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Merge pull request #6412 from 86Box/TC1995

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Revert the k1/k2 s3 virge masks.
This commit is contained in:
Miran Grča
2025-10-27 16:41:25 +01:00
committed by GitHub
parent 292c694d5a dde2565736
commit 2af6bd50f1
1 changed files with 12 additions and 12 deletions
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24
src/video/vid_s3_virge.c
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@@ -1975,9 +1975,9 @@ s3_virge_mmio_write_l(uint32_t addr, uint32_t val, void *priv)
break;
case 0x8190:
virge->streams.sec_ctrl = val;
virge->streams.dda_horiz_accumulator = val & 0xfff;
if (val & 0x1000)
virge->streams.dda_horiz_accumulator |= ~0xfff;
virge->streams.dda_horiz_accumulator = val & 0x7ff;
if (val & 0x800)
virge->streams.dda_horiz_accumulator |= ~0x7ff;
virge->streams.sdif = (val >> 24) & 7;
break;
@@ -1990,9 +1990,9 @@ s3_virge_mmio_write_l(uint32_t addr, uint32_t val, void *priv)
if (val & 0x800)
virge->streams.k1_horiz_scale |= ~0x7ff;
virge->streams.k2_horiz_scale = (val >> 16) & 0x7ff;
if ((val >> 16) & 0x800)
virge->streams.k2_horiz_scale |= ~0x7ff;
virge->streams.k2_horiz_scale = (val >> 16) & 0x3ff;
if ((val >> 16) & 0x400)
virge->streams.k2_horiz_scale |= ~0x3ff;
svga_recalctimings(svga);
svga->fullchange = changeframecount;
@@ -2048,14 +2048,14 @@ s3_virge_mmio_write_l(uint32_t addr, uint32_t val, void *priv)
virge->streams.k1_vert_scale |= ~0x7ff;
break;
case 0x81e4:
virge->streams.k2_vert_scale = val & 0x7ff;
if (val & 0x800)
virge->streams.k2_vert_scale |= ~0x7ff;
virge->streams.k2_vert_scale = val & 0x3ff;
if (val & 0x400)
virge->streams.k2_vert_scale |= ~0x3ff;
break;
case 0x81e8:
virge->streams.dda_vert_accumulator = val & 0xfff;
if (val & 0x1000)
virge->streams.dda_vert_accumulator |= ~0xfff;
virge->streams.dda_vert_accumulator = val & 0x7ff;
if (val & 0x800)
virge->streams.dda_vert_accumulator |= ~0x7ff;
svga_recalctimings(svga);
svga->fullchange = changeframecount;