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[NTVDM]

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Implement INT 10h, AH 10h, AL 10h, 12h, 15h and 17h (set/get individual or block of DAC registers).

svn path=/branches/ntvdm/; revision=60846
This commit is contained in:
Hermès Bélusca-Maïto 2013-11-03 13:25:01 +00:00
parent 67d77ecebe
commit c0a85cdfce
1 changed files with 71 additions and 0 deletions
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71
subsystems/ntvdm/bios.c
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@ -1031,6 +1031,77 @@ VOID BiosVideoService(LPWORD Stack)
break;
}
/* Set Individual DAC Register */
case 0x10:
{
/* Write the index */
// Certainly in BL and not in BX as said by Ralf Brown...
VgaWritePort(VGA_DAC_WRITE_INDEX, getBL());
/* Write the data in this order: Red, Green, Blue */
VgaWritePort(VGA_DAC_DATA, getDH());
VgaWritePort(VGA_DAC_DATA, getCH());
VgaWritePort(VGA_DAC_DATA, getCL());
break;
}
/* Set Block of DAC Registers */
case 0x12:
{
INT i;
LPBYTE Buffer = SEG_OFF_TO_PTR(getES(), getDX());
/* Write the index */
// Certainly in BL and not in BX as said by Ralf Brown...
VgaWritePort(VGA_DAC_WRITE_INDEX, getBL());
for (i = 0; i < getCX(); i++)
{
/* Write the data in this order: Red, Green, Blue */
VgaWritePort(VGA_DAC_DATA, *Buffer++);
VgaWritePort(VGA_DAC_DATA, *Buffer++);
VgaWritePort(VGA_DAC_DATA, *Buffer++);
}
break;
}
/* Get Individual DAC Register */
case 0x15:
{
/* Write the index */
VgaWritePort(VGA_DAC_READ_INDEX, getBL());
/* Read the data in this order: Red, Green, Blue */
setDH(VgaReadPort(VGA_DAC_DATA));
setCH(VgaReadPort(VGA_DAC_DATA));
setCL(VgaReadPort(VGA_DAC_DATA));
break;
}
/* Get Block of DAC Registers */
case 0x17:
{
INT i;
LPBYTE Buffer = SEG_OFF_TO_PTR(getES(), getDX());
/* Write the index */
// Certainly in BL and not in BX as said by Ralf Brown...
VgaWritePort(VGA_DAC_READ_INDEX, getBL());
for (i = 0; i < getCX(); i++)
{
/* Write the data in this order: Red, Green, Blue */
*Buffer++ = VgaReadPort(VGA_DAC_DATA);
*Buffer++ = VgaReadPort(VGA_DAC_DATA);
*Buffer++ = VgaReadPort(VGA_DAC_DATA);
}
break;
}
default:
{
DPRINT1("BIOS Palette Control Sub-command AL = 0x%02X NOT IMPLEMENTED\n",