b/rpcs3/Emu/SysCalls/lv2/SC_FileSystem.cpp
@@ -45,12 +45,12 @@ struct FsRingBufferConfig
 
 int cellFsOpen(u32 path_addr, int flags, mem32_t fd, mem32_t arg, u64 size)
 {
-	const wxString& path = Memory.ReadString(path_addr);
+	const std::string& path = Memory.ReadString(path_addr);
 	sys_fs.Log("cellFsOpen(path=\"%s\", flags=0x%x, fd_addr=0x%x, arg_addr=0x%x, size=0x%llx)",
-		path.wx_str(), flags, fd.GetAddr(), arg.GetAddr(), size);
+		path.c_str(), flags, fd.GetAddr(), arg.GetAddr(), size);
 
-	const wxString& ppath = path;
-	//ConLog.Warning("path: %s [%s]", ppath.wx_str(), path.wx_str());
+	const std::string& ppath = path;
+	//ConLog.Warning("path: %s [%s]", ppath.c_str(), path.c_str());
 
 	s32 _oflags = flags;
 	if(flags & CELL_O_CREAT)
@@ -102,7 +102,7 @@ int cellFsOpen(u32 path_addr, int flags, mem32_t fd, mem32_t arg, u64 size)
 
 	if(_oflags != 0)
 	{
-		sys_fs.Error("\"%s\" has unknown flags! flags: 0x%08x", ppath.wx_str(), flags);
+		sys_fs.Error("\"%s\" has unknown flags! flags: 0x%08x", ppath.c_str(), flags);
 		return CELL_EINVAL;
 	}
 
@@ -110,12 +110,12 @@ int cellFsOpen(u32 path_addr, int flags, mem32_t fd, mem32_t arg, u64 size)
 
 	if(!stream || !stream->IsOpened())
 	{
-		sys_fs.Error("\"%s\" not found! flags: 0x%08x", ppath.wx_str(), flags);
+		sys_fs.Error("\"%s\" not found! flags: 0x%08x", ppath.c_str(), flags);
 		return CELL_ENOENT;
 	}
 
 	fd = sys_fs.GetNewId(stream, IDFlag_File);
-	ConLog.Warning("*** cellFsOpen(path=\"%s\"): fd = %d", path.wx_str(), fd.GetValue());
+	ConLog.Warning("*** cellFsOpen(path=\"%s\"): fd = %d", path.c_str(), fd.GetValue());
 
 	return CELL_OK;
 }
@@ -201,8 +201,8 @@ int cellFsClose(u32 fd)
 
 int cellFsOpendir(u32 path_addr, mem32_t fd)
 {
-	const wxString& path = Memory.ReadString(path_addr);
-	sys_fs.Warning("cellFsOpendir(path=\"%s\", fd_addr=0x%x)", path.wx_str(), fd.GetAddr());
+	const std::string& path = Memory.ReadString(path_addr);
+	sys_fs.Warning("cellFsOpendir(path=\"%s\", fd_addr=0x%x)", path.c_str(), fd.GetAddr());
 	
 	if(!Memory.IsGoodAddr(path_addr) || !fd.IsGood())
 		return CELL_EFAULT;
@@ -232,8 +232,8 @@ int cellFsReaddir(u32 fd, mem_ptr_t<CellFsDirent> dir, mem64_t nread)
 	if(info)
 	{
 		nread = 1;
-		Memory.WriteString(dir.GetAddr()+2, info->name.wx_str());
-		dir->d_namlen = info->name.Length();
+		Memory.WriteString(dir.GetAddr()+2, info->name);
+		dir->d_namlen = info->name.length();
 		dir->d_type = (info->flags & DirEntry_TypeFile) ? CELL_FS_TYPE_REGULAR : CELL_FS_TYPE_DIRECTORY;
 	}
 	else
@@ -256,8 +256,8 @@ int cellFsClosedir(u32 fd)
 
 int cellFsStat(const u32 path_addr, mem_ptr_t<CellFsStat> sb)
 {
-	const wxString& path = Memory.ReadString(path_addr);
-	sys_fs.Log("cellFsStat(path=\"%s\", sb_addr: 0x%x)", path.wx_str(), sb.GetAddr());
+	const std::string& path = Memory.ReadString(path_addr);
+	sys_fs.Log("cellFsStat(path=\"%s\", sb_addr: 0x%x)", path.c_str(), sb.GetAddr());
 
 	sb->st_mode = 
 		CELL_FS_S_IRUSR | CELL_FS_S_IWUSR | CELL_FS_S_IXUSR |
@@ -290,7 +290,7 @@ int cellFsStat(const u32 path_addr, mem_ptr_t<CellFsStat> sb)
 		}
 	}
 
-	sys_fs.Warning("cellFsStat: \"%s\" not found.", path.wx_str());
+	sys_fs.Warning("cellFsStat: \"%s\" not found.", path.c_str());
 	return CELL_ENOENT;
 }
 
@@ -321,8 +321,8 @@ int cellFsFstat(u32 fd, mem_ptr_t<CellFsStat> sb)
 
 int cellFsMkdir(u32 path_addr, u32 mode)
 {
-	const wxString& ps3_path = Memory.ReadString(path_addr);
-	sys_fs.Log("cellFsMkdir(path=\"%s\", mode=0x%x)", ps3_path.wx_str(), mode);
+	const std::string& ps3_path = Memory.ReadString(path_addr);
+	sys_fs.Log("cellFsMkdir(path=\"%s\", mode=0x%x)", ps3_path.c_str(), mode);
 	
 	/*vfsDir dir;
 	if(dir.IsExists(ps3_path))
@@ -340,8 +340,8 @@ int cellFsMkdir(u32 path_addr, u32 mode)
 
 int cellFsRename(u32 from_addr, u32 to_addr)
 {
-	const wxString& ps3_from = Memory.ReadString(from_addr);
-	const wxString& ps3_to = Memory.ReadString(to_addr);
+	const std::string& ps3_from = Memory.ReadString(from_addr);
+	const std::string& ps3_to = Memory.ReadString(to_addr);
 
 	{
 		vfsDir dir;
@@ -370,8 +370,8 @@ int cellFsRename(u32 from_addr, u32 to_addr)
 
 int cellFsRmdir(u32 path_addr)
 {
-	const wxString& ps3_path = Memory.ReadString(path_addr);
-	sys_fs.Log("cellFsRmdir(path=\"%s\")", ps3_path.wx_str());
+	const std::string& ps3_path = Memory.ReadString(path_addr);
+	sys_fs.Log("cellFsRmdir(path=\"%s\")", ps3_path.c_str());
 
 	vfsDir d;
 	if(!d.IsExists(ps3_path))
@@ -385,8 +385,8 @@ int cellFsRmdir(u32 path_addr)
 
 int cellFsUnlink(u32 path_addr)
 {
-	const wxString& ps3_path = Memory.ReadString(path_addr);
-	sys_fs.Warning("cellFsUnlink(path=\"%s\")", ps3_path.wx_str());
+	const std::string& ps3_path = Memory.ReadString(path_addr);
+	sys_fs.Warning("cellFsUnlink(path=\"%s\")", ps3_path.c_str());
 
 	if (ps3_path.empty())
 		return CELL_EFAULT;
@@ -452,13 +452,13 @@ int cellFsFtruncate(u32 fd, u64 size)
 
 int cellFsTruncate(u32 path_addr, u64 size)
 {
-	const wxString& path = Memory.ReadString(path_addr);
-	sys_fs.Log("cellFsTruncate(path=\"%s\", size=%lld)", path.wx_str(), size);
+	const std::string& path = Memory.ReadString(path_addr);
+	sys_fs.Log("cellFsTruncate(path=\"%s\", size=%lld)", path.c_str(), size);
 
 	vfsFile f(path, vfsReadWrite);
 	if(!f.IsOpened())
 	{
-		sys_fs.Warning("cellFsTruncate: \"%s\" not found.", path.wx_str());
+		sys_fs.Warning("cellFsTruncate: \"%s\" not found.", path.c_str());
 		return CELL_ENOENT;
 	}
 	u64 initialSize = f.GetSize();
@@ -496,7 +496,7 @@ int cellFsFGetBlockSize(u32 fd, mem64_t sector_size, mem64_t block_size)
 
 int cellFsGetBlockSize(u32 path_addr, mem64_t sector_size, mem64_t block_size)
 {
-	sys_fs.Log("cellFsGetBlockSize(file: %s, sector_size_addr: 0x%x, block_size_addr: 0x%x)", Memory.ReadString(path_addr).wx_str(), sector_size.GetAddr(), block_size.GetAddr());
+	sys_fs.Log("cellFsGetBlockSize(file: %s, sector_size_addr: 0x%x, block_size_addr: 0x%x)", Memory.ReadString(path_addr).c_str(), sector_size.GetAddr(), block_size.GetAddr());
 
 	sector_size = 4096; // ?
 	block_size = 4096; // ?
@@ -506,9 +506,9 @@ int cellFsGetBlockSize(u32 path_addr, mem64_t sector_size, mem64_t block_size)
 
 int cellFsGetFreeSize(u32 path_addr, mem32_t block_size, mem64_t block_count)
 {
-	const wxString& ps3_path = Memory.ReadString(path_addr);
+	const std::string& ps3_path = Memory.ReadString(path_addr);
 	sys_fs.Warning("cellFsGetFreeSize(path=\"%s\", block_size_addr=0x%x, block_count_addr=0x%x)",
-		ps3_path.wx_str(), block_size.GetAddr(), block_count.GetAddr());
+		ps3_path.c_str(), block_size.GetAddr(), block_count.GetAddr());
 
 	if (!Memory.IsGoodAddr(path_addr) || !block_size.IsGood() || !block_count.IsGood())
 		return CELL_EFAULT;
@@ -537,8 +537,8 @@ int cellFsGetDirectoryEntries(u32 fd, mem_ptr_t<CellFsDirectoryEntry> entries, u
 	if(info)
 	{
 		data_count = 1;
-		Memory.WriteString(entries.GetAddr()+2, info->name.wx_str());
-		entries->entry_name.d_namlen = info->name.Length();
+		Memory.WriteString(entries.GetAddr()+2, info->name);
+		entries->entry_name.d_namlen = info->name.length();
 		entries->entry_name.d_type = (info->flags & DirEntry_TypeFile) ? CELL_FS_TYPE_REGULAR : CELL_FS_TYPE_DIRECTORY;
 
 		entries->attribute.st_mode = 
diff --git a/rpcs3/Emu/SysCalls/lv2/SC_Lwcond.cpp b/rpcs3/Emu/SysCalls/lv2/SC_Lwcond.cpp
index 1a359c5ed8..6954c45158 100644
--- a/rpcs3/Emu/SysCalls/lv2/SC_Lwcond.cpp
+++ b/rpcs3/Emu/SysCalls/lv2/SC_Lwcond.cpp
@@ -35,7 +35,7 @@ int sys_lwcond_create(mem_ptr_t<sys_lwcond_t> lwcond, mem_ptr_t<sys_lwmutex_t> l
 	}
 
 	sys_lwcond.Warning("*** lwcond created [%s] (lwmutex_addr=0x%x): id = %d", 
-		wxString(attr->name, 8).wx_str(), lwmutex.GetAddr(), (u32)lwcond->lwcond_queue);
+		std::string(attr->name, 8).c_str(), lwmutex.GetAddr(), (u32) lwcond->lwcond_queue);
 
 	return CELL_OK;
 }
diff --git a/rpcs3/Emu/SysCalls/lv2/SC_Lwmutex.cpp b/rpcs3/Emu/SysCalls/lv2/SC_Lwmutex.cpp
index 0049df7810..4b0d480395 100644
--- a/rpcs3/Emu/SysCalls/lv2/SC_Lwmutex.cpp
+++ b/rpcs3/Emu/SysCalls/lv2/SC_Lwmutex.cpp
@@ -38,7 +38,7 @@ int sys_lwmutex_create(mem_ptr_t<sys_lwmutex_t> lwmutex, mem_ptr_t<sys_lwmutex_a
 	lwmutex->sleep_queue = sq_id;
 
 	sc_lwmutex.Warning("*** lwmutex created [%s] (attribute=0x%x): sq_id = %d", 
-		wxString(attr->name, 8).wx_str(), (u32)lwmutex->attribute, sq_id);
+		std::string(attr->name, 8).c_str(), (u32) lwmutex->attribute, sq_id);
 
 	return CELL_OK;
 }
diff --git a/rpcs3/Emu/SysCalls/lv2/SC_Mutex.cpp b/rpcs3/Emu/SysCalls/lv2/SC_Mutex.cpp
index e09bc1874e..59095350e8 100644
--- a/rpcs3/Emu/SysCalls/lv2/SC_Mutex.cpp
+++ b/rpcs3/Emu/SysCalls/lv2/SC_Mutex.cpp
@@ -45,8 +45,8 @@ int sys_mutex_create(mem32_t mutex_id, mem_ptr_t<sys_mutex_attribute> attr)
 	mutex_id = id;
 	mutex->m_mutex.unlock(tid);
 	sys_mtx.Warning("*** mutex created [%s] (protocol=0x%x, recursive=%s): id = %d",
-		wxString(attr->name, 8).wx_str(), (u32)attr->protocol,
-		wxString(is_recursive ? "true" : "false").wx_str(), mutex_id.GetValue());
+		std::string(attr->name, 8).c_str(), (u32) attr->protocol,
+		(is_recursive ? "true" : "false"), mutex_id.GetValue());
 
 	// TODO: unlock mutex when owner thread does exit
 
diff --git a/rpcs3/Emu/SysCalls/lv2/SC_PPU_Thread.cpp b/rpcs3/Emu/SysCalls/lv2/SC_PPU_Thread.cpp
index 5cf8fa52bd..8fd9e51796 100644
--- a/rpcs3/Emu/SysCalls/lv2/SC_PPU_Thread.cpp
+++ b/rpcs3/Emu/SysCalls/lv2/SC_PPU_Thread.cpp
@@ -142,7 +142,7 @@ int sys_ppu_thread_restart(u32 thread_id)
 int sys_ppu_thread_create(u32 thread_id_addr, u32 entry, u64 arg, int prio, u32 stacksize, u64 flags, u32 threadname_addr)
 {
 	sysPrxForUser.Log("sys_ppu_thread_create(thread_id_addr=0x%x, entry=0x%x, arg=0x%x, prio=%d, stacksize=0x%x, flags=0x%llx, threadname_addr=0x%x('%s'))",
-		thread_id_addr, entry, arg, prio, stacksize, flags, threadname_addr, Memory.ReadString(threadname_addr).wx_str());
+		thread_id_addr, entry, arg, prio, stacksize, flags, threadname_addr, Memory.ReadString(threadname_addr).c_str());
 
 	if(!Memory.IsGoodAddr(entry) || !Memory.IsGoodAddr(thread_id_addr) || !Memory.IsGoodAddr(threadname_addr))
 	{
@@ -157,9 +157,9 @@ int sys_ppu_thread_create(u32 thread_id_addr, u32 entry, u64 arg, int prio, u32
 	new_thread.SetPrio(prio);
 	new_thread.SetStackSize(stacksize);
 	//new_thread.flags = flags;
-	new_thread.SetName(Memory.ReadString(threadname_addr).ToStdString());
+	new_thread.SetName(Memory.ReadString(threadname_addr));
 
-	ConLog.Write("*** New PPU Thread [%s] (): id = %d", wxString(new_thread.GetName()).wx_str(), new_thread.GetId());
+	ConLog.Write("*** New PPU Thread [%s] (): id = %d", new_thread.GetName().c_str(), new_thread.GetId());
 
 	new_thread.Run();
 	new_thread.Exec();
diff --git a/rpcs3/Emu/SysCalls/lv2/SC_Process.cpp b/rpcs3/Emu/SysCalls/lv2/SC_Process.cpp
index f64907ce88..0e6969864c 100644
--- a/rpcs3/Emu/SysCalls/lv2/SC_Process.cpp
+++ b/rpcs3/Emu/SysCalls/lv2/SC_Process.cpp
@@ -61,7 +61,7 @@ void sys_game_process_exitspawn(
 			u64 flags )
 {
 	sc_p.Error("sys_game_process_exitspawn UNIMPLEMENTED");
-	sc_p.Warning("path: %s", Memory.ReadString(path_addr).wx_str());
+	sc_p.Warning("path: %s", Memory.ReadString(path_addr).c_str());
 	sc_p.Warning("argv: 0x%x", argv_addr);
 	sc_p.Warning("envp: 0x%x", envp_addr);
 	sc_p.Warning("data: 0x%x", data_addr);
@@ -69,9 +69,9 @@ void sys_game_process_exitspawn(
 	sc_p.Warning("prio: %d", prio);
 	sc_p.Warning("flags: %d", flags);
 
-	wxString path = Memory.ReadString(path_addr);
-	std::vector<wxString> argv;
-	std::vector<wxString> env;
+	std::string path = Memory.ReadString(path_addr);
+	std::vector<std::string> argv;
+	std::vector<std::string> env;
 
 	mem_ptr_t<u32> argvp(argv_addr);
 	while (argvp.GetAddr() && argvp.IsGood() && *argvp)
@@ -87,10 +87,10 @@ void sys_game_process_exitspawn(
 	}
 
 	for (auto &arg : argv){
-		sc_p.Log("argument: %s", arg.wx_str());
+		sc_p.Log("argument: %s", arg.c_str());
 	}
 	for (auto &en : env){
-		sc_p.Log("env_argument: %s", en.wx_str());
+		sc_p.Log("env_argument: %s", en.c_str());
 	}
 	//TODO: execute the file in <path> with the args in argv
 	//and the environment parameters in envp and copy the data
@@ -109,7 +109,7 @@ void sys_game_process_exitspawn2(
 			u64 flags)
 {
 	sc_p.Error("sys_game_process_exitspawn2 UNIMPLEMENTED");
-	sc_p.Warning("path: %s", Memory.ReadString(path_addr).wx_str());
+	sc_p.Warning("path: %s", Memory.ReadString(path_addr).c_str());
 	sc_p.Warning("argv: 0x%x", argv_addr);
 	sc_p.Warning("envp: 0x%x", envp_addr);
 	sc_p.Warning("data: 0x%x", data_addr);
@@ -118,8 +118,8 @@ void sys_game_process_exitspawn2(
 	sc_p.Warning("flags: %d", flags);
 
 	wxString path = Memory.ReadString(path_addr);
-	std::vector<wxString> argv;
-	std::vector<wxString> env;
+	std::vector<std::string> argv;
+	std::vector<std::string> env;
 
 	mem_ptr_t<u32> argvp(argv_addr);
 	while (argvp.GetAddr() && argvp.IsGood() && *argvp)
@@ -135,10 +135,10 @@ void sys_game_process_exitspawn2(
 	}
 
 	for (auto &arg : argv){
-		sc_p.Log("argument: %s", arg.wx_str());
+		sc_p.Log("argument: %s", arg.c_str());
 	}
 	for (auto &en : env){
-		sc_p.Log("env_argument: %s", en.wx_str());
+		sc_p.Log("env_argument: %s", en.c_str());
 	}
 	//TODO: execute the file in <path> with the args in argv
 	//and the environment parameters in envp and copy the data
diff --git a/rpcs3/Emu/SysCalls/lv2/SC_Rwlock.cpp b/rpcs3/Emu/SysCalls/lv2/SC_Rwlock.cpp
index 29a178f537..2ca6ac53d3 100644
--- a/rpcs3/Emu/SysCalls/lv2/SC_Rwlock.cpp
+++ b/rpcs3/Emu/SysCalls/lv2/SC_Rwlock.cpp
@@ -28,7 +28,7 @@ int sys_rwlock_create(mem32_t rw_lock_id, mem_ptr_t<sys_rwlock_attribute_t> attr
 	rw_lock_id = sys_rwlock.GetNewId(new RWLock((u32)attr->attr_protocol, attr->name_u64));
 
 	sys_rwlock.Warning("*** rwlock created [%s] (protocol=0x%x): id = %d", 
-		wxString(attr->name, 8).wx_str(), (u32)attr->attr_protocol, rw_lock_id.GetValue());
+		std::string(attr->name, 8).c_str(), (u32) attr->attr_protocol, rw_lock_id.GetValue());
 
 	return CELL_OK;
 }
diff --git a/rpcs3/Emu/SysCalls/lv2/SC_SPU_Thread.cpp b/rpcs3/Emu/SysCalls/lv2/SC_SPU_Thread.cpp
index 1c66afe102..ba5c8023d8 100644
--- a/rpcs3/Emu/SysCalls/lv2/SC_SPU_Thread.cpp
+++ b/rpcs3/Emu/SysCalls/lv2/SC_SPU_Thread.cpp
@@ -40,8 +40,8 @@ u32 LoadSpuImage(vfsStream& stream)
 //156
 int sys_spu_image_open(mem_ptr_t<sys_spu_image> img, u32 path_addr)
 {
-	const wxString path = Memory.ReadString(path_addr).wx_str();
-	sc_spu.Warning("sys_spu_image_open(img_addr=0x%x, path_addr=0x%x [%s])", img.GetAddr(), path_addr, path.wx_str());
+	const std::string path = Memory.ReadString(path_addr).c_str();
+	sc_spu.Warning("sys_spu_image_open(img_addr=0x%x, path_addr=0x%x [%s])", img.GetAddr(), path_addr, path.c_str());
 
 	if(!img.IsGood() || !Memory.IsGoodAddr(path_addr))
 	{
@@ -51,7 +51,7 @@ int sys_spu_image_open(mem_ptr_t<sys_spu_image> img, u32 path_addr)
 	vfsFile f(path);
 	if(!f.IsOpened())
 	{
-		sc_spu.Error("sys_spu_image_open error: '%s' not found!", path.wx_str());
+		sc_spu.Error("sys_spu_image_open error: '%s' not found!", path.c_str());
 		return CELL_ENOENT;
 	}
 
@@ -106,7 +106,7 @@ int sys_spu_thread_initialize(mem32_t thread, u32 group, u32 spu_num, mem_ptr_t<
 	std::string name = "SPUThread";
 	if (attr->name_addr)
 	{
-		name = Memory.ReadString(attr->name_addr, attr->name_len).ToStdString();
+		name = Memory.ReadString(attr->name_addr, attr->name_len);
 	}
 
 	u64 a1 = arg->arg1;
@@ -132,7 +132,7 @@ int sys_spu_thread_initialize(mem32_t thread, u32 group, u32 spu_num, mem_ptr_t<
 	(*(SPUThread*)&new_thread).group = group_info;
 
 	sc_spu.Warning("*** New SPU Thread [%s] (img_offset=0x%x, ls_offset=0x%x, ep=0x%x, a1=0x%llx, a2=0x%llx, a3=0x%llx, a4=0x%llx): id=%d",
-		wxString(attr->name_addr ? name : "").wx_str(), (u32)img->segs_addr, ((SPUThread&)new_thread).dmac.ls_offset, spu_ep, a1, a2, a3, a4, thread.GetValue());
+		(attr->name_addr ? name.c_str() : ""), (u32) img->segs_addr, ((SPUThread&) new_thread).dmac.ls_offset, spu_ep, a1, a2, a3, a4, thread.GetValue());
 
 	return CELL_OK;
 }
@@ -302,12 +302,12 @@ int sys_spu_thread_group_create(mem32_t id, u32 num, int prio, mem_ptr_t<sys_spu
 
 	if (prio < 16 || prio > 255) return CELL_EINVAL;
 
-	const wxString name = Memory.ReadString(attr->name_addr, attr->name_len);
+	const std::string name = Memory.ReadString(attr->name_addr, attr->name_len);
 
 	id = sc_spu.GetNewId(new SpuGroupInfo(name, num, prio, attr->type, attr->ct));
 
 	sc_spu.Warning("*** SPU Thread Group created [%s] (type=0x%x, option.ct=0x%x): id=%d", 
-		name.wx_str(), (int)attr->type, (u32)attr->ct, id.GetValue());
+		name.c_str(), (int)attr->type, (u32)attr->ct, id.GetValue());
 
 	return CELL_OK;
 }
diff --git a/rpcs3/Emu/System.cpp b/rpcs3/Emu/System.cpp
index 3f32054def..afe861905f 100644
--- a/rpcs3/Emu/System.cpp
+++ b/rpcs3/Emu/System.cpp
@@ -41,13 +41,13 @@ void Emulator::Init()
 	//m_memory_viewer = new MemoryViewerPanel(wxGetApp().m_MainFrame);
 }
 
-void Emulator::SetPath(const wxString& path, const wxString& elf_path)
+void Emulator::SetPath(const std::string& path, const std::string& elf_path)
 {
 	m_path = path;
 	m_elf_path = elf_path;
 }
 
-void Emulator::SetTitleID(const wxString& id)
+void Emulator::SetTitleID(const std::string& id)
 {
 	m_title_id = id;
 }
@@ -103,9 +103,9 @@ bool Emulator::BootGame(const std::string& path)
 
 	for(int i=0; i<sizeof(elf_path) / sizeof(*elf_path);i++)
 	{
-		const wxString& curpath = path + elf_path[i];
+		const std::string& curpath = path + elf_path[i];
 
-		if(wxFile::Access(curpath, wxFile::read))
+		if(wxFile::Access(fmt::FromUTF8(curpath), wxFile::read))
 		{
 			SetPath(curpath);
 			Load();
@@ -119,20 +119,20 @@ bool Emulator::BootGame(const std::string& path)
 
 void Emulator::Load()
 {
-	if(!wxFileExists(m_path)) return;
+	if(!wxFileExists(fmt::FromUTF8(m_path))) return;
 
-	if(IsSelf(m_path.ToStdString()))
+	if(IsSelf(m_path))
 	{
-		std::string self_path = m_path.ToStdString();
-		std::string elf_path = wxFileName(m_path).GetPath().ToStdString();
+		std::string self_path = m_path;
+		std::string elf_path = fmt::ToUTF8(wxFileName(fmt::FromUTF8(m_path)).GetPath());
 
-		if(wxFileName(m_path).GetFullName().CmpNoCase("EBOOT.BIN") == 0)
+		if (wxFileName(fmt::FromUTF8(m_path)).GetFullName().CmpNoCase("EBOOT.BIN") == 0)
 		{
 			elf_path += "/BOOT.BIN";
 		}
 		else
 		{
-			elf_path += "/" + wxFileName(m_path).GetName() + ".elf";
+			elf_path += "/" + fmt::ToUTF8(wxFileName(fmt::FromUTF8(m_path)).GetName()) + ".elf";
 		}
 
 		if(!DecryptSelf(elf_path, self_path))
@@ -141,7 +141,7 @@ void Emulator::Load()
 		m_path = elf_path;
 	}
 
-	ConLog.Write("Loading '%s'...", m_path.wx_str());
+	ConLog.Write("Loading '%s'...", m_path.c_str());
 	GetInfo().Reset();
 	m_vfs.Init(m_path);
 
@@ -149,11 +149,11 @@ void Emulator::Load()
 	ConLog.Write("Mount info:");
 	for(uint i=0; i<m_vfs.m_devices.GetCount(); ++i)
 	{
-		ConLog.Write("%s -> %s", m_vfs.m_devices[i].GetPs3Path().wx_str(), m_vfs.m_devices[i].GetLocalPath().wx_str());
+		ConLog.Write("%s -> %s", m_vfs.m_devices[i].GetPs3Path().c_str(), m_vfs.m_devices[i].GetLocalPath().c_str());
 	}
 	ConLog.SkipLn();
 
-	if(m_elf_path.IsEmpty())
+	if(m_elf_path.empty())
 	{
 		GetVFS().GetDeviceLocal(m_path, m_elf_path);
 	}
@@ -162,7 +162,7 @@ void Emulator::Load()
 
 	if(!f.IsOpened())
 	{
-		ConLog.Error("Elf not found! (%s - %s)", m_path.wx_str(), m_elf_path.wx_str());
+		ConLog.Error("Elf not found! (%s - %s)", m_path.c_str(), m_elf_path.c_str());
 		return;
 	}
 
@@ -193,7 +193,7 @@ void Emulator::Load()
 		}
 		
 	}
-	catch(const wxString& e)
+	catch(const std::string& e)
 	{
 		ConLog.Error(e);
 		is_error = true;
@@ -441,7 +441,7 @@ void Emulator::LoadPoints(const std::string& path)
 	if(version != bpdb_version ||
 		(sizeof(u16) + break_count * sizeof(u64) + sizeof(u32) + marked_count * sizeof(u64) + sizeof(u32)) != length)
 	{
-		ConLog.Error("'%s' is broken", wxString(path).wx_str());
+		ConLog.Error("'%s' is broken", path.c_str());
 		return;
 	}
 
diff --git a/rpcs3/Emu/System.h b/rpcs3/Emu/System.h
index 1564afca76..6953dc8c3a 100644
--- a/rpcs3/Emu/System.h
+++ b/rpcs3/Emu/System.h
@@ -98,15 +98,15 @@ class Emulator
 	EmuInfo m_info;
 
 public:
-	wxString m_path;
-	wxString m_elf_path;
-	wxString m_title_id;
+	std::string m_path;
+	std::string m_elf_path;
+	std::string m_title_id;
 
 	Emulator();
 
 	void Init();
-	void SetPath(const wxString& path, const wxString& elf_path = wxEmptyString);
-	void SetTitleID(const wxString& id);
+	void SetPath(const std::string& path, const std::string& elf_path = "");
+	void SetTitleID(const std::string& id);
 
 	CPUThreadManager&	GetCPU()				{ return m_thread_manager; }
 	PadManager&			GetPadManager()			{ return m_pad_manager; }
diff --git a/rpcs3/Gui/CompilerELF.cpp b/rpcs3/Gui/CompilerELF.cpp
index 9ef926ba6b..622a54865c 100644
--- a/rpcs3/Gui/CompilerELF.cpp
+++ b/rpcs3/Gui/CompilerELF.cpp
@@ -16,7 +16,7 @@ wxFont GetFont(int size)
 }
 
 CompilerELF::CompilerELF(wxWindow* parent)
-	: FrameBase(parent, wxID_ANY, "CompilerELF", wxEmptyString, wxSize(640, 680))
+	: FrameBase(parent, wxID_ANY, "CompilerELF", "", wxSize(640, 680))
 	, m_status_bar(*CreateStatusBar())
 {
 	m_disable_scroll = false;
@@ -392,26 +392,26 @@ void CompilerELF::LoadElf(wxCommandEvent& event)
 		wxFD_OPEN | wxFD_FILE_MUST_EXIST);
 
 	if(ctrl.ShowModal() == wxID_CANCEL) return;
-	LoadElf(ctrl.GetPath());
+	LoadElf(fmt::ToUTF8(ctrl.GetPath()));
 }
 
 #include "Emu/Cell/PPUDisAsm.h"
 #include "Emu/Cell/PPUDecoder.h"
 
-void CompilerELF::LoadElf(const wxString& path)
+void CompilerELF::LoadElf(const std::string& path)
 {
 }
 
-void CompilerELF::SetTextStyle(const wxString& text, const wxColour& color, bool bold)
+void CompilerELF::SetTextStyle(const std::string& text, const wxColour& color, bool bold)
 {
-	for(int p=0; (p = asm_list->GetValue().find(text, p)) >= 0; p += text.Len())
+	for(int p=0; (p = fmt::ToUTF8(asm_list->GetValue()).find(text, p)) !=std::string::npos; p += text.length())
 	{
-		asm_list->SetStyle(p, p + text.Len(), wxTextAttr(color, wxNullColour, 
+		asm_list->SetStyle(p, p + text.length(), wxTextAttr(color, wxNullColour, 
 			wxFont(-1, wxFONTFAMILY_MODERN, wxFONTSTYLE_NORMAL, bold ? wxFONTWEIGHT_BOLD : wxFONTWEIGHT_NORMAL)));
 	}
 }
 
-void CompilerELF::SetOpStyle(const wxString& text, const wxColour& color, bool bold)
+void CompilerELF::SetOpStyle(const std::string& text, const wxColour& color, bool bold)
 {
 	/*
 	for(int p=0; (p = FindOp(asm_list->GetValue(), text, p)) >= 0; p += text.Len())
@@ -424,5 +424,5 @@ void CompilerELF::SetOpStyle(const wxString& text, const wxColour& color, bool b
 
 void CompilerELF::DoAnalyzeCode(bool compile)
 {
-	CompilePPUProgram(asm_list->GetValue(), "compiled.elf", asm_list, hex_list, err_list, !compile).Compile();
+	CompilePPUProgram(fmt::ToUTF8(asm_list->GetValue()), "compiled.elf", asm_list, hex_list, err_list, !compile).Compile();
 }
diff --git a/rpcs3/Gui/CompilerELF.h b/rpcs3/Gui/CompilerELF.h
index a0b4fc1965..8d7321c5c3 100644
--- a/rpcs3/Gui/CompilerELF.h
+++ b/rpcs3/Gui/CompilerELF.h
@@ -38,10 +38,10 @@ public:
 	}
 
 	void LoadElf(wxCommandEvent& event);
-	void LoadElf(const wxString& path);
+	void LoadElf(const std::string& path);
 
-	void SetTextStyle(const wxString& text, const wxColour& color, bool bold=false);
-	void SetOpStyle(const wxString& text, const wxColour& color, bool bold=true);
+	void SetTextStyle(const std::string& text, const wxColour& color, bool bold=false);
+	void SetOpStyle(const std::string& text, const wxColour& color, bool bold = true);
 	void DoAnalyzeCode(bool compile);
 
 	void UpdateStatus(int offset=0);
diff --git a/rpcs3/Gui/ConLog.cpp b/rpcs3/Gui/ConLog.cpp
index e648652a7b..094c91c2a7 100644
--- a/rpcs3/Gui/ConLog.cpp
+++ b/rpcs3/Gui/ConLog.cpp
@@ -12,20 +12,20 @@ LogFrame* ConLogFrame;
 std::mutex g_cs_conlog;
 
 static const uint max_item_count = 500;
-static const uint buffer_size = 1024 * 64 * sizeof(wxChar);
+static const uint buffer_size = 1024 * 64;
 
-static const wxString g_log_colors[] =
+static const std::string g_log_colors[] =
 {
 	"Black", "Green", "White", "Yellow", "Red",
 };
 
 struct LogPacket
 {
-	wxString m_prefix;
-	wxString m_text;
-	wxString m_colour;
+	const std::string m_prefix;
+	const std::string m_text;
+	const std::string m_colour;
 
-	LogPacket(const wxString& prefix, const wxString& text, const wxString& colour)
+	LogPacket(const std::string& prefix, const std::string& text, const std::string& colour)
 		: m_prefix(prefix)
 		, m_text(text)
 		, m_colour(colour)
@@ -42,9 +42,9 @@ struct _LogBuffer : public MTPacketBuffer<LogPacket>
 
 	void _push(const LogPacket& data)
 	{
-		const u32 sprefix	= data.m_prefix.length() * sizeof(wxChar);
-		const u32 stext		= data.m_text.length() * sizeof(wxChar);
-		const u32 scolour	= data.m_colour.length() * sizeof(wxChar);
+		const u32 sprefix	= data.m_prefix.length();
+		const u32 stext		= data.m_text.length();
+		const u32 scolour	= data.m_colour.length();
 
 		m_buffer.Reserve(
 			sizeof(u32) + sprefix +
@@ -55,17 +55,17 @@ struct _LogBuffer : public MTPacketBuffer<LogPacket>
 
 		memcpy(&m_buffer[c_put], &sprefix, sizeof(u32));
 		c_put += sizeof(u32);
-		memcpy(&m_buffer[c_put], data.m_prefix.wx_str(), sprefix);
+		memcpy(&m_buffer[c_put], data.m_prefix.c_str(), sprefix);
 		c_put += sprefix;
 
 		memcpy(&m_buffer[c_put], &stext, sizeof(u32));
 		c_put += sizeof(u32);
-		memcpy(&m_buffer[c_put], data.m_text.wx_str(), stext);
+		memcpy(&m_buffer[c_put], data.m_text.c_str(), stext);
 		c_put += stext;
 
 		memcpy(&m_buffer[c_put], &scolour, sizeof(u32));
 		c_put += sizeof(u32);
-		memcpy(&m_buffer[c_put], data.m_colour.wx_str(), scolour);
+		memcpy(&m_buffer[c_put], data.m_colour.c_str(), scolour);
 		c_put += scolour;
 
 		m_put = c_put;
@@ -78,17 +78,17 @@ struct _LogBuffer : public MTPacketBuffer<LogPacket>
 
 		const u32& sprefix = *(u32*)&m_buffer[c_get];
 		c_get += sizeof(u32);
-		const wxString& prefix = wxString((wxChar*)&m_buffer[c_get], sprefix / sizeof(wxChar));
+		const std::string prefix( (const char*) &m_buffer[c_get], sprefix);
 		c_get += sprefix;
 
 		const u32& stext = *(u32*)&m_buffer[c_get];
 		c_get += sizeof(u32);
-		const wxString& text = wxString((wxChar*)&m_buffer[c_get], stext / sizeof(wxChar));
+		const std::string text( (const char*) &m_buffer[c_get], stext);
 		c_get += stext;
 
 		const u32& scolour = *(u32*)&m_buffer[c_get];
 		c_get += sizeof(u32);
-		const wxString& colour = wxString((wxChar*)&m_buffer[c_get], scolour / sizeof(wxChar));
+		const std::string colour( (const char*) &m_buffer[c_get], scolour);
 		c_get += scolour;
 
 		m_get = c_get;
@@ -108,9 +108,9 @@ LogWriter::LogWriter()
 	}
 }
 
-void LogWriter::WriteToLog(const wxString& prefix, const wxString& value, u8 lvl/*, wxColour bgcolour*/)
+void LogWriter::WriteToLog(const std::string& prefix, const std::string& value, u8 lvl/*, wxColour bgcolour*/)
 {
-	wxString new_prefix = prefix;
+	std::string new_prefix = prefix;
 	if(!prefix.empty())
 	{
 		if(NamedThreadBase* thr = GetCurrentNamedThread())
@@ -120,7 +120,7 @@ void LogWriter::WriteToLog(const wxString& prefix, const wxString& value, u8 lvl
 	}
 
 	if(m_logfile.IsOpened() && !new_prefix.empty())
-		m_logfile.Write(wxString("[") + new_prefix + "]: " + value + "\n");
+		m_logfile.Write(fmt::FromUTF8("[" + new_prefix + "]: " + value + "\n"));
 
 	if(!ConLogFrame || Ini.HLELogLvl.GetValue() == 4 || (lvl != 0 && lvl <= Ini.HLELogLvl.GetValue()))
 		return;
@@ -157,57 +157,6 @@ void LogWriter::WriteToLog(const wxString& prefix, const wxString& value, u8 lvl
 	LogBuffer.Push(LogPacket(new_prefix, value, g_log_colors[lvl]));
 }
 
-void LogWriter::Write(const wxString& fmt, ...)
-{
-	va_list list;
-	va_start(list, fmt);
-
-	wxString frmt;
-	frmt = wxString::FormatV(fmt, list);
-
-	va_end(list);
-
-	WriteToLog("!", frmt, 2);
-}
-
-void LogWriter::Error(const wxString& fmt, ...)
-{
-	va_list list;
-	va_start(list, fmt);
-
-	wxString frmt;
-	frmt = wxString::FormatV(fmt, list);
-
-	va_end(list);
-
-	WriteToLog("E", frmt, 4);
-}
-
-void LogWriter::Warning(const wxString& fmt, ...)
-{
-	va_list list;
-	va_start(list, fmt);
-
-	wxString frmt;
-	frmt = wxString::FormatV(fmt, list);
-
-	va_end(list);
-
-	WriteToLog("W", frmt, 3);
-}
-
-void LogWriter::Success(const wxString& fmt, ...)
-{
-	va_list list;
-	va_start(list, fmt);
-
-	wxString frmt;
-	frmt = wxString::FormatV(fmt, list);
-
-	va_end(list);
-
-	WriteToLog("S", frmt, 1);
-}
 
 void LogWriter::SkipLn()
 {
@@ -271,9 +220,9 @@ void LogFrame::Task()
 
 		const int cur_item = m_log.GetItemCount();
 
-		m_log.InsertItem(cur_item, item.m_prefix);
-		m_log.SetItem(cur_item, 1, item.m_text);
-		m_log.SetItemTextColour(cur_item, item.m_colour);
+		m_log.InsertItem(cur_item, fmt::FromUTF8(item.m_prefix));
+		m_log.SetItem(cur_item, 1, fmt::FromUTF8(item.m_text));
+		m_log.SetItemTextColour(cur_item, fmt::FromUTF8(item.m_colour));
 		m_log.SetColumnWidth(0, -1); // crashes on exit
 		m_log.SetColumnWidth(1, -1);
 
diff --git a/rpcs3/Gui/ConLog.h b/rpcs3/Gui/ConLog.h
index dd44054c89..c0aff95a21 100644
--- a/rpcs3/Gui/ConLog.h
+++ b/rpcs3/Gui/ConLog.h
@@ -11,15 +11,39 @@ class LogWriter
 	//wxString m_prefix;
 	//wxString m_value;
 
-	virtual void WriteToLog(const wxString& prefix, const wxString& value, u8 lvl);
+	virtual void WriteToLog(const std::string& prefix, const std::string& value, u8 lvl);
 
 public:
 	LogWriter();
 
-	virtual void Write(const wxString& fmt, ...);
-	virtual void Error(const wxString& fmt, ...);
-	virtual void Warning(const wxString& fmt, ...);
-	virtual void Success(const wxString& fmt, ...);
+	template <typename ...Arg>
+	void Write(const std::string &fmt, Arg&&... args)
+	{
+		std::string frmt = fmt::Format(fmt, std::forward<Arg>(args)...);
+		WriteToLog("!", frmt, 2);
+	}
+	
+	template <typename ...Arg>
+	void Error(const std::string &fmt, Arg&&... args)
+	{
+		std::string frmt = fmt::Format(fmt, std::forward<Arg>(args)...);
+		WriteToLog("E", frmt, 4);
+	}
+	
+	template <typename ...Arg>
+	void Warning(const std::string &fmt, Arg&&... args)
+	{
+		std::string frmt = fmt::Format(fmt, std::forward<Arg>(args)...);
+		WriteToLog("W", frmt, 3);
+	}
+	
+	template <typename ...Arg>
+	void Success(const std::string &fmt, Arg&&... args)
+	{
+		std::string frmt = fmt::Format(fmt, std::forward<Arg>(args)...);
+		WriteToLog("S", frmt, 1);
+	}
+	
 	virtual void SkipLn();	
 };
 
diff --git a/rpcs3/Gui/Debugger.cpp b/rpcs3/Gui/Debugger.cpp
index 61499efb88..010ea4edf5 100644
--- a/rpcs3/Gui/Debugger.cpp
+++ b/rpcs3/Gui/Debugger.cpp
@@ -42,7 +42,7 @@ public:
 	{
 		m_btn_run->Enable(!Emu.IsStopped());
 		m_btn_stop->Enable(!Emu.IsStopped());
-		m_btn_restart->Enable(!Emu.m_path.IsEmpty());
+		m_btn_restart->Enable(!Emu.m_path.empty());
 	}
 
 	void OnRun(wxCommandEvent& event)
diff --git a/rpcs3/Gui/DisAsmFrame.cpp b/rpcs3/Gui/DisAsmFrame.cpp
index d9520348fa..586e9b8edf 100644
--- a/rpcs3/Gui/DisAsmFrame.cpp
+++ b/rpcs3/Gui/DisAsmFrame.cpp
@@ -172,7 +172,7 @@ public:
 				disasm->dump_pc = sh_addr + off;
 				decoder->Decode(Memory.Read32(disasm->dump_pc));
 
-				arr[id][sh].Add(disasm->last_opcode);
+				arr[id][sh].Add(fmt::FromUTF8(disasm->last_opcode));
 
 				off += (cores - id) * 4;
 				off += id * 4;
@@ -297,7 +297,7 @@ void DisAsmFrame::Dump(wxCommandEvent& WXUNUSED(event))
 	vfsLocalFile& f_elf = *new vfsLocalFile(nullptr);
 	f_elf.Open(Emu.m_path);
 
-	ConLog.Write("path: %s", Emu.m_path.wx_str());
+	ConLog.Write("path: %s", Emu.m_path.c_str());
 	Elf_Ehdr ehdr;
 	ehdr.Load(f_elf);
 
@@ -306,7 +306,7 @@ void DisAsmFrame::Dump(wxCommandEvent& WXUNUSED(event))
 		ConLog.Error("Corrupted ELF!");
 		return;
 	}
-	wxArrayString name_arr;
+	std::vector<std::string> name_arr;
 
 	switch(ehdr.GetClass())
 	{
@@ -384,10 +384,10 @@ void DisAsmFrame::Dump(wxCommandEvent& WXUNUSED(event))
 		const u64 sh_size = (ElfType64 ? (*shdr_arr_64)[sh].sh_size : (*shdr_arr_32)[sh].sh_size) / 4;
 		const u64 sh_addr = (ElfType64 ? (*shdr_arr_64)[sh].sh_addr : (*shdr_arr_32)[sh].sh_addr);
 
-		const wxString name = sh < name_arr.GetCount() ? name_arr[sh] : "Unknown";
+		const std::string name = sh < name_arr.size() ? name_arr[sh] : "Unknown";
 
-		fd.Write(wxString::Format("Start of section header %s[%d] (instructions count: %d)\n", name.wx_str(), sh, sh_size));
-		prog_dial.Update(0, vsize, wxString::Format("Disasm %s section", name.wx_str()));
+		fd.Write(wxString::Format("Start of section header %s[%d] (instructions count: %d)\n", name.c_str(), sh, sh_size));
+		prog_dial.Update(0, vsize, wxString::Format("Disasm %s section", name.c_str()));
 
 		if(Memory.IsGoodAddr(sh_addr))
 		{
@@ -396,10 +396,10 @@ void DisAsmFrame::Dump(wxCommandEvent& WXUNUSED(event))
 				disasm->dump_pc = addr;
 				decoder->Decode(Memory.Read32(disasm->dump_pc));
 				fd.Write("\t");
-				fd.Write(disasm->last_opcode);
+				fd.Write(fmt::FromUTF8(disasm->last_opcode));
 			}
 		}
-		fd.Write(wxString::Format("End of section header %s[%d]\n\n", name.wx_str(), sh));
+		fd.Write(wxString::Format("End of section header %s[%d]\n\n", name.c_str(), sh));
 	}
 
 	prog_dial.Close();
@@ -481,7 +481,7 @@ void DisAsmFrame::SetPc(wxCommandEvent& WXUNUSED(event))
 
 	if(diag.ShowModal() == wxID_OK)
 	{
-		sscanf(p_pc->GetLabel(), "%llx", &CPU.PC);
+		sscanf(fmt::ToUTF8(p_pc->GetLabel()).c_str(), "%llx", &CPU.PC);
 		Resume();
 	}
 }
diff --git a/rpcs3/Gui/FrameBase.h b/rpcs3/Gui/FrameBase.h
index e6abb14287..b35a5edd40 100644
--- a/rpcs3/Gui/FrameBase.h
+++ b/rpcs3/Gui/FrameBase.h
@@ -11,7 +11,7 @@ protected:
 		wxWindow* parent,
 		wxWindowID id = wxID_ANY,
 		const wxString& framename = "UnknownFrame",
-		const wxString& ininame = wxEmptyString,
+		const std::string& ininame = "",
 		wxSize defsize = wxDefaultSize,
 		wxPoint defposition = wxDefaultPosition,
 		long style = wxDEFAULT_FRAME_STYLE,
@@ -20,7 +20,7 @@ protected:
 		, m_default_info(defsize, defposition)
 		, m_is_skip_resize(is_skip_resize)
 	{
-		m_ini.Init(ininame.IsEmpty() ? framename : ininame, "GuiSettings");
+		m_ini.Init(ininame.empty() ? fmt::ToUTF8(framename) : ininame, "GuiSettings");
 		LoadInfo();
 
 		Connect(GetId(), wxEVT_CLOSE_WINDOW, wxCloseEventHandler(FrameBase::OnClose));
diff --git a/rpcs3/Gui/GameViewer.cpp b/rpcs3/Gui/GameViewer.cpp
index 8450c81208..e7a9cb3511 100644
--- a/rpcs3/Gui/GameViewer.cpp
+++ b/rpcs3/Gui/GameViewer.cpp
@@ -2,7 +2,7 @@
 #include "GameViewer.h"
 #include "Loader/PSF.h"
 
-static const wxString m_class_name = "GameViewer";
+static const std::string m_class_name = "GameViewer";
 GameViewer::GameViewer(wxWindow* parent) : wxListView(parent)
 {
 	LoadSettings();
@@ -28,16 +28,16 @@ void GameViewer::DoResize(wxSize size)
 void GameViewer::LoadGames()
 {
 	vfsDir dir(m_path);
-	ConLog.Write("path: %s", m_path.wx_str());
+	ConLog.Write("path: %s", m_path.c_str());
 	if(!dir.IsOpened()) return;
 
-	m_games.Clear();
+	m_games.clear();
 
 	for(const DirEntryInfo* info = dir.Read(); info; info = dir.Read())
 	{
 		if(info->flags & DirEntry_TypeDir)
 		{
-			m_games.Add(info->name);
+			m_games.push_back(info->name);
 		}
 	}
 
@@ -48,9 +48,9 @@ void GameViewer::LoadGames()
 void GameViewer::LoadPSF()
 {
 	m_game_data.clear();
-	for(uint i=0; i<m_games.GetCount(); ++i)
+	for(uint i=0; i<m_games.size(); ++i)
 	{
-		const wxString& path = m_path + m_games[i] + "/PARAM.SFO";
+		const std::string path = m_path + m_games[i] + "/PARAM.SFO";
 		vfsFile f;
 		if(!f.Open(path))
 			continue;
@@ -69,8 +69,8 @@ void GameViewer::LoadPSF()
 		game.parental_lvl = psf.GetInteger("PARENTAL_LEVEL");
 		game.resolution = psf.GetInteger("RESOLUTION");
 		game.sound_format = psf.GetInteger("SOUND_FORMAT");
-		if(game.serial.Length() == 9)
-			game.serial = game.serial(0, 4) + "-" + game.serial(4, 5);
+		if(game.serial.length() == 9)
+			game.serial = game.serial.substr(0, 4) + "-" + game.serial.substr(4, 5);
 
 		m_game_data.push_back(game);
 	}
@@ -107,14 +107,14 @@ void GameViewer::DClick(wxListEvent& event)
 	long i = GetFirstSelected();
 	if(i < 0) return;
 
-	const wxString& path = m_path + m_game_data[i].root;
+	const std::string& path = m_path + m_game_data[i].root;
 
 	Emu.Stop();
 	Emu.GetVFS().Init(path);
-	wxString local_path;
-	if(Emu.GetVFS().GetDevice(path, local_path) && !Emu.BootGame(local_path.ToStdString()))
+	std::string local_path;
+	if(Emu.GetVFS().GetDevice(path, local_path) && !Emu.BootGame(local_path))
 	{
-		ConLog.Error("Boot error: elf not found! [%s]", path.wx_str());
+		ConLog.Error("Boot error: elf not found! [%s]", path.c_str());
 		return;
 	}
 	Emu.Run();
diff --git a/rpcs3/Gui/GameViewer.h b/rpcs3/Gui/GameViewer.h
index 104998036b..3a8bd61c68 100644
--- a/rpcs3/Gui/GameViewer.h
+++ b/rpcs3/Gui/GameViewer.h
@@ -7,13 +7,13 @@ struct Column
 	u32 pos;
 	u32 width;
 	bool shown;
-	wxArrayString data;
+	std::vector<std::string> data;
 
-	const wxString name;
+	const std::string name;
 	const u32 def_pos;
 	const u32 def_width;
 
-	Column(const u32 _def_pos, const u32 _def_width, const wxString& _name)
+	Column(const u32 _def_pos, const u32 _def_width, const std::string& _name)
 		: def_pos(_def_pos)
 		, def_width(_def_width)
 		, pos(_def_pos)
@@ -21,7 +21,7 @@ struct Column
 		, shown(true)
 		, name(_name)
 	{
-		data.Clear();
+		data.clear();
 	}
 
 };
@@ -91,23 +91,23 @@ public:
 
 	void Update(std::vector<GameInfo>& game_data)
 	{
-		m_col_name->data.Clear();
-		m_col_serial->data.Clear();
-		m_col_fw->data.Clear();
-		m_col_app_ver->data.Clear();
-		m_col_category->data.Clear();
-		m_col_path->data.Clear();
+		m_col_name->data.clear();
+		m_col_serial->data.clear();
+		m_col_fw->data.clear();
+		m_col_app_ver->data.clear();
+		m_col_category->data.clear();
+		m_col_path->data.clear();
 
 		if(m_columns.GetCount() == 0) return;
 
 		for(const auto& game : game_data)
 		{
-			m_col_name->data.Add(game.name);
-			m_col_serial->data.Add(game.serial);
-			m_col_fw->data.Add(game.fw);
-			m_col_app_ver->data.Add(game.app_ver);
-			m_col_category->data.Add(game.category);
-			m_col_path->data.Add(game.root);
+			m_col_name->data.push_back(game.name);
+			m_col_serial->data.push_back(game.serial);
+			m_col_fw->data.push_back(game.fw);
+			m_col_app_ver->data.push_back(game.app_ver);
+			m_col_category->data.push_back(game.category);
+			m_col_path->data.push_back(game.root);
 		}
 	}
 
@@ -118,7 +118,7 @@ public:
 		for(u32 i=0, c=0; i<c_col.GetCount(); ++i)
 		{
 			if(!c_col[i].shown) continue;
-			list->InsertColumn(c++, c_col[i].name, 0, c_col[i].width);
+			list->InsertColumn(c++, fmt::FromUTF8(c_col[i].name), 0, c_col[i].width);
 		}
 	}
 
@@ -135,15 +135,15 @@ public:
 				return;
 			}
 
-			for(u32 i=0; i<col->data.GetCount(); ++i)
+			for(u32 i=0; i<col->data.size(); ++i)
 			{
 				if(list->GetItemCount() <= (int)i) list->InsertItem(i, wxEmptyString);
-				list->SetItem(i, c, col->data[i]);
+				list->SetItem(i, c, fmt::FromUTF8(col->data[i]));
 			}			
 		}
 	}
 
-	void LoadSave(bool isLoad, const wxString& path, wxListView* list = NULL)
+	void LoadSave(bool isLoad, const std::string& path, wxListView* list = NULL)
 	{
 		if(isLoad) Init();
 		else if(list)
@@ -215,8 +215,8 @@ public:
 
 class GameViewer : public wxListView
 {
-	wxString m_path;
-	wxArrayString m_games;
+	std::string m_path;
+	std::vector<std::string> m_games;
 	std::vector<GameInfo> m_game_data;
 	ColumnsArr m_columns;
 
diff --git a/rpcs3/Gui/InstructionEditor.h b/rpcs3/Gui/InstructionEditor.h
index 5b9c508a87..4da800cbe6 100644
--- a/rpcs3/Gui/InstructionEditor.h
+++ b/rpcs3/Gui/InstructionEditor.h
@@ -98,7 +98,7 @@ void InstructionEditorDialog::updatePreview(wxCommandEvent& event)
 		{
 			disasm->dump_pc = pc;
 			((PPCDecoder*)decoder)->Decode((u32)opcode);
-			wxString preview = disasm->last_opcode;
+			wxString preview = fmt::FromUTF8(disasm->last_opcode);
 			preview.Remove(0, preview.Find(':') + 1);
 			t3_preview->SetLabel(preview);
 		}
diff --git a/rpcs3/Gui/InterpreterDisAsm.cpp b/rpcs3/Gui/InterpreterDisAsm.cpp
index 362c01dd64..26fae5083c 100644
--- a/rpcs3/Gui/InterpreterDisAsm.cpp
+++ b/rpcs3/Gui/InterpreterDisAsm.cpp
@@ -257,11 +257,11 @@ void InterpreterDisAsmFrame::ShowAddr(const u64 addr)
 
 			if(IsBreakPoint(PC))
 			{
-				m_list->SetItem(i, 0, ">>> " + disasm->last_opcode);
+				m_list->SetItem(i, 0, fmt::FromUTF8(">>> " + disasm->last_opcode));
 			}
 			else
 			{
-				m_list->SetItem(i, 0, "    " + disasm->last_opcode);
+				m_list->SetItem(i, 0, fmt::FromUTF8("    " + disasm->last_opcode));
 			}
 
 			wxColour colour;
@@ -318,11 +318,11 @@ void InterpreterDisAsmFrame::WriteRegs()
 		return;
 	}
 
-	const wxString data = CPU->RegsToString();
+	const std::string data = CPU->RegsToString();
 
 	m_regs->Freeze();
 	m_regs->Clear();
-	m_regs->WriteText(data);
+	m_regs->WriteText(fmt::FromUTF8(data));
 	m_regs->Thaw();
 }
 
@@ -334,11 +334,11 @@ void InterpreterDisAsmFrame::WriteCallStack()
 		return;
 	}
 
-	const wxString data = CPU->CallStackToString();
+	const std::string data = CPU->CallStackToString();
 
 	m_calls->Freeze();
 	m_calls->Clear();
-	m_calls->WriteText(data);
+	m_calls->WriteText(fmt::FromUTF8(data));
 	m_calls->Thaw();
 }
 
diff --git a/rpcs3/Gui/MainFrame.cpp b/rpcs3/Gui/MainFrame.cpp
index c405b9ad9d..691c8a825a 100644
--- a/rpcs3/Gui/MainFrame.cpp
+++ b/rpcs3/Gui/MainFrame.cpp
@@ -163,16 +163,16 @@ void MainFrame::AddPane(wxWindow* wind, const wxString& caption, int flags)
 
 void MainFrame::DoSettings(bool load)
 {
-	IniEntry<wxString> ini;
+	IniEntry<std::string> ini;
 	ini.Init("Settings", "MainFrameAui");
 
 	if(load)
 	{
-		m_aui_mgr.LoadPerspective(ini.LoadValue(m_aui_mgr.SavePerspective()));
+		m_aui_mgr.LoadPerspective(fmt::FromUTF8(ini.LoadValue(fmt::ToUTF8(m_aui_mgr.SavePerspective()))));
 	}
 	else
 	{
-		ini.SaveValue(m_aui_mgr.SavePerspective());
+		ini.SaveValue(fmt::ToUTF8(m_aui_mgr.SavePerspective()));
 	}
 }
 
@@ -228,7 +228,7 @@ void MainFrame::InstallPkg(wxCommandEvent& WXUNUSED(event))
 	Emu.Stop();
 	
 	// Open and install PKG file
-	std::string filePath = ctrl.GetPath().ToStdString();
+	wxString filePath = ctrl.GetPath();
 	wxFile pkg_f(filePath, wxFile::read); // TODO: Use VFS to install PKG files
 
 	if (pkg_f.IsOpened())
@@ -271,7 +271,7 @@ void MainFrame::BootElf(wxCommandEvent& WXUNUSED(event))
 
 	Emu.Stop();
 
-	Emu.SetPath(ctrl.GetPath());
+	Emu.SetPath(fmt::ToUTF8(ctrl.GetPath()));
 	Emu.Load();
 
 	ConLog.Success("(S)ELF: boot done.");
@@ -862,7 +862,7 @@ void MainFrame::UpdateUI(wxCommandEvent& event)
 	//send_exit.Enable(false);
 	bool enable_commands = !is_stopped && Emu.GetCallbackManager().m_exit_callback.m_callbacks.GetCount();
 
-	send_open_menu.SetItemLabel(wxString::Format("Send %s system menu cmd", wxString(m_sys_menu_opened ? "close" : "open").wx_str()));
+	send_open_menu.SetItemLabel(wxString::Format("Send %s system menu cmd", (m_sys_menu_opened ? "close" : "open")));
 	send_open_menu.Enable(enable_commands);
 	send_exit.Enable(enable_commands);
 
@@ -887,7 +887,7 @@ void MainFrame::OnKeyDown(wxKeyEvent& event)
 		case 'E': case 'e': if(Emu.IsPaused()) Emu.Resume(); else if(Emu.IsReady()) Emu.Run(); return;
 		case 'P': case 'p': if(Emu.IsRunning()) Emu.Pause(); return;
 		case 'S': case 's': if(!Emu.IsStopped()) Emu.Stop(); return;
-		case 'R': case 'r': if(!Emu.m_path.IsEmpty()) {Emu.Stop(); Emu.Run();} return;
+		case 'R': case 'r': if(!Emu.m_path.empty()) {Emu.Stop(); Emu.Run();} return;
 		}
 	}
 
diff --git a/rpcs3/Gui/RSXDebugger.cpp b/rpcs3/Gui/RSXDebugger.cpp
index 7a69ac0793..cb7a39adbb 100644
--- a/rpcs3/Gui/RSXDebugger.cpp
+++ b/rpcs3/Gui/RSXDebugger.cpp
@@ -828,7 +828,7 @@ wxString RSXDebugger::DisAsmCommand(u32 cmd, u32 count, u32 currentAddr, u32 ioA
 			default:                      DISASM("(Bad location!);"); break;
 			}
 			DISASM("    Cubemap:%s; Dimension:0x%x; Format:0x%x; Mipmap:0x%x",
-				wxString(((args[1] >> 2) & 0x1) ? "True" : "False").wx_str(),
+				(((args[1] >> 2) & 0x1) ? "True" : "False"),
 				((args[1] >> 4) & 0xf),
 				((args[1] >> 8) & 0xff),
 				((args[1] >> 16) & 0xffff));
diff --git a/rpcs3/Gui/RegisterEditor.h b/rpcs3/Gui/RegisterEditor.h
index 56659ffbcb..56557f4b7f 100644
--- a/rpcs3/Gui/RegisterEditor.h
+++ b/rpcs3/Gui/RegisterEditor.h
@@ -92,8 +92,8 @@ RegisterEditorDialog::RegisterEditorDialog(wxPanel *parent, u64 _pc, CPUThread*
 
 	if(ShowModal() == wxID_OK)
 	{
-		wxString reg = t1_register->GetStringSelection();
-		wxString value = t2_value->GetValue();
+		std::string reg = fmt::ToUTF8(t1_register->GetStringSelection());
+		std::string value = fmt::ToUTF8(t2_value->GetValue());
 		if (!CPU->WriteRegString(reg,value))
 			wxMessageBox("This value could not be converted.\nNo changes were made.","Error");
 	}
@@ -101,6 +101,6 @@ RegisterEditorDialog::RegisterEditorDialog(wxPanel *parent, u64 _pc, CPUThread*
 
 void RegisterEditorDialog::updateRegister(wxCommandEvent& event)
 {
-	wxString reg = t1_register->GetStringSelection();
-	t2_value->SetValue(CPU->ReadRegString(reg));
+	std::string reg = fmt::ToUTF8(t1_register->GetStringSelection());
+	t2_value->SetValue(fmt::FromUTF8(CPU->ReadRegString(reg)));
 }
diff --git a/rpcs3/Gui/TextInputDialog.cpp b/rpcs3/Gui/TextInputDialog.cpp
index 619bcf57c4..cd5047c815 100644
--- a/rpcs3/Gui/TextInputDialog.cpp
+++ b/rpcs3/Gui/TextInputDialog.cpp
@@ -1,10 +1,10 @@
 #include "stdafx.h"
 #include "TextInputDialog.h"
 
-TextInputDialog::TextInputDialog(wxWindow* parent, const wxString& defvalue)
+TextInputDialog::TextInputDialog(wxWindow* parent, const std::string& defvalue)
 	: wxDialog(parent, wxID_ANY, "Input text", wxDefaultPosition)
 {
-	m_tctrl_text = new wxTextCtrl(this, wxID_ANY, defvalue);
+	m_tctrl_text = new wxTextCtrl(this, wxID_ANY, fmt::ToUTF8(defvalue));
 
 	wxBoxSizer& s_text(*new wxBoxSizer(wxVERTICAL));
 	s_text.Add(m_tctrl_text, 1, wxEXPAND);
@@ -27,11 +27,11 @@ TextInputDialog::TextInputDialog(wxWindow* parent, const wxString& defvalue)
 
 void TextInputDialog::OnOk(wxCommandEvent& event)
 {
-	m_result = m_tctrl_text->GetValue();
+	m_result = fmt::ToUTF8(m_tctrl_text->GetValue());
 	EndModal(wxID_OK);
 }
 
-wxString& TextInputDialog::GetResult()
+std::string TextInputDialog::GetResult()
 {
 	return m_result;
 }
\ No newline at end of file
diff --git a/rpcs3/Gui/TextInputDialog.h b/rpcs3/Gui/TextInputDialog.h
index cb4cf0ab52..bc04510a53 100644
--- a/rpcs3/Gui/TextInputDialog.h
+++ b/rpcs3/Gui/TextInputDialog.h
@@ -3,11 +3,11 @@
 class TextInputDialog : public wxDialog
 {
 	wxTextCtrl* m_tctrl_text;
-	wxString m_result;
+	std::string m_result;
 
 public:
-	TextInputDialog(wxWindow* parent, const wxString& defvalue = wxEmptyString);
+	TextInputDialog(wxWindow* parent, const std::string& defvalue = "");
 	void OnOk(wxCommandEvent& event);
 
-	wxString& GetResult();
+	std::string GetResult();
 };
\ No newline at end of file
diff --git a/rpcs3/Gui/VHDDManager.cpp b/rpcs3/Gui/VHDDManager.cpp
index f64bef72b3..d8e028cc32 100644
--- a/rpcs3/Gui/VHDDManager.cpp
+++ b/rpcs3/Gui/VHDDManager.cpp
@@ -49,7 +49,7 @@ enum
 	id_add_hdd
 };
 
-VHDDExplorer::VHDDExplorer(wxWindow* parent, const wxString& hdd_path) : wxDialog(parent, wxID_ANY, "Virtual HDD Explorer", wxDefaultPosition)
+VHDDExplorer::VHDDExplorer(wxWindow* parent, const std::string& hdd_path) : wxDialog(parent, wxID_ANY, "Virtual HDD Explorer", wxDefaultPosition)
 {
 	m_list = new wxListView(this);
 	m_drop_target = new VHDDListDropTarget(m_list);
@@ -88,21 +88,21 @@ void VHDDExplorer::UpdateList()
 	m_list->Freeze();
 	m_list->DeleteAllItems();
 	m_entries.clear();
-	m_names.Clear();
+	m_names.clear();
 
 	u64 block;
 	vfsHDD_Entry entry;
-	wxString name;
+	std::string name;
 
 	for(bool is_ok = m_hdd->GetFirstEntry(block, entry, name); is_ok; is_ok = m_hdd->GetNextEntry(block, entry, name))
 	{
 		int item = m_list->GetItemCount();
-		m_list->InsertItem(item, name);
+		m_list->InsertItem(item, fmt::FromUTF8(name));
 		m_list->SetItem(item, 1, entry.type == vfsHDD_Entry_Dir ? "Dir" : "File");
 		m_list->SetItem(item, 2, wxString::Format("%lld", entry.size));
 		m_list->SetItem(item, 3, wxDateTime().Set(time_t(entry.ctime)).Format());
 		m_entries.push_back(entry);
-		m_names.Add(name);
+		m_names.push_back(name);
 	}
 
 	m_list->SetColumnWidth(0, wxLIST_AUTOSIZE_USEHEADER);
@@ -112,7 +112,7 @@ void VHDDExplorer::UpdateList()
 	m_list->Thaw();
 }
 
-void VHDDExplorer::Import(const wxString& path, const wxString& to)
+void VHDDExplorer::Import(const std::string& path, const std::string& to)
 {
 	if(!m_hdd->Create(vfsHDD_Entry_File, to))
 	{
@@ -126,7 +126,7 @@ void VHDDExplorer::Import(const wxString& path, const wxString& to)
 		return;
 	}
 
-	wxFile f(path);
+	wxFile f(fmt::FromUTF8(path));
 	char buf[256];
 
 	while(!f.Eof())
@@ -137,15 +137,15 @@ void VHDDExplorer::Import(const wxString& path, const wxString& to)
 	m_hdd->Close();
 }
 
-void VHDDExplorer::Export(const wxString& path, const wxString& to)
+void VHDDExplorer::Export(const std::string& path, const std::string& to)
 {
 	if(!m_hdd->Open(path))
 	{
-		wxMessageBox(wxString::Format("EXPORT ERROR: file open error. (%s)", path.wx_str()));
+		wxMessageBox(wxString::Format("EXPORT ERROR: file open error. (%s)", path.c_str()));
 		return;
 	}
 
-	wxFile f(to, wxFile::write);
+	wxFile f(fmt::FromUTF8(to), wxFile::write);
 	char buf[256];
 
 	while(u64 size = m_hdd->Read(buf, 256))
@@ -189,7 +189,7 @@ void VHDDExplorer::OnDropFiles(wxDropFilesEvent& event)
 	for(int i=0; i<count; ++i)
 	{
 		ConLog.Write("Importing '%s'", dropped[i].wx_str());
-		Import(dropped[i], wxFileName(dropped[i]).GetFullName());
+		Import(fmt::ToUTF8(dropped[i]), fmt::ToUTF8(wxFileName(dropped[i]).GetFullName()));
 	}
 
 	UpdateList();
@@ -248,20 +248,20 @@ void VHDDExplorer::OnRemove(wxCommandEvent& event)
 void VHDDExplorer::OnCreateDir(wxCommandEvent& event)
 {
 	int i = 1;
-	static const wxString& fmt = "New Dir (%d)";
-	while(m_hdd->HasEntry(wxString::Format(fmt, i))) i++;
+	static const std::string& fmt = "New Dir (%d)";
+	while(m_hdd->HasEntry(fmt::Format(fmt, i))) i++;
 
-	m_hdd->Create(vfsHDD_Entry_Dir, wxString::Format(fmt, i));
+	m_hdd->Create(vfsHDD_Entry_Dir, fmt::Format(fmt, i));
 	UpdateList();
 }
 
 void VHDDExplorer::OnCreateFile(wxCommandEvent& event)
 {
 	int i = 1;
-	static const wxString& fmt = "New File (%d)";
-	while(m_hdd->HasEntry(wxString::Format(fmt, i))) i++;
+	static const std::string& fmt = "New File (%d)";
+	while (m_hdd->HasEntry(fmt::Format(fmt, i))) i++;
 
-	m_hdd->Create(vfsHDD_Entry_File, wxString::Format(fmt, i));
+	m_hdd->Create(vfsHDD_Entry_File, fmt::Format(fmt, i));
 	UpdateList();
 }
 
@@ -281,7 +281,7 @@ void VHDDExplorer::OnImport(wxCommandEvent& event)
 	{
 		if(wxFileExists(paths[i]))
 		{
-			Import(paths[i], wxFileName(paths[i]).GetFullName());
+			Import(fmt::ToUTF8(paths[i]), fmt::ToUTF8(wxFileName(paths[i]).GetFullName()));
 		}
 	}
 	UpdateList();
@@ -300,20 +300,20 @@ void VHDDExplorer::OnExport(wxCommandEvent& event)
 
 		for(int sel = m_list->GetNextSelected(-1); sel != wxNOT_FOUND; sel = m_list->GetNextSelected(sel))
 		{
-			Export(m_names[sel], ctrl.GetPath() + '\\' + m_names[sel]);
+			Export(m_names[sel], fmt::ToUTF8(ctrl.GetPath()) + '\\' + m_names[sel]);
 		}
 	}
 	else
 	{
 		int sel = m_list->GetFirstSelected();
-		wxFileDialog ctrl(this, "Select export file", wxEmptyString, m_names[sel], wxFileSelectorDefaultWildcardStr, wxFD_SAVE | wxFD_OVERWRITE_PROMPT);
+		wxFileDialog ctrl(this, "Select export file", wxEmptyString, fmt::FromUTF8(m_names[sel]), wxFileSelectorDefaultWildcardStr, wxFD_SAVE | wxFD_OVERWRITE_PROMPT);
 
 		if(ctrl.ShowModal() == wxID_CANCEL)
 		{
 			return;
 		}
 
-		Export(m_names[sel], ctrl.GetPath());
+		Export(m_names[sel], fmt::ToUTF8(ctrl.GetPath()));
 	}
 
 	UpdateList();
@@ -446,7 +446,7 @@ void VHDDManagerDialog::AddHDD(wxCommandEvent& event)
 		bool skip = false;
 		for(size_t j=0; j<m_paths.size(); ++j)
 		{
-			if(m_paths[j].CmpNoCase(paths[i]) == 0)
+			if(fmt::FromUTF8(m_paths[j]).CmpNoCase(paths[i]) == 0)
 			{
 				skip = true;
 				break;
@@ -455,7 +455,7 @@ void VHDDManagerDialog::AddHDD(wxCommandEvent& event)
 		
 		if(!skip)
 		{
-			m_paths.emplace_back(paths[i]);
+			m_paths.emplace_back(fmt::ToUTF8(paths[i]));
 		}
 	}
 	UpdateList();
@@ -505,8 +505,8 @@ void VHDDManagerDialog::OnCreateHDD(wxCommandEvent& event)
 	{
 		u64 size, bsize;
 		dial.GetResult(size, bsize);
-		vfsHDDManager::CreateHDD(ctrl.GetPath(), size, bsize);
-		m_paths.push_back(ctrl.GetPath());
+		vfsHDDManager::CreateHDD(fmt::ToUTF8(ctrl.GetPath()), size, bsize);
+		m_paths.push_back(fmt::ToUTF8(ctrl.GetPath()));
 		UpdateList();
 	}
 }
@@ -526,9 +526,9 @@ void VHDDManagerDialog::LoadPaths()
 
 	for(size_t i=0; i<count; ++i)
 	{
-		IniEntry<wxString> path_entry;
-		path_entry.Init(wxString::Format("path[%d]", i), "HDDManager");
-		m_paths.emplace_back(path_entry.LoadValue(wxEmptyString));
+		IniEntry<std::string> path_entry;
+		path_entry.Init(fmt::Format("path[%d]", i), "HDDManager");
+		m_paths.emplace_back(path_entry.LoadValue(""));
 	}
 }
 
@@ -540,8 +540,8 @@ void VHDDManagerDialog::SavePaths()
 
 	for(size_t i=0; i<m_paths.size(); ++i)
 	{
-		IniEntry<wxString> path_entry;
-		path_entry.Init(wxString::Format("path[%d]", i), "HDDManager");
+		IniEntry<std::string> path_entry;
+		path_entry.Init(fmt::Format("path[%d]", i), "HDDManager");
 		path_entry.SaveValue(m_paths[i]);
 	}
 }
diff --git a/rpcs3/Gui/VHDDManager.h b/rpcs3/Gui/VHDDManager.h
index 8632f225bb..e598a10161 100644
--- a/rpcs3/Gui/VHDDManager.h
+++ b/rpcs3/Gui/VHDDManager.h
@@ -22,17 +22,17 @@ public:
 class VHDDExplorer : public wxDialog
 {
 	std::vector<vfsHDD_Entry> m_entries;
-	wxArrayString m_names;
+	std::vector<std::string> m_names;
 	wxListView* m_list;
 	vfsHDD* m_hdd;
 	VHDDListDropTarget* m_drop_target;
 
 public:
-	VHDDExplorer(wxWindow* parent, const wxString& hdd_path);
+	VHDDExplorer(wxWindow* parent, const std::string& hdd_path);
 
 	void UpdateList();
-	void Import(const wxString& path, const wxString& to);
-	void Export(const wxString& path, const wxString& to);
+	void Import(const std::string& path, const std::string& to);
+	void Export(const std::string& path, const std::string& to);
 
 	void OnListDrag(wxListEvent& event);
 	void OnDropFiles(wxDropFilesEvent& event);
@@ -66,7 +66,7 @@ public:
 
 class VHDDManagerDialog : public wxDialog
 {
-	std::vector<wxString> m_paths;
+	std::vector<std::string> m_paths;
 	wxListView* m_list;
 
 public:
diff --git a/rpcs3/Ini.cpp b/rpcs3/Ini.cpp
index 8ab63d3ca3..28b8375084 100644
--- a/rpcs3/Ini.cpp
+++ b/rpcs3/Ini.cpp
@@ -33,7 +33,7 @@ static wxSize StringToSize(const wxString& str)
 {
 	wxSize ret;
 
-	wxString s[2] = {wxEmptyString};
+	wxString s[2] = {wxEmptyString, wxEmptyString};
 
 	for(uint i=0, a=0; i<str.Length(); ++i)
 	{
@@ -71,7 +71,7 @@ static wxPoint StringToPosition(const wxString& str)
 {
 	wxPoint ret;
 
-	wxString s[2] = {wxEmptyString};
+	wxString s[2] = {wxEmptyString, wxEmptyString};
 
 	for(uint i=0, a=0; i<str.Length(); ++i)
 	{
@@ -109,7 +109,7 @@ static WindowInfo StringToWindowInfo(const wxString& str)
 {
 	WindowInfo ret = WindowInfo(wxDefaultSize, wxDefaultPosition);
 
-	wxString s[4] = {wxEmptyString};
+	wxString s[4] = {wxEmptyString, wxEmptyString, wxEmptyString, wxEmptyString};
 
 	for(uint i=0, a=0; i<str.Length(); ++i)
 	{
@@ -179,9 +179,9 @@ void Ini::Save(const wxString& key, wxPoint value)
 	m_Config->Write(key, PositionToString(value));
 }
 
-void Ini::Save(const wxString& key, wxString value)
+void Ini::Save(const wxString& key, const std::string& value)
 {
-	m_Config->Write(key, value);
+	m_Config->Write(key, fmt::FromUTF8(value));
 }
 
 void Ini::Save(const wxString& key, WindowInfo value)
@@ -209,9 +209,9 @@ wxPoint Ini::Load(const wxString& key, const wxPoint def_value)
 	return StringToPosition(m_Config->Read(key, PositionToString(def_value)));
 }
 
-wxString Ini::Load(const wxString& key, const wxString& def_value)
+std::string Ini::Load(const wxString& key, const std::string& def_value)
 {
-	return m_Config->Read(key, def_value);
+	return fmt::ToUTF8(m_Config->Read(key, def_value));
 }
 
 WindowInfo Ini::Load(const wxString& key, const WindowInfo& def_value)
diff --git a/rpcs3/Ini.h b/rpcs3/Ini.h
index d8f7e55f9c..b273d69577 100644
--- a/rpcs3/Ini.h
+++ b/rpcs3/Ini.h
@@ -29,30 +29,30 @@ protected:
 	virtual void Save(const wxString& key, bool value);
 	virtual void Save(const wxString& key, wxSize value);
 	virtual void Save(const wxString& key, wxPoint value);
-	virtual void Save(const wxString& key, wxString value);
+	virtual void Save(const wxString& key, const std::string& value);
 	virtual void Save(const wxString& key, WindowInfo value);
 
 	virtual int Load(const wxString& key, const int def_value);
 	virtual bool Load(const wxString& key, const bool def_value);
 	virtual wxSize Load(const wxString& key, const wxSize def_value);
 	virtual wxPoint Load(const wxString& key, const wxPoint def_value);
-	virtual wxString Load(const wxString& key, const wxString& def_value);
+	virtual std::string Load(const wxString& key, const std::string& def_value);
 	virtual WindowInfo Load(const wxString& key, const WindowInfo& def_value);
 };
 
 template<typename T> struct IniEntry : public Ini
 {
 	T m_value;
-	wxString m_key;
+	std::string m_key;
 
 	IniEntry() : Ini()
 	{
 	}
 
-	void Init(const wxString& key, const wxString& path)
+	void Init(const std::string& key, const std::string& path)
 	{
 		m_key = key;
-		m_Config->SetPath(path);
+		m_Config->SetPath(fmt::FromUTF8(path));
 	}
 
 	void SetValue(const T& value)
@@ -89,7 +89,7 @@ template<typename T> struct IniEntry : public Ini
 class Inis
 {
 private:
-	const wxString DefPath;
+	const std::string DefPath;
 
 public:
 	IniEntry<u8> CPUDecoderMode;
@@ -133,7 +133,7 @@ public:
 public:
 	Inis() : DefPath("EmuSettings")
 	{
-		wxString path;
+		std::string path;
 
 		path = DefPath + "/" + "CPU";
 		CPUDecoderMode.Init("DecoderMode", path);
diff --git a/rpcs3/Loader/ELF32.cpp b/rpcs3/Loader/ELF32.cpp
index 9d7b3b84f2..a68a0c2ce1 100644
--- a/rpcs3/Loader/ELF32.cpp
+++ b/rpcs3/Loader/ELF32.cpp
@@ -184,7 +184,7 @@ bool ELF32Loader::LoadShdrInfo()
 			name.AddCpy(c);
 		}
 		name.AddCpy('\0');
-		shdr_name_arr.Add(wxString(name.GetPtr(), wxConvUTF8));	
+		shdr_name_arr.push_back(std::string(name.GetPtr()));	
 	}
 
 	return true;
@@ -275,13 +275,13 @@ bool ELF32Loader::LoadPhdrData(u64 _offset)
 
 			if(note.descsz == sizeof(note.desc))
 			{
-				ConLog.Warning("name = %s", wxString(note.name, 8).wx_str());
+				ConLog.Warning("name = %s", std::string((const char *)note.name, 8).c_str());
 				ConLog.Warning("ls_size = %d", note.desc.ls_size);
 				ConLog.Warning("stack_size = %d", note.desc.stack_size);
 			}
 			else
 			{
-				ConLog.Warning("desc = '%s'", wxString(note.desc_text, 32).wx_str());
+				ConLog.Warning("desc = '%s'", std::string(note.desc_text, 32).c_str());
 			}
 		}
 #ifdef LOADER_DEBUG
@@ -299,7 +299,7 @@ bool ELF32Loader::LoadShdrData(u64 offset)
 		Elf32_Shdr& shdr = shdr_arr[i];
 
 #ifdef LOADER_DEBUG
-		if(i < shdr_name_arr.GetCount()) ConLog.Write("Name: %s", shdr_name_arr[i].wx_str());
+		if(i < shdr_name_arr.GetCount()) ConLog.Write("Name: %s", shdr_name_arr[i].c_str());
 		shdr.Show();
 		ConLog.SkipLn();
 #endif
diff --git a/rpcs3/Loader/ELF32.h b/rpcs3/Loader/ELF32.h
index 10154db8c9..50713431fc 100644
--- a/rpcs3/Loader/ELF32.h
+++ b/rpcs3/Loader/ELF32.h
@@ -27,13 +27,13 @@ struct Elf32_Ehdr
 	{
 #ifdef LOADER_DEBUG
 		ConLog.Write("Magic: %08x",								e_magic);
-		ConLog.Write("Class: %s",								wxString("ELF32").wx_str());
-		ConLog.Write("Data: %s",								Ehdr_DataToString(e_data).wx_str());
+		ConLog.Write("Class: %s",								"ELF32");
+		ConLog.Write("Data: %s",								Ehdr_DataToString(e_data).c_str());
 		ConLog.Write("Current Version: %d",						e_curver);
-		ConLog.Write("OS/ABI: %s",								Ehdr_OS_ABIToString(e_os_abi).wx_str());
+		ConLog.Write("OS/ABI: %s",								Ehdr_OS_ABIToString(e_os_abi).c_str());
 		ConLog.Write("ABI version: %lld",						e_abi_ver);
-		ConLog.Write("Type: %s",								Ehdr_TypeToString(e_type).wx_str());
-		ConLog.Write("Machine: %s",								Ehdr_MachineToString(e_machine).wx_str());
+		ConLog.Write("Type: %s",								Ehdr_TypeToString(e_type).c_str());
+		ConLog.Write("Machine: %s",								Ehdr_MachineToString(e_machine).c_str());
 		ConLog.Write("Version: %d",								e_version);
 		ConLog.Write("Entry point address: 0x%x",				e_entry);
 		ConLog.Write("Program headers offset: 0x%08x",			e_phoff);
@@ -268,13 +268,13 @@ struct Elf32_Phdr
 	void Show()
 	{
 #ifdef LOADER_DEBUG
-		ConLog.Write("Type: %s",					Phdr_TypeToString(p_type).wx_str());
+		ConLog.Write("Type: %s",					Phdr_TypeToString(p_type).c_str());
 		ConLog.Write("Offset: 0x%08x",				p_offset);
 		ConLog.Write("Virtual address: 0x%08x",		p_vaddr);
 		ConLog.Write("Physical address: 0x%08x",	p_paddr);
 		ConLog.Write("File size: 0x%08x",			p_filesz);
 		ConLog.Write("Memory size: 0x%08x",			p_memsz);
-		ConLog.Write("Flags: %s",					Phdr_FlagsToString(p_flags).wx_str());
+		ConLog.Write("Flags: %s",					Phdr_FlagsToString(p_flags).c_str());
 		ConLog.Write("Align: 0x%x",					p_align);
 #endif
 	}
@@ -286,7 +286,7 @@ class ELF32Loader : public LoaderBase
 
 public:
 	Elf32_Ehdr ehdr;
-	wxArrayString shdr_name_arr;
+	std::vector<std::string> shdr_name_arr;
 	Array<Elf32_Shdr> shdr_arr;
 	Array<Elf32_Phdr> phdr_arr;
 
diff --git a/rpcs3/Loader/ELF64.cpp b/rpcs3/Loader/ELF64.cpp
index 321e3723ed..2093b89790 100644
--- a/rpcs3/Loader/ELF64.cpp
+++ b/rpcs3/Loader/ELF64.cpp
@@ -152,7 +152,7 @@ bool ELF64Loader::LoadPhdrInfo(s64 offset)
 bool ELF64Loader::LoadShdrInfo(s64 offset)
 {
 	shdr_arr.Clear();
-	shdr_name_arr.Clear();
+	shdr_name_arr.clear();
 	if(ehdr.e_shoff == 0 && ehdr.e_shnum)
 	{
 		ConLog.Warning("LoadShdr64 error: Section header offset is null!");
@@ -185,7 +185,7 @@ bool ELF64Loader::LoadShdrInfo(s64 offset)
 			name.AddCpy(c);
 		}
 		name.AddCpy('\0');
-		shdr_name_arr.Add(wxString(name.GetPtr(), wxConvUTF8));
+		shdr_name_arr.push_back(std::string(name.GetPtr()));
 	}
 
 	return true;
@@ -336,15 +336,15 @@ bool ELF64Loader::LoadPhdrData(u64 offset)
 						stub.s_nid = re(stub.s_nid);
 						stub.s_text = re(stub.s_text);
 
-						const wxString& module_name = Memory.ReadString(stub.s_modulename);
-						Module* module = GetModuleByName(module_name.ToStdString());
+						const std::string& module_name = Memory.ReadString(stub.s_modulename);
+						Module* module = GetModuleByName(module_name);
 						if(module)
 						{
 							//module->SetLoaded();
 						}
 						else
 						{
-							ConLog.Warning("Unknown module '%s'", module_name.wx_str());
+							ConLog.Warning("Unknown module '%s'", module_name.c_str());
 						}
 
 #ifdef LOADER_DEBUG
@@ -354,7 +354,7 @@ bool ELF64Loader::LoadPhdrData(u64 offset)
 						ConLog.Write("*** unk0: 0x%x", stub.s_unk0);
 						ConLog.Write("*** unk1: 0x%x", stub.s_unk1);
 						ConLog.Write("*** imports: %d", stub.s_imports);
-						ConLog.Write("*** module name: %s [0x%x]", module_name.wx_str(), stub.s_modulename);
+						ConLog.Write("*** module name: %s [0x%x]", module_name.c_str(), stub.s_modulename);
 						ConLog.Write("*** nid: 0x%x", stub.s_nid);
 						ConLog.Write("*** text: 0x%x", stub.s_text);
 #endif
@@ -371,7 +371,7 @@ bool ELF64Loader::LoadPhdrData(u64 offset)
 							{
 								if(!module->Load(nid))
 								{
-									ConLog.Warning("Unknown function 0x%08x in '%s' module", nid, module_name.wx_str());
+									ConLog.Warning("Unknown function 0x%08x in '%s' module", nid, module_name.c_str());
 									SysCalls::DoFunc(nid);
 								}
 							}
@@ -415,12 +415,10 @@ bool ELF64Loader::LoadShdrData(u64 offset)
 	{
 		Elf64_Shdr& shdr = shdr_arr[i];
 
-		if(i < shdr_name_arr.GetCount())
+		if(i < shdr_name_arr.size())
 		{
-			const wxString& name = shdr_name_arr[i];
-
 #ifdef LOADER_DEBUG
-			ConLog.Write("Name: %s", shdr_name_arr[i].wx_str());
+			ConLog.Write("Name: %s", shdr_name_arr[i].c_str());
 #endif
 		}
 
diff --git a/rpcs3/Loader/ELF64.h b/rpcs3/Loader/ELF64.h
index 9e977c7241..8d56e0cf73 100644
--- a/rpcs3/Loader/ELF64.h
+++ b/rpcs3/Loader/ELF64.h
@@ -50,13 +50,13 @@ struct Elf64_Ehdr
 	{
 #ifdef LOADER_DEBUG
 		ConLog.Write("Magic: %08x",								e_magic);
-		ConLog.Write("Class: %s",								wxString("ELF64").wx_str());
-		ConLog.Write("Data: %s",								Ehdr_DataToString(e_data).wx_str());
+		ConLog.Write("Class: %s",								"ELF64");
+		ConLog.Write("Data: %s",								Ehdr_DataToString(e_data).c_str());
 		ConLog.Write("Current Version: %d",						e_curver);
-		ConLog.Write("OS/ABI: %s",								Ehdr_OS_ABIToString(e_os_abi).wx_str());
+		ConLog.Write("OS/ABI: %s",								Ehdr_OS_ABIToString(e_os_abi).c_str());
 		ConLog.Write("ABI version: %lld",						e_abi_ver);
-		ConLog.Write("Type: %s",								Ehdr_TypeToString(e_type).wx_str());
-		ConLog.Write("Machine: %s",								Ehdr_MachineToString(e_machine).wx_str());
+		ConLog.Write("Type: %s",								Ehdr_TypeToString(e_type).c_str());
+		ConLog.Write("Machine: %s",								Ehdr_MachineToString(e_machine).c_str());
 		ConLog.Write("Version: %d",								e_version);
 		ConLog.Write("Entry point address: 0x%08llx",			e_entry);
 		ConLog.Write("Program headers offset: 0x%08llx",		e_phoff);
@@ -145,13 +145,13 @@ struct Elf64_Phdr
 	void Show()
 	{
 #ifdef LOADER_DEBUG
-		ConLog.Write("Type: %s",					Phdr_TypeToString(p_type).wx_str());
+		ConLog.Write("Type: %s",					Phdr_TypeToString(p_type).c_str());
 		ConLog.Write("Offset: 0x%08llx",			p_offset);
 		ConLog.Write("Virtual address: 0x%08llx",	p_vaddr);
 		ConLog.Write("Physical address: 0x%08llx",	p_paddr);
 		ConLog.Write("File size: 0x%08llx",			p_filesz);
 		ConLog.Write("Memory size: 0x%08llx",		p_memsz);
-		ConLog.Write("Flags: %s",					Phdr_FlagsToString(p_flags).wx_str());
+		ConLog.Write("Flags: %s",					Phdr_FlagsToString(p_flags).c_str());
 		ConLog.Write("Align: 0x%llx",				p_align);
 #endif
 	}
@@ -163,7 +163,7 @@ class ELF64Loader : public LoaderBase
 
 public:
 	Elf64_Ehdr ehdr;
-	wxArrayString shdr_name_arr;
+	std::vector<std::string> shdr_name_arr;
 	Array<Elf64_Shdr> shdr_arr;
 	Array<Elf64_Phdr> phdr_arr;
 
diff --git a/rpcs3/Loader/Loader.cpp b/rpcs3/Loader/Loader.cpp
index b9107cce0e..be0ac775fc 100644
--- a/rpcs3/Loader/Loader.cpp
+++ b/rpcs3/Loader/Loader.cpp
@@ -7,15 +7,15 @@
 
 static const u64 g_spu_offset = 0x10000;
 
-const wxString Ehdr_DataToString(const u8 data)
+const std::string Ehdr_DataToString(const u8 data)
 {
-	if(data > 1) return wxString::Format("%d's complement, big endian", data);
+	if(data > 1) return fmt::Format("%d's complement, big endian", data);
 	if(data < 1) return "Data is not found";
 
-	return wxString::Format("%d's complement, small endian", data);
+	return fmt::Format("%d's complement, small endian", data);
 }
 
-const wxString Ehdr_TypeToString(const u16 type)
+const std::string Ehdr_TypeToString(const u16 type)
 {
 	switch(type)
 	{
@@ -23,10 +23,10 @@ const wxString Ehdr_TypeToString(const u16 type)
 	case 2: return "EXEC (Executable file)";
 	};
 
-	return wxString::Format("Unknown (%d)", type);
+	return fmt::Format("Unknown (%d)", type);
 }
 
-const wxString Ehdr_OS_ABIToString(const u8 os_abi)
+const std::string Ehdr_OS_ABIToString(const u8 os_abi)
 {
 	switch(os_abi)
 	{
@@ -34,10 +34,10 @@ const wxString Ehdr_OS_ABIToString(const u8 os_abi)
 	case 0x66: return "Cell OS LV-2";
 	};
 
-	return wxString::Format("Unknown (%x)", os_abi);
+	return fmt::Format("Unknown (%x)", os_abi);
 }
 
-const wxString Ehdr_MachineToString(const u16 machine)
+const std::string Ehdr_MachineToString(const u16 machine)
 {
 	switch(machine)
 	{
@@ -47,32 +47,32 @@ const wxString Ehdr_MachineToString(const u16 machine)
 	case MACHINE_ARM:	return "ARM";
 	};
 
-	return wxString::Format("Unknown (%x)", machine);
+	return fmt::Format("Unknown (%x)", machine);
 }
 
-const wxString Phdr_FlagsToString(u32 flags)
+const std::string Phdr_FlagsToString(u32 flags)
 {
 	enum {ppu_R = 0x1, ppu_W = 0x2, ppu_E = 0x4};
 	enum {spu_E = 0x1, spu_W = 0x2, spu_R = 0x4};
 	enum {rsx_R = 0x1, rsx_W = 0x2, rsx_E = 0x4};
 
 #define FLAGS_TO_STRING(f) \
-	wxString(f & f##_R ? "R" : "-") + \
-	wxString(f & f##_W ? "W" : "-") + \
-	wxString(f & f##_E ? "E" : "-")
+	std::string(f & f##_R ? "R" : "-") + \
+	std::string(f & f##_W ? "W" : "-") + \
+	std::string(f & f##_E ? "E" : "-")
 
 	const u8 ppu = flags & 0xf;
 	const u8 spu = (flags >> 0x14) & 0xf;
 	const u8 rsx = (flags >> 0x18) & 0xf;
 
-	wxString ret = wxEmptyString;
-	ret += wxString::Format("[0x%x] ", flags);
+	std::string ret;
+	ret += fmt::Format("[0x%x] ", flags);
 
 	flags &= ~ppu;
 	flags &= ~spu << 0x14;
 	flags &= ~rsx << 0x18;
 
-	if(flags != 0) return wxString::Format("Unknown %s PPU[%x] SPU[%x] RSX[%x]", ret.wx_str(), ppu, spu, rsx);
+	if(flags != 0) return fmt::Format("Unknown %s PPU[%x] SPU[%x] RSX[%x]", ret.c_str(), ppu, spu, rsx);
 
 	ret += "PPU[" + FLAGS_TO_STRING(ppu) + "] ";
 	ret += "SPU[" + FLAGS_TO_STRING(spu) + "] ";
@@ -81,7 +81,7 @@ const wxString Phdr_FlagsToString(u32 flags)
 	return ret;
 }
 
-const wxString Phdr_TypeToString(const u32 type)
+const std::string Phdr_TypeToString(const u32 type)
 {
 	switch(type)
 	{
@@ -92,7 +92,7 @@ const wxString Phdr_TypeToString(const u32 type)
 	case 0x60000002: return "LOOS+2";
 	};
 
-	return wxString::Format("Unknown (%x)", type);
+	return fmt::Format("Unknown (%x)", type);
 }
 
 Loader::Loader()
@@ -163,9 +163,9 @@ bool Loader::Load()
 	}
 
 	/*
-	const wxString& root = wxFileName(wxFileName(m_stream->GetPath()).GetPath()).GetPath();
-	wxString ps3_path;
-	const wxString& psf_path = root + "/" + "PARAM.SFO";
+	const std::string& root = fmt::ToUTF8(wxFileName(wxFileName(m_stream->GetPath()).GetPath()).GetPath());
+	std::string ps3_path;
+	const std::string& psf_path = root + "/" + "PARAM.SFO";
 	vfsFile f(psf_path);
 	if(f.IsOpened())
 	{
diff --git a/rpcs3/Loader/Loader.h b/rpcs3/Loader/Loader.h
index 25eedd0912..c650a876b9 100644
--- a/rpcs3/Loader/Loader.h
+++ b/rpcs3/Loader/Loader.h
@@ -116,12 +116,12 @@ __forceinline static void Write64LE(wxFile& f, const u64 data)
 	Write32LE(f, data >> 32);
 }
 
-const wxString Ehdr_DataToString(const u8 data);
-const wxString Ehdr_TypeToString(const u16 type);
-const wxString Ehdr_OS_ABIToString(const u8 os_abi);
-const wxString Ehdr_MachineToString(const u16 machine);
-const wxString Phdr_FlagsToString(u32 flags);
-const wxString Phdr_TypeToString(const u32 type);
+const std::string Ehdr_DataToString(const u8 data);
+const std::string Ehdr_TypeToString(const u16 type);
+const std::string Ehdr_OS_ABIToString(const u8 os_abi);
+const std::string Ehdr_MachineToString(const u16 machine);
+const std::string Phdr_FlagsToString(u32 flags);
+const std::string Phdr_TypeToString(const u32 type);
 
 struct sys_process_param_info
 {
@@ -210,7 +210,7 @@ public:
 	Loader(vfsFileBase& stream);
 	~Loader();
 
-	void Open(const wxString& path);
+	void Open(const std::string& path);
 	void Open(vfsFileBase& stream);
 	bool Analyze();
 
diff --git a/rpcs3/Loader/PKG.cpp b/rpcs3/Loader/PKG.cpp
index 9fdabcd59e..3faf6fdb25 100644
--- a/rpcs3/Loader/PKG.cpp
+++ b/rpcs3/Loader/PKG.cpp
@@ -12,7 +12,7 @@ bool PKGLoader::Install(std::string dest)
 	if (!pkg_f.IsOpened())
 		return false;
 
-	dest = wxGetCwd() + dest;
+	dest = fmt::ToUTF8(wxGetCwd()) + dest;
 	if (!dest.empty() && dest.back() != '/')
 		dest += '/';
 
@@ -23,18 +23,18 @@ bool PKGLoader::Install(std::string dest)
 	
 	std::string titleID = std::string(title_id).substr(7, 9);
 
-	if (wxDirExists(dest+titleID)) {
+	if (wxDirExists(fmt::FromUTF8(dest+titleID))) {
 		wxMessageDialog d_overwrite(NULL, "Another installation was found. Do you want to overwrite it?", "PKG Decrypter / Installer", wxYES_NO|wxCENTRE);
 		if (d_overwrite.ShowModal() != wxID_YES) {
-			ConLog.Error("PKG Loader: Another installation found in: %s", wxString(titleID).wx_str());
+			ConLog.Error("PKG Loader: Another installation found in: %s", titleID.c_str());
 			return false;
 		}
 		// TODO: Remove the following two lines and remove the folder dest+titleID
-		ConLog.Error("PKG Loader: Another installation found in: %s", wxString(titleID).wx_str());
+		ConLog.Error("PKG Loader: Another installation found in: %s", titleID.c_str());
 		return false;
 	}
-	if (!wxMkdir(dest+titleID)) {
-		ConLog.Error("PKG Loader: Could not make the installation directory: %s", wxString(titleID).wx_str());
+	if (!wxMkdir(fmt::FromUTF8(dest+titleID))) {
+		ConLog.Error("PKG Loader: Could not make the installation directory: %s", titleID.c_str());
 		return false;
 	}
 
@@ -46,7 +46,7 @@ bool PKGLoader::Install(std::string dest)
 	}
 	else
 	{
-		ConLog.Write("PKG Loader: Package successfully installed in: /dev_hdd0/game/%s", wxString(titleID.c_str()).wx_str());
+		ConLog.Write("PKG Loader: Package successfully installed in: /dev_hdd0/game/%s", titleID.c_str());
 		return true;
 	}
 }
diff --git a/rpcs3/Loader/PSF.cpp b/rpcs3/Loader/PSF.cpp
index 83053cc942..03c5d7f124 100644
--- a/rpcs3/Loader/PSF.cpp
+++ b/rpcs3/Loader/PSF.cpp
@@ -94,7 +94,7 @@ bool PSFLoader::LoadDataTable()
 	return true;
 }
 
-const char* PSFLoader::GetString(const std::string& key)
+std::string PSFLoader::GetString(const std::string& key)
 {
 	if(PSFEntry* entry = SearchEntry(key))
 		return entry->FormatString();
diff --git a/rpcs3/Loader/PSF.h b/rpcs3/Loader/PSF.h
index 8b2cb799f3..7cd8db139b 100644
--- a/rpcs3/Loader/PSF.h
+++ b/rpcs3/Loader/PSF.h
@@ -27,16 +27,16 @@ struct PSFEntry
 	u16 fmt;
 	char param[4096];
 
-	const char* FormatString() const
+	std::string FormatString() const
 	{
 		switch(fmt)
 		{
 		default:
 		case 0x0400:
 		case 0x0402:
-			return (const char*)param;
+			return std::string(param);
 		case 0x0404:
-			return (const char*)wxString::Format("0x%x", FormatInteger()).mb_str();
+			return fmt::Format("0x%x", FormatInteger());
 		}
 	}
 
@@ -65,6 +65,6 @@ public:
 	virtual bool Close();
 
 	PSFEntry* SearchEntry(const std::string& key);
-	const char* GetString(const std::string& key);
+	std::string GetString(const std::string& key);
 	u32 GetInteger(const std::string& key);
 };
\ No newline at end of file
diff --git a/rpcs3/Loader/SELF.h b/rpcs3/Loader/SELF.h
index b8d3a67950..63ac82f90f 100644
--- a/rpcs3/Loader/SELF.h
+++ b/rpcs3/Loader/SELF.h
@@ -25,7 +25,7 @@ struct SceHeader
 	void Show()
 	{
 		ConLog.Write("Magic: %08x",			se_magic);
-		ConLog.Write("Class: %s",			wxString("SELF").wx_str());
+		ConLog.Write("Class: %s",			"SELF");
 		ConLog.Write("hver: 0x%08x",		se_hver);
 		ConLog.Write("flags: 0x%04x",		se_flags);
 		ConLog.Write("type: 0x%04x",		se_type);
diff --git a/rpcs3/Loader/TROPUSR.cpp b/rpcs3/Loader/TROPUSR.cpp
index 03483701e9..738e00ca46 100644
--- a/rpcs3/Loader/TROPUSR.cpp
+++ b/rpcs3/Loader/TROPUSR.cpp
@@ -120,10 +120,10 @@ bool TROPUSRLoader::Save(const std::string& filepath)
 
 bool TROPUSRLoader::Generate(const std::string& filepath, const std::string& configpath)
 {
-	wxString path;
+	std::string path;
 	wxXmlDocument doc;
 	Emu.GetVFS().GetDevice(configpath.c_str(), path);
-	doc.Load(path);
+	doc.Load(fmt::FromUTF8(path));
 
 	m_table4.clear();
 	m_table6.clear();
diff --git a/rpcs3/Loader/TRP.cpp b/rpcs3/Loader/TRP.cpp
index 3de3738208..de38f9cbca 100644
--- a/rpcs3/Loader/TRP.cpp
+++ b/rpcs3/Loader/TRP.cpp
@@ -58,7 +58,7 @@ bool TRPLoader::LoadHeader(bool show)
 			return false;
 
 		if (show)
-			ConLog.Write("TRP entry #%d: %s", wxString(m_entries[i].name).wx_str());
+			ConLog.Write("TRP entry #%d: %s", m_entries[i].name);
 	}
 
 	return true;
diff --git a/rpcs3/rpcs3.cpp b/rpcs3/rpcs3.cpp
index b58fd00f5e..e46eea3d9a 100644
--- a/rpcs3/rpcs3.cpp
+++ b/rpcs3/rpcs3.cpp
@@ -47,7 +47,7 @@ void Rpcs3App::OnArguments()
 		// Force this value to be true
 		Ini.HLEExitOnStop.SetValue(true);
 
-		Emu.SetPath(argv[1]);
+		Emu.SetPath(fmt::ToUTF8(argv[1]));
 		Emu.Load();
 		Emu.Run();
 	}
diff --git a/rpcs3/rpcs3.vcxproj b/rpcs3/rpcs3.vcxproj
index 80574729e6..5aa56519bc 100644
--- a/rpcs3/rpcs3.vcxproj
+++ b/rpcs3/rpcs3.vcxproj
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+<Project DefaultTargets="Build" ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <ItemGroup Label="ProjectConfigurations">
     <ProjectConfiguration Include="Debug|Win32">
       <Configuration>Debug</Configuration>
@@ -28,20 +28,20 @@
     <ConfigurationType>Application</ConfigurationType>
     <UseDebugLibraries>true</UseDebugLibraries>
     <CharacterSet>Unicode</CharacterSet>
-    <PlatformToolset>v110</PlatformToolset>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <UseDebugLibraries>true</UseDebugLibraries>
     <CharacterSet>Unicode</CharacterSet>
-    <PlatformToolset>v110</PlatformToolset>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <UseDebugLibraries>false</UseDebugLibraries>
     <WholeProgramOptimization>true</WholeProgramOptimization>
     <CharacterSet>Unicode</CharacterSet>
-    <PlatformToolset>v110</PlatformToolset>
+    <PlatformToolset>v120</PlatformToolset>
     <CLRSupport>false</CLRSupport>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
@@ -49,7 +49,7 @@
     <UseDebugLibraries>false</UseDebugLibraries>
     <WholeProgramOptimization>true</WholeProgramOptimization>
     <CharacterSet>Unicode</CharacterSet>
-    <PlatformToolset>v110</PlatformToolset>
+    <PlatformToolset>v120</PlatformToolset>
     <CLRSupport>false</CLRSupport>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
@@ -207,6 +207,7 @@
   </ItemDefinitionGroup>
   <ItemGroup>
     <ClCompile Include="..\Utilities\SMutex.cpp" />
+    <ClCompile Include="..\Utilities\StrFmt.cpp" />
     <ClCompile Include="..\Utilities\Thread.cpp" />
     <ClCompile Include="AppConnector.cpp" />
     <ClCompile Include="Crypto\aes.cpp" />
@@ -362,6 +363,7 @@
     <ClInclude Include="..\Utilities\MTProgressDialog.h" />
     <ClInclude Include="..\Utilities\SMutex.h" />
     <ClInclude Include="..\Utilities\SQueue.h" />
+    <ClInclude Include="..\Utilities\StrFmt.h" />
     <ClInclude Include="..\Utilities\Thread.h" />
     <ClInclude Include="..\Utilities\Timer.h" />
     <ClInclude Include="Crypto\aes.h" />
diff --git a/rpcs3/rpcs3.vcxproj.filters b/rpcs3/rpcs3.vcxproj.filters
index b82ef165e5..1c1ed0a365 100644
--- a/rpcs3/rpcs3.vcxproj.filters
+++ b/rpcs3/rpcs3.vcxproj.filters
@@ -484,6 +484,9 @@
     <ClCompile Include="Emu\Cell\SPURSManager.cpp">
       <Filter>Emu\Cell</Filter>
     </ClCompile>
+    <ClCompile Include="..\Utilities\StrFmt.cpp">
+      <Filter>Utilities</Filter>
+    </ClCompile>
   </ItemGroup>
   <ItemGroup>
     <ResourceCompile Include="rpcs3.rc" />
@@ -693,5 +696,8 @@
     <ClInclude Include="Emu\Cell\SPURSManager.h">
       <Filter>Include</Filter>
     </ClInclude>
+    <ClInclude Include="..\Utilities\StrFmt.h">
+      <Filter>Utilities</Filter>
+    </ClInclude>
   </ItemGroup>
 </Project>
\ No newline at end of file
diff --git a/rpcs3/stdafx.h b/rpcs3/stdafx.h
index 3e08c96092..a039b04acf 100644
--- a/rpcs3/stdafx.h
+++ b/rpcs3/stdafx.h
@@ -262,6 +262,7 @@ enum Status
 #include "Utilities/Array.h"
 #include "Utilities/Timer.h"
 #include "Utilities/IdManager.h"
+#include "Utilities/StrFmt.h"
 
 #include "AppConnector.h"
 
diff --git a/wxWidgets b/wxWidgets
index eb5f454529..6637946d55 160000
--- a/wxWidgets
+++ b/wxWidgets
@@ -1 +1 @@
-Subproject commit eb5f4545297a32d04a35a360919e908dbea3dfca
+Subproject commit 6637946d55f41e8615c09fd202c6399017916e2b