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More horizontal blanking calculation fixes (and actually use blank start, not retrace start), fixes graphics cut-off on Voodoo on Windows 98 SE.

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OBattler
2024-01-13 00:41:45 +01:00
parent 38ef7fa1c3
commit ca4f5bad13
10 changed files with 76 additions and 39 deletions
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src/video/vid_svga.c
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@@ -738,7 +738,7 @@ svga_recalctimings(svga_t *svga)
} else
svga->monitor->mon_overscan_x = 16;
svga->hblankstart = svga->crtc[4] + 1;
svga->hblankstart = svga->crtc[2] + 1;
svga->hblank_end_val = (svga->crtc[3] & 0x1f) | ((svga->crtc[5] & 0x80) ? 0x20 : 0x00);
svga_log("htotal = %i, hblankstart = %i, hblank_end_val = %02X\n",