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Attempt to fix Riva TNT RAMDAC type setting.

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This commit is contained in:
OBattler
2016-10-08 03:15:04 +02:00
parent e20a7b45ab
commit 904d75079f
1 changed files with 13 additions and 0 deletions
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13
src/vid_nv_rivatnt.c
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@@ -1012,6 +1012,15 @@ static void rivatnt_out(uint16_t addr, uint8_t val, void *p)
switch(svga->crtcreg) switch(svga->crtcreg)
{ {
case 0x1a: case 0x1a:
#if 0
if((svga->crtc[0x28] & 3) != 0)
{
if(svga->crtc[0x1a] & 2) svga_set_ramdac_type(svga, RAMDAC_6BIT);
else svga_set_ramdac_type(svga, RAMDAC_8BIT);
}
else svga_set_ramdac_type(svga, RAMDAC_6BIT);
#endif
svga_set_ramdac_type(svga, (val & 2) ? RAMDAC_6BIT : RAMDAC_8BIT);
svga_recalctimings(svga); svga_recalctimings(svga);
break; break;
case 0x1e: case 0x1e:
@@ -1279,12 +1288,16 @@ static void rivatnt_recalctimings(svga_t *svga)
break; break;
} }
#if 0
if((svga->crtc[0x28] & 3) != 0) if((svga->crtc[0x28] & 3) != 0)
{ {
if(svga->crtc[0x1a] & 2) svga_set_ramdac_type(svga, RAMDAC_6BIT); if(svga->crtc[0x1a] & 2) svga_set_ramdac_type(svga, RAMDAC_6BIT);
else svga_set_ramdac_type(svga, RAMDAC_8BIT); else svga_set_ramdac_type(svga, RAMDAC_8BIT);
} }
else svga_set_ramdac_type(svga, RAMDAC_6BIT); else svga_set_ramdac_type(svga, RAMDAC_6BIT);
#endif
svga_set_ramdac_type(svga, (svga->crtc[0x1a] & 2) ? RAMDAC_6BIT : RAMDAC_8BIT);
if (((svga->miscout >> 2) & 2) == 2) if (((svga->miscout >> 2) & 2) == 2)
{ {