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Fixed the PCI device class registers for the S3 Vision 864 and 964 cards.

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This commit is contained in:
OBattler
2018-10-01 01:45:31 +02:00
parent 7ec356fcf3
commit 13c1c7b235
1 changed files with 13 additions and 4 deletions
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17
src/video/vid_s3.c
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@@ -8,7 +8,7 @@
*
* S3 emulation.
*
* Version: @(#)vid_s3.c 1.0.18 2018/09/30
* Version: @(#)vid_s3.c 1.0.19 2018/10/01
*
* Authors: Sarah Walker, <http://pcem-emulator.co.uk/>
* Miran Grca, <mgrca8@gmail.com>
@@ -2792,8 +2792,16 @@ uint8_t s3_pci_read(int func, int addr, void *p)
case 0x08: return 0; /*Revision ID*/
case 0x09: return 0; /*Programming interface*/
case 0x0a: return 0x00; /*Supports VGA interface*/
case 0x0b: return 0x03;
case 0x0a:
if ((s3->chip == S3_TRIO32) || (s3->chip == S3_TRIO64))
return 0x00; /*Supports VGA interface*/
else
return 0x01;
case 0x0b:
if ((s3->chip == S3_TRIO32) || (s3->chip == S3_TRIO64))
return 0x03;
else
return 0x00;
case 0x10: return 0x00; /*Linear frame buffer address*/
case 0x11: return 0x00;
@@ -2827,7 +2835,8 @@ void s3_pci_write(int func, int addr, uint8_t val, void *p)
break;
case 0x12:
svga->crtc[0x5a] = val & 0x80;
svga->crtc[0x5a] = val & 0x80;
/* svga->crtc[0x5a] = (svga->crtc[0x5a] & 0x7f) | (val & 0x80); */
s3_updatemapping(s3);
break;
case 0x13: