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[NTVDM]

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Implement up/down scrolling function in interrupt 0x10.


svn path=/branches/ntvdm/; revision=59261
This commit is contained in:
Aleksandar Andrejevic 2013-06-19 22:53:16 +00:00
parent f7714ef9c1
commit cde3f9547b
1 changed files with 24 additions and 11 deletions
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35
subsystems/ntvdm/bios.c
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@ -155,13 +155,16 @@ VOID BiosVideoService()
HANDLE ConsoleOutput = GetStdHandle(STD_OUTPUT_HANDLE);
INT CursorHeight;
BOOLEAN Invisible = FALSE;
COORD CursorPosition;
COORD Position;
CONSOLE_CURSOR_INFO CursorInfo;
CHAR_INFO Character;
SMALL_RECT Rect;
DWORD Eax = EmulatorGetRegister(EMULATOR_REG_AX);
DWORD Ecx = EmulatorGetRegister(EMULATOR_REG_CX);
DWORD Edx = EmulatorGetRegister(EMULATOR_REG_DX);
DWORD Ebx = EmulatorGetRegister(EMULATOR_REG_BX);
switch (LOBYTE(Eax))
switch (HIBYTE(Eax))
{
/* Set Text-Mode Cursor Shape */
case 0x01:
@ -183,22 +186,32 @@ VOID BiosVideoService()
/* Set Cursor Position */
case 0x02:
{
CursorPosition.X = LOBYTE(Edx);
CursorPosition.Y = HIBYTE(Edx);
Position.X = LOBYTE(Edx);
Position.Y = HIBYTE(Edx);
SetConsoleCursorPosition(ConsoleOutput, CursorPosition);
SetConsoleCursorPosition(ConsoleOutput, Position);
break;
}
/* Scroll Up Window */
/* Scroll Up/Down Window */
case 0x06:
{
break;
}
/* Scroll Down Window */
case 0x07:
{
Rect.Top = HIBYTE(Ecx);
Rect.Left = LOBYTE(Ecx);
Rect.Bottom = HIBYTE(Edx);
Rect.Right = LOBYTE(Edx);
Character.Char.UnicodeChar = L' ';
Character.Attributes = HIBYTE(Ebx);
Position.X = Rect.Left;
if (HIBYTE(Eax) == 0x06) Position.Y = Rect.Top - LOBYTE(Eax);
else Position.Y = Rect.Top + LOBYTE(Eax);
ScrollConsoleScreenBuffer(ConsoleOutput,
&Rect,
&Rect,
Position,
&Character);
break;
}