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Add save/unsave cursor escape sequences.

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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
6 changed files with 41 additions and 5 deletions
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16
Kernel/Console.cpp
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@ -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