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Code Issues Projects Releases Packages Wiki Activity Actions 10

Add save/unsave cursor escape sequences.

Browse source 
Also added a little terminal test program called /bin/tst.
This commit is contained in:
Andreas Kling 2018-10-28 01:44:53 +02:00
parent ea6221dd06
commit 43475f248b
Notes: sideshowbarker 2024-07-19 18:37:14 +09:00
6 changed files with 41 additions and 5 deletions
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16
Kernel/Console.cpp
View file

@ -171,10 +171,22 @@ void Console::escape$m(const Vector<unsigned>& params)
break;
}
}
vga_set_attr(m_currentAttribute);
}
void Console::escape$s(const Vector<unsigned>&)
{
m_savedCursorRow = m_cursorRow;
m_savedCursorColumn = m_cursorColumn;
}
void Console::escape$u(const Vector<unsigned>&)
{
m_cursorRow = m_savedCursorRow;
m_cursorColumn = m_savedCursorColumn;
vga_set_cursor(m_cursorRow, m_cursorColumn);
}
void Console::escape$H(const Vector<unsigned>& params)
{
unsigned row = 1;
@ -229,6 +241,8 @@ void Console::executeEscapeSequence(byte final)
case 'H': escape$H(params); break;
case 'J': escape$J(params); break;
case 'm': escape$m(params); break;
case 's': escape$s(params); break;
case 'u': escape$u(params); break;
default: break;
}

8
Kernel/Console.h
View file

@ -21,12 +21,18 @@ private:
void escape$H(const Vector<unsigned>&);
void escape$J(const Vector<unsigned>&);
void escape$m(const Vector<unsigned>&);
void escape$s(const Vector<unsigned>&);
void escape$u(const Vector<unsigned>&);
const byte m_rows { 25 };
const byte m_columns { 80 };
byte m_cursorRow { 0 };
byte m_cursorColumn { 0 };
byte m_savedCursorRow { 0 };
byte m_savedCursorColumn { 0 };
byte m_currentAttribute { 0x07 };
void executeEscapeSequence(byte final);
@ -41,7 +47,5 @@ private:
EscapeState m_escState { Normal };
Vector<byte> m_parameters;
Vector<byte> m_intermediates;
const byte* s_vgaMemory { (const byte*)0xb8000 };
};

1
Kernel/sync-sh
View file

@ -14,6 +14,7 @@ cp ../Userland/hostname mnt/bin/hostname
cp ../Userland/cat mnt/bin/cat
cp ../Userland/uname mnt/bin/uname
cp ../Userland/clear mnt/bin/clear
cp ../Userland/tst mnt/bin/tst
cp kernel.map mnt/
umount mnt
sync

1
Userland/.gitignore vendored
View file

@ -12,3 +12,4 @@ hostname
cat
uname
clear
tst

9
Userland/Makefile
View file

@ -11,7 +11,8 @@ OBJS = \
hostname.o \
cat.o \
uname.o \
clear.o
clear.o \
tst.o
APPS = \
id \
@ -26,7 +27,8 @@ APPS = \
hostname \
cat \
uname \
clear
clear \
tst
ARCH_FLAGS =
STANDARD_FLAGS = -std=c++17 -nostdinc++ -nostdlib
@ -85,6 +87,9 @@ uname: uname.o
clear: clear.o
$(LD) -o $@ $(LDFLAGS) $< ../LibC/LibC.a
tst: tst.o
$(LD) -o $@ $(LDFLAGS) $< ../LibC/LibC.a
.cpp.o:
@echo "CXX $<"; $(CXX) $(CXXFLAGS) -o $@ -c $<

11
Userland/tst.cpp Normal file
View file

@ -0,0 +1,11 @@
#include <LibC/stdio.cpp>
int main(int argc, char** argv)
{
printf("Counting to 100000: \033[s");
for (unsigned i = 0; i <= 100000; ++i) {
printf("\033[u\033[s%u", i);
}
printf("\n");
return 0;
}