Retro/pcem
Watch
1
0
Fork
You've already forked pcem
 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Restricted available range of attribute and sequencer registers on ViRGE, XFree86 now detects card correctly.

Browse source
This commit is contained in:
TomW 2014-09-18 21:14:15 +01:00
commit ae7c3185c9
1 changed files with 10 additions and 2 deletions
Download patch file Download diff file Expand all files Collapse all files

12
src/vid_s3_virge.c
View file

@ -383,15 +383,23 @@ static uint8_t s3_virge_in(uint16_t addr, void *p)
// if (addr != 0x3da) pclog("S3 in %04X %04X:%08X ", addr, CS, pc);
switch (addr)
{
case 0x3c1:
if (svga->attraddr > 0x14)
ret = 0xff;
else
ret = svga_in(addr, svga);
break;
//case 0x3C6: case 0x3C7: case 0x3C8: case 0x3C9:
// pclog("Read RAMDAC %04X %04X:%04X\n", addr, CS, pc);
//return sdac_ramdac_in(addr);
case 0x3c5:
if (svga->seqaddr >= 0x10)
if (svga->seqaddr >= 8)
ret = svga->seqregs[svga->seqaddr & 0x1f];
else
else if (svga->seqaddr <= 4)
ret = svga_in(addr, svga);
else
ret = 0xff;
break;
case 0x3D4: