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Reset Cirrus Logic hidden DAC counter on accesses to 3c7/3c8/3c9.

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This commit is contained in:
SarahW 2019-05-16 22:07:57 +01:00
commit c39dc641a6
1 changed files with 7 additions and 1 deletions
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6
src/vid_cl5429.c
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@ -161,6 +161,9 @@ void gd5429_out(uint16_t addr, uint8_t val, void *p)
} }
gd5429->dac_3c6_count = 0; gd5429->dac_3c6_count = 0;
break; break;
case 0x3c7: case 0x3c8: case 0x3c9:
gd5429->dac_3c6_count = 0;
break;
case 0x3cf: case 0x3cf:
// pclog("Write GDC %02x %02x\n", svga->gdcaddr, val); // pclog("Write GDC %02x %02x\n", svga->gdcaddr, val);
@ -373,6 +376,9 @@ uint8_t gd5429_in(uint16_t addr, void *p)
} }
gd5429->dac_3c6_count++; gd5429->dac_3c6_count++;
break; break;
case 0x3c7: case 0x3c8: case 0x3c9:
gd5429->dac_3c6_count = 0;
break;
case 0x3cf: case 0x3cf:
if (svga->gdcaddr > 8) if (svga->gdcaddr > 8)