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[NTVDM]

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Use the EGA palette for EGA modes.


svn path=/branches/ntvdm/; revision=61242
This commit is contained in:
Aleksandar Andrejevic 2013-12-07 03:47:58 +00:00
parent 5a126500d4
commit 1c9756782c
1 changed files with 40 additions and 6 deletions
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46
subsystems/ntvdm/bios.c
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@ -134,8 +134,8 @@ static BYTE VideoMode_320x200_16color[] =
0xFF,
/* AC Registers */
0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x10, 0x11, 0x12, 0x13,
0x14, 0x15, 0x16, 0x17, 0x01, 0x00, 0x0F, 0x00, 0x00
0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x14, 0x07, 0x38, 0x39, 0x3A, 0x3B,
0x3C, 0x3D, 0x3E, 0x3F, 0x01, 0x00, 0x0F, 0x00, 0x00
};
static BYTE VideoMode_640x200_16color[] =
@ -155,8 +155,8 @@ static BYTE VideoMode_640x200_16color[] =
0xFF,
/* AC Registers */
0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x10, 0x11, 0x12, 0x13,
0x14, 0x15, 0x16, 0x17, 0x01, 0x00, 0x0F, 0x00, 0x00
0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x14, 0x07, 0x38, 0x39, 0x3A, 0x3B,
0x3C, 0x3D, 0x3E, 0x3F, 0x01, 0x00, 0x0F, 0x00, 0x00
};
static BYTE VideoMode_640x350_16color[] =
@ -267,6 +267,26 @@ static LPBYTE VideoModes[] =
VideoMode_320x200_256color, /* Mode 13h */
};
static CONST COLORREF EgaPalette[VGA_MAX_COLORS / 4] =
{
RGB(0x00, 0x00, 0x00), RGB(0x00, 0x00, 0xAA), RGB(0x00, 0xAA, 0x00), RGB(0x00, 0xAA, 0xAA),
RGB(0xAA, 0x00, 0x00), RGB(0xAA, 0x00, 0xAA), RGB(0xAA, 0xAA, 0x00), RGB(0xAA, 0xAA, 0xAA),
RGB(0x00, 0x00, 0x55), RGB(0x00, 0x00, 0xFF), RGB(0x00, 0xAA, 0x55), RGB(0x00, 0xAA, 0xFF),
RGB(0xAA, 0x00, 0x55), RGB(0xAA, 0x00, 0xFF), RGB(0xAA, 0xAA, 0x55), RGB(0xAA, 0xAA, 0xFF),
RGB(0x00, 0x55, 0x00), RGB(0x00, 0x55, 0xAA), RGB(0x00, 0xFF, 0x00), RGB(0x00, 0xFF, 0xAA),
RGB(0xAA, 0x55, 0x00), RGB(0xAA, 0x55, 0xAA), RGB(0xAA, 0xFF, 0x00), RGB(0xAA, 0xFF, 0xAA),
RGB(0x00, 0x55, 0x55), RGB(0x00, 0x55, 0xFF), RGB(0x00, 0xFF, 0x55), RGB(0x00, 0xFF, 0xFF),
RGB(0xAA, 0x55, 0x55), RGB(0xAA, 0x55, 0xFF), RGB(0xAA, 0xFF, 0x55), RGB(0xAA, 0xFF, 0xFF),
RGB(0x55, 0x00, 0x00), RGB(0x55, 0x00, 0xAA), RGB(0x55, 0xAA, 0x00), RGB(0x55, 0xAA, 0xAA),
RGB(0xFF, 0x00, 0x00), RGB(0xFF, 0x00, 0xAA), RGB(0xFF, 0xAA, 0x00), RGB(0xFF, 0xAA, 0xAA),
RGB(0x55, 0x00, 0x55), RGB(0x55, 0x00, 0xFF), RGB(0x55, 0xAA, 0x55), RGB(0x55, 0xAA, 0xFF),
RGB(0xFF, 0x00, 0x55), RGB(0xFF, 0x00, 0xFF), RGB(0xFF, 0xAA, 0x55), RGB(0xFF, 0xAA, 0xFF),
RGB(0x55, 0x55, 0x00), RGB(0x55, 0x55, 0xAA), RGB(0x55, 0xFF, 0x00), RGB(0x55, 0xFF, 0xAA),
RGB(0xFF, 0x55, 0x00), RGB(0xFF, 0x55, 0xAA), RGB(0xFF, 0xFF, 0x00), RGB(0xFF, 0xFF, 0xAA),
RGB(0x55, 0x55, 0x55), RGB(0x55, 0x55, 0xFF), RGB(0x55, 0xFF, 0x55), RGB(0x55, 0xFF, 0xFF),
RGB(0xFF, 0x55, 0x55), RGB(0xFF, 0x55, 0xFF), RGB(0xFF, 0xFF, 0x55), RGB(0xFF, 0xFF, 0xFF)
};
/* PRIVATE FUNCTIONS **********************************************************/
static BOOLEAN BiosKbdBufferPush(WORD Data)
@ -416,8 +436,22 @@ BOOLEAN BiosSetVideoMode(BYTE ModeNumber)
VgaWritePort(VGA_AC_WRITE, *(Values++));
}
/* Reset the palette */
VgaResetPalette();
if ((ModeNumber == 0x0D) || (ModeNumber == 0x0E) || (ModeNumber == 0x10))
{
/* EGA modes */
for (i = 0; i < VGA_MAX_COLORS / 4; i++)
{
VgaWritePort(VGA_DAC_WRITE_INDEX, i);
VgaWritePort(VGA_DAC_DATA, VGA_COLOR_TO_DAC(GetRValue(EgaPalette[i])));
VgaWritePort(VGA_DAC_DATA, VGA_COLOR_TO_DAC(GetGValue(EgaPalette[i])));
VgaWritePort(VGA_DAC_DATA, VGA_COLOR_TO_DAC(GetBValue(EgaPalette[i])));
}
}
else
{
/* Reset the palette */
VgaResetPalette();
}
/* Update the values in the BDA */
Bda->VideoMode = ModeNumber;