diff --git a/rpcs3/Emu/ARMv7/ARMv7Context.h b/rpcs3/Emu/ARMv7/ARMv7Context.h
index bdfa8107e2..be06cc4a45 100644
--- a/rpcs3/Emu/ARMv7/ARMv7Context.h
+++ b/rpcs3/Emu/ARMv7/ARMv7Context.h
@@ -50,7 +50,7 @@ struct ARMv7Context
 			u32 C : 1; //Carry condition code flag
 			u32 V : 1; //Overflow condition code flag
 			u32 Q : 1; //Set to 1 if an SSAT or USAT instruction changes (saturates) the input value for the signed or unsigned range of the result
-		u32: 27;
+			u32 dummy : 27;
 		};
 
 		u32 APSR;
@@ -61,7 +61,7 @@ struct ARMv7Context
 	{
 		struct
 		{
-		u32: 24;
+			u32 dummy : 24;
 			u32 exception : 8;
 		};
 
diff --git a/rpcs3/Emu/ARMv7/ARMv7Interpreter.cpp b/rpcs3/Emu/ARMv7/ARMv7Interpreter.cpp
index 3610925ecd..1ff87dd909 100644
--- a/rpcs3/Emu/ARMv7/ARMv7Interpreter.cpp
+++ b/rpcs3/Emu/ARMv7/ARMv7Interpreter.cpp
@@ -257,14 +257,12 @@ bool ARMv7_instrs::ConditionPassed(ARMv7Context& context, u32 cond)
 // instructions
 void ARMv7_instrs::UNK(ARMv7Context& context, const ARMv7Code code)
 {
-	LOG_ERROR(HLE, "Unknown/illegal opcode: 0x%04x 0x%04x", code.code1, code.code0);
-	Emu.Pause();
+	throw fmt::format("Unknown/illegal opcode: 0x%04x 0x%04x", code.code1, code.code0);
 }
 
 void ARMv7_instrs::NULL_OP(ARMv7Context& context, const ARMv7Code code, const ARMv7_encoding type)
 {
-	LOG_ERROR(HLE, "Null opcode found: 0x%04x 0x%04x", code.code1, code.code0);
-	Emu.Pause();
+	throw fmt::format("Null opcode found: 0x%04x 0x%04x", code.code1, code.code0);
 }
 
 void ARMv7_instrs::HACK(ARMv7Context& context, const ARMv7Code code, const ARMv7_encoding type)
@@ -294,6 +292,54 @@ void ARMv7_instrs::HACK(ARMv7Context& context, const ARMv7Code code, const ARMv7
 	}
 }
 
+void ARMv7_instrs::MRC_(ARMv7Context& context, const ARMv7Code code, const ARMv7_encoding type)
+{
+	u32 cond = context.ITSTATE.advance();
+	u32 t = 0;
+	u32 cp = 0;
+	u32 opc1 = 0;
+	u32 opc2 = 0;
+	u32 cn = 0;
+	u32 cm = 0;
+
+	switch (type)
+	{
+	case T1:
+	case A1:
+	{
+		t = (code.data & 0xf000) >> 12;
+		cp = (code.data & 0xf00) >> 8;
+		opc1 = (code.data & 0xe00000) >> 21;
+		opc2 = (code.data & 0xe0) >> 5;
+		cn = (code.data & 0xf0000) >> 16;
+		cm = (code.data & 0xf);
+
+		if (cp - 10 < 2)
+		{
+			throw "MRC_(T1/A1): Advanced SIMD and VFP";
+		}
+		break;
+	}
+	default: throw __FUNCTION__;
+	}
+
+	if (ConditionPassed(context, cond))
+	{
+		if (cp == 15 && opc1 == 0 && cn == 13 && cm == 0 && opc2 == 3)
+		{
+			LOG_ERROR(ARMv7, "TODO: TLS requested");
+
+			if (t < 15)
+			{
+				context.GPR[t] = 0;
+				return;
+			}
+		}
+
+		throw fmt::format("Bad instruction: mrc p%d,%d,r%d,c%d,c%d,%d", cp, opc1, t, cn, cm, opc2);
+	}
+}
+
 void ARMv7_instrs::ADC_IMM(ARMv7Context& context, const ARMv7Code code, const ARMv7_encoding type)
 {
 	switch (type)
@@ -4755,34 +4801,3 @@ void ARMv7_instrs::YIELD(ARMv7Context& context, const ARMv7Code code, const ARMv
 	default: throw __FUNCTION__;
 	}
 }
-
-
-void ARMv7_instrs::MRC_(ARMv7Context& context, const ARMv7Code code, const ARMv7_encoding type)
-{
-	u32 cond = context.ITSTATE.advance();
-	u32 t = 0;
-	u32 cp = 0;
-
-	switch (type)
-	{
-	case T1:
-	case A1:
-	{
-		t = (code.data & 0xf000) >> 12;
-		cp = (code.data & 0xf00) >> 8;
-
-		if (cp - 10 < 2)
-		{
-			throw "MRC_(T1/A1): Advanced SIMD and VFP";
-		}
-		break;
-	}
-	default: throw __FUNCTION__;
-	}
-
-	if (ConditionPassed(context, cond))
-	{
-		LOG_ERROR(ARMv7, "Bad instruction (MRC): 0x%04x 0x%04x", code.code1, code.code0);
-		throw __FUNCTION__;
-	}
-}
diff --git a/rpcs3/Emu/ARMv7/ARMv7Interpreter.h b/rpcs3/Emu/ARMv7/ARMv7Interpreter.h
index 14b044ac63..c99958a35c 100644
--- a/rpcs3/Emu/ARMv7/ARMv7Interpreter.h
+++ b/rpcs3/Emu/ARMv7/ARMv7Interpreter.h
@@ -99,6 +99,8 @@ namespace ARMv7_instrs
 
 	void HACK(ARMv7Context& context, const ARMv7Code code, const ARMv7_encoding type);
 
+	void MRC_(ARMv7Context& context, const ARMv7Code code, const ARMv7_encoding type);
+
 	void ADC_IMM(ARMv7Context& context, const ARMv7Code code, const ARMv7_encoding type);
 	void ADC_REG(ARMv7Context& context, const ARMv7Code code, const ARMv7_encoding type);
 	void ADC_RSR(ARMv7Context& context, const ARMv7Code code, const ARMv7_encoding type);
@@ -515,6 +517,4 @@ namespace ARMv7_instrs
 	void WFE(ARMv7Context& context, const ARMv7Code code, const ARMv7_encoding type);
 	void WFI(ARMv7Context& context, const ARMv7Code code, const ARMv7_encoding type);
 	void YIELD(ARMv7Context& context, const ARMv7Code code, const ARMv7_encoding type);
-
-	void MRC_(ARMv7Context& context, const ARMv7Code code, const ARMv7_encoding type);
 };
diff --git a/rpcs3/Emu/ARMv7/Modules/sceLibc.cpp b/rpcs3/Emu/ARMv7/Modules/sceLibc.cpp
index 8bca615fcf..a81d82ac51 100644
--- a/rpcs3/Emu/ARMv7/Modules/sceLibc.cpp
+++ b/rpcs3/Emu/ARMv7/Modules/sceLibc.cpp
@@ -54,16 +54,9 @@ namespace sce_libc_func
 		});
 	}
 
-	void printf(ARMv7Context& context, vm::psv::ptr<const char> fmt) // va_args...
+	std::string armv7_fmt(ARMv7Context& context, vm::psv::ptr<const char> fmt, u32 g_count, u32 f_count, u32 v_count)
 	{
-		sceLibc.Error("printf(fmt=0x%x)", fmt);
-
-		sceLibc.Notice("*** *fmt = '%s'", fmt.get_ptr());
-
 		std::string result;
-		u32 g_count = 1;
-		u32 f_count = 0;
-		u32 v_count = 0;
 
 		for (char c = *fmt++; c; c = *fmt++)
 		{
@@ -105,7 +98,7 @@ namespace sce_libc_func
 				}
 				default:
 				{
-					throw fmt::Format("printf(): unknown formatting: '%s'", start.get_ptr());
+					throw fmt::Format("armv7_fmt(): unknown formatting: '%s'", start.get_ptr());
 				}
 				}
 			}
@@ -114,7 +107,29 @@ namespace sce_libc_func
 			result += c;
 		}
 
-		LOG_NOTICE(TTY, result);
+		return result;
+	}
+
+	void printf(ARMv7Context& context, vm::psv::ptr<const char> fmt) // va_args...
+	{
+		sceLibc.Error("printf(fmt=0x%x)", fmt);
+
+		sceLibc.Notice("*** *fmt = '%s'", fmt.get_ptr());
+
+		LOG_NOTICE(TTY, armv7_fmt(context, fmt, 1, 0, 0));
+	}
+
+	void sprintf(ARMv7Context& context, vm::psv::ptr<char> str, vm::psv::ptr<const char> fmt) // va_args...
+	{
+		sceLibc.Error("sprintf(str=0x%x, fmt=0x%x)", str, fmt);
+
+		sceLibc.Notice("*** *fmt = '%s'", fmt.get_ptr());
+
+		const std::string& result = armv7_fmt(context, fmt, 2, 0, 0);
+
+		sceLibc.Notice("*** res -> '%s'", result);
+
+		::memcpy(str.get_ptr(), result.c_str(), result.size() + 1);
 	}
 
 	void __cxa_set_dso_handle_main(vm::psv::ptr<void> dso)
@@ -247,7 +262,7 @@ psv_log_base sceLibc("SceLibc", []()
 	//REG_FUNC(0x395490DA, setbuf);
 	//REG_FUNC(0x2CA980A0, setvbuf);
 	//REG_FUNC(0xA1BFF606, snprintf);
-	//REG_FUNC(0x7449B359, sprintf);
+	REG_FUNC(0x7449B359, sprintf);
 	//REG_FUNC(0xEC585241, sscanf);
 	//REG_FUNC(0x2BCB3F01, ungetc);
 	//REG_FUNC(0xF7915685, vfprintf);