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Use standard VGA RAMDAC on Trio32/64 instead of SDAC - the internal Trio RAMDAC does not implement any extended registers.

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This commit is contained in:
SarahW 2017-10-25 21:09:03 +01:00
commit 4974c9cfb1
1 changed files with 6 additions and 1 deletions
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7
src/vid_s3.c
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@ -798,7 +798,10 @@ void s3_out(uint16_t addr, uint8_t val, void *p)
case 0x3C6: case 0x3C7: case 0x3C8: case 0x3C9:
// pclog("Write RAMDAC %04X %02X %04X:%04X\n", addr, val, CS, pc);
sdac_ramdac_out(addr, val, &s3->ramdac, svga);
if (s3->chip == S3_TRIO32 || s3->chip == S3_TRIO64)
svga_out(addr, val, svga);
else
sdac_ramdac_out(addr, val, &s3->ramdac, svga);
return;
case 0x3D4:
@ -933,6 +936,8 @@ uint8_t s3_in(uint16_t addr, void *p)
case 0x3c6: case 0x3c7: case 0x3c8: case 0x3c9:
// pclog("Read RAMDAC %04X %04X:%04X\n", addr, CS, pc);
if (s3->chip == S3_TRIO32 || s3->chip == S3_TRIO64)
return svga_in(addr, svga);
return sdac_ramdac_in(addr, &s3->ramdac, svga);
case 0x3d4: