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[NTVDM]

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Implement INT 10h, AH=0Bh function 01 (Set Palette) (for CGA modes), and half-plement INT 10h, AH=0Bh function 00 (Set Background/border color), adapted from DosBox.
The code needs a bit of cleaning.
Needed for a certain Pacman game :)

CORE-8436 #resolve #comment Fixed ;)

svn path=/trunk/; revision=64235
This commit is contained in:
Hermès Bélusca-Maïto 2014-09-22 23:34:41 +00:00
parent a57c34c75c
commit 8b5bf28313
1 changed files with 161 additions and 32 deletions
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193
reactos/subsystems/ntvdm/bios/vidbios.c
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@ -264,7 +264,7 @@ static PVGA_REGISTERS VideoModes[BIOS_MAX_VIDEO_MODE + 1] =
&VideoMode_80x25_text, /* Mode 02h */ // 16 color (mono)
&VideoMode_80x25_text, /* Mode 03h */ // 16 color
&VideoMode_320x200_4color, /* Mode 04h */ // CGA 4 color
&VideoMode_320x200_4color, /* Mode 05h */ // CGA same (m)
&VideoMode_320x200_4color, /* Mode 05h */ // CGA same (m) (uses 3rd CGA palette)
&VideoMode_640x200_2color, /* Mode 06h */ // CGA 640*200 2 color
NULL, /* Mode 07h */ // MDA monochrome text 80*25
NULL, /* Mode 08h */ // PCjr
@ -369,6 +369,8 @@ static CONST COLORREF mtext_s3_palette[64] =
RGB(0xFF, 0xFF, 0xFF), RGB(0xFF, 0xFF, 0xFF), RGB(0xFF, 0xFF, 0xFF), RGB(0xFF, 0xFF, 0xFF)
};
#if 0
// Unused at the moment
static CONST COLORREF CgaPalette[16] =
{
@ -378,28 +380,69 @@ static CONST COLORREF CgaPalette[16] =
RGB(0xFF, 0x55, 0x55), RGB(0xFF, 0x55, 0xFF), RGB(0xFF, 0xFF, 0x55), RGB(0xFF, 0xFF, 0xFF)
};
// Unused at the moment
/* CGA palette 1 */
static CONST BYTE CgaPalette1[] =
{
0x00, /* 0 - Black */
0x03, /* 1 - Cyan */
0x05, /* 2- Magenta */
0x07, /* 3 - White */
}
/* CGA palette 1 bright */
static CONST BYTE CgaPalette1i[] =
{
0x00, /* 0 - Black */
0x13, /* 1 - Light cyan */
0x15, /* 2 - Light magenta */
0x17, /* 3 - Bright White */
};
/* CGA palette 2 */
static CONST BYTE CgaPalette2[] =
{
0x00, /* 0 - Black */
0x02, /* 1 - Green */
0x04, /* 2 - Red */
0x06, /* 3 - Brown */
};
/* CGA palette 2 bright */
static CONST BYTE CgaPalette2i[] =
{
0x00, /* 0 - Black */
0x12, /* 1 - Light green */
0x14, /* 2 - Light red */
0x16, /* 3 - Yellow */
};
// Unused at the moment; same palette as EgaPalette__16Colors
static CONST COLORREF CgaPalette2[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, 0x55, 0x00), RGB(0xAA, 0xAA, 0xAA),
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, 0x55, 0x00), RGB(0xAA, 0xAA, 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),
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),
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, 0x55, 0x00), RGB(0xAA, 0xAA, 0xAA),
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, 0x55, 0x00), RGB(0xAA, 0xAA, 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),
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)
};
static CONST COLORREF EgaPalette___16ColorFixed_DOSBox[VGA_MAX_COLORS / 4] =
#endif
static CONST COLORREF EgaPalette__16Colors[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, 0x55, 0x00), RGB(0xAA, 0xAA, 0xAA),
@ -740,6 +783,16 @@ Done:
return TRUE;
}
static __inline VOID VgaSetSinglePaletteRegister(BYTE Index, BYTE Value)
{
/* Write the index */
IOReadB(VGA_INSTAT1_READ); // Put the AC register into index state
IOWriteB(VGA_AC_INDEX, Index);
/* Write the data */
IOWriteB(VGA_AC_WRITE, Value);
}
static BOOLEAN VgaSetRegisters(PVGA_REGISTERS Registers)
{
INT i;
@ -803,9 +856,7 @@ static BOOLEAN VgaSetRegisters(PVGA_REGISTERS Registers)
// DbgPrint("\n");
for (i = 0; i < VGA_AC_MAX_REG; i++)
{
IOReadB(VGA_INSTAT1_READ); // Put the AC register into index state
IOWriteB(VGA_AC_INDEX, i);
IOWriteB(VGA_AC_WRITE, Registers->Attribute[i]);
VgaSetSinglePaletteRegister(i, Registers->Attribute[i]);
// DbgPrint("Registers->Attribute[%d] = %d\n", i, Registers->Attribute[i]);
}
// DbgPrint("\n");
@ -864,17 +915,28 @@ static VOID VgaChangePalette(BYTE ModeNumber)
Palette = VgaPalette;
Size = sizeof(VgaPalette)/sizeof(VgaPalette[0]);
}
else if (ModeNumber == 0x10)
else if (ModeNumber == 0x10) // || (ModeNumber == 0x0D) || (ModeNumber == 0x0E)
{
/* EGA HiRes mode */
Palette = EgaPalette__HiRes;
Size = sizeof(EgaPalette__HiRes)/sizeof(EgaPalette__HiRes[0]);
}
#if 0
else if ((ModeNumber == 0x04) || (ModeNumber == 0x05))
{
/*
* CGA modes; this palette contains both normal and
* bright versions of CGA palettes 0 and 1
*/
Palette = CgaPalette2;
Size = sizeof(CgaPalette2)/sizeof(CgaPalette2[0]);
}
#endif
else // if ((ModeNumber == 0x0D) || (ModeNumber == 0x0E))
{
/* EGA modes */
Palette = EgaPalette___16ColorFixed_DOSBox;
Size = sizeof(EgaPalette___16ColorFixed_DOSBox)/sizeof(EgaPalette___16ColorFixed_DOSBox[0]);
Palette = EgaPalette__16Colors;
Size = sizeof(EgaPalette__16Colors)/sizeof(EgaPalette__16Colors[0]);
}
VgaSetPalette(Palette, Size);
@ -1271,6 +1333,87 @@ VOID WINAPI VidBiosVideoService(LPWORD Stack)
break;
}
/* Set Video Colors */
case 0x0B:
{
if (Bda->VideoMode < 4 || Bda->VideoMode > 6)
{
DPRINT1("BIOS Function INT 10h, AH = 0Bh, BH = 0x%02X is unsupported for non-CGA modes\n",
getAH(), getBH());
break;
}
switch (getBH())
{
case 0x00: /* Set Background/Border Color */
{
#ifdef DOSBOX
BYTE Index = getBL();
BYTE CrtColorPaletteMask = Bda->CrtColorPaletteMask;
CrtColorPaletteMask = (CrtColorPaletteMask & 0xE0) | (Index & 0x1F);
Bda->CrtColorPaletteMask = CrtColorPaletteMask;
Index = ((Index << 1) & 0x10) | (Index & 0x7);
/* Always set the overscan color */
VgaSetSinglePaletteRegister(VGA_AC_OVERSCAN_REG, Index);
/* Don't set any extra colors when in text mode */
if (Bda->VideoMode <= 3) break;
VgaSetSinglePaletteRegister(0x00, Index);
Index = (CrtColorPaletteMask & 0x10) | 0x02 | ((CrtColorPaletteMask & 0x20) >> 5);
VgaSetSinglePaletteRegister(0x01, Index);
Index += 2;
VgaSetSinglePaletteRegister(0x02, Index);
Index += 2;
VgaSetSinglePaletteRegister(0x03, Index);
#else
/* Background/Border Color is modifiable via the first index */
VgaSetSinglePaletteRegister(0x00, getBL());
#endif
/* Enable screen and disable palette access */
IOReadB(VGA_INSTAT1_READ); // Put the AC register into index state
IOWriteB(VGA_AC_INDEX, 0x20);
break;
}
case 0x01: /* Set Palette */
{
BYTE Index = getBL();
BYTE CrtColorPaletteMask = Bda->CrtColorPaletteMask;
CrtColorPaletteMask = (CrtColorPaletteMask & 0xDF) | ((Index & 1) ? 0x20 : 0x0);
Bda->CrtColorPaletteMask = CrtColorPaletteMask;
/* Don't set any extra colors when in text mode */
if (Bda->VideoMode <= 3) break;
Index = (CrtColorPaletteMask & 0x10) | 0x02 | Index;
VgaSetSinglePaletteRegister(0x01, Index);
Index += 2;
VgaSetSinglePaletteRegister(0x02, Index);
Index += 2;
VgaSetSinglePaletteRegister(0x03, Index);
/* Enable screen and disable palette access */
IOReadB(VGA_INSTAT1_READ); // Put the AC register into index state
IOWriteB(VGA_AC_INDEX, 0x20);
break;
}
default:
DPRINT1("BIOS Function INT 10h, AH = 0Bh, BH = 0x%02X NOT IMPLEMENTED\n",
getAH(), getBH());
break;
}
break;
}
/* Teletype Output */
case 0x0E:
{
@ -1294,12 +1437,7 @@ VOID WINAPI VidBiosVideoService(LPWORD Stack)
/* Set Single Palette Register */
case 0x00:
{
/* Write the index */
IOReadB(VGA_INSTAT1_READ); // Put the AC register into index state
IOWriteB(VGA_AC_INDEX, getBL());
/* Write the data */
IOWriteB(VGA_AC_WRITE, getBH());
VgaSetSinglePaletteRegister(getBL(), getBH());
/* Enable screen and disable palette access */
IOReadB(VGA_INSTAT1_READ); // Put the AC register into index state
@ -1310,12 +1448,7 @@ VOID WINAPI VidBiosVideoService(LPWORD Stack)
/* Set Overscan Color */
case 0x01:
{
/* Write the index */
IOReadB(VGA_INSTAT1_READ); // Put the AC register into index state
IOWriteB(VGA_AC_INDEX, VGA_AC_OVERSCAN_REG);
/* Write the data */
IOWriteB(VGA_AC_WRITE, getBH());
VgaSetSinglePaletteRegister(VGA_AC_OVERSCAN_REG, getBH());
/* Enable screen and disable palette access */
IOReadB(VGA_INSTAT1_READ); // Put the AC register into index state
@ -1332,15 +1465,11 @@ VOID WINAPI VidBiosVideoService(LPWORD Stack)
/* Set the palette registers */
for (i = 0; i <= VGA_AC_PAL_F_REG; i++)
{
/* Write the index */
IOReadB(VGA_INSTAT1_READ); // Put the AC register into index state
IOWriteB(VGA_AC_INDEX, i);
/* Write the data */
IOWriteB(VGA_AC_WRITE, Buffer[i]);
VgaSetSinglePaletteRegister(i, Buffer[i]);
}
/* Set the overscan register */
// VgaSetSinglePaletteRegister(VGA_AC_OVERSCAN_REG, Buffer[VGA_AC_PAL_F_REG + 1]);
IOWriteB(VGA_AC_INDEX, VGA_AC_OVERSCAN_REG);
IOWriteB(VGA_AC_WRITE, Buffer[VGA_AC_PAL_F_REG + 1]);
@ -1509,7 +1638,7 @@ VOID WINAPI VidBiosVideoService(LPWORD Stack)
/* Display combination code */
case 0x1A:
{
switch(getAL())
switch (getAL())
{
case 0x00: /* Get Display combiantion code */
setAX(MAKEWORD(0x1A, 0x1A));
@ -1526,8 +1655,8 @@ VOID WINAPI VidBiosVideoService(LPWORD Stack)
default:
{
DPRINT1("BIOS Function INT 10h, AH = 0x%02X NOT IMPLEMENTED\n",
getAH());
DPRINT1("BIOS Function INT 10h, AH = 0x%02X, AL = 0x%02X, BH = 0x%02X NOT IMPLEMENTED\n",
getAH(), getAL(), getBH());
}
}
}
@ -1573,8 +1702,8 @@ BOOLEAN VidBiosInitialize(VOID)
((PULONG)BaseAddress)[0x44] = (ULONG)NULL;
/* Initialize the VGA BDA data */
Bda->VGAOptions = 0x30; /* 256 KB Video RAM */
Bda->VGASwitches = 0x09; /* High-resolution */
Bda->VGAOptions = 0x30; /* 256 KB Video RAM */
Bda->VGASwitches = 0x09; /* High-resolution */
//
// FIXME: At the moment we always set a VGA mode. In the future,