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Removed the incorrect usage of CRTC register 3 bits 5 and 6.

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OBattler
2024-02-23 17:02:42 +01:00
parent b55c7b91dd
commit 9124e8165b
2 changed files with 5 additions and 6 deletions
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9
src/video/vid_svga.c
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@@ -1158,9 +1158,9 @@ svga_poll(void *priv)
if (ret) {
if (svga->interlace && svga->oddeven)
svga->ma = svga->maback = (svga->rowoffset << 1) + ((svga->crtc[3] & 0x60) >> 5) + svga->hblank_sub;
svga->ma = svga->maback = (svga->rowoffset << 1) + svga->hblank_sub;
else
svga->ma = svga->maback = ((svga->crtc[3] & 0x60) >> 5) + svga->hblank_sub;
svga->ma = svga->maback = svga->hblank_sub;
svga->ma = (svga->ma << 2);
svga->maback = (svga->maback << 2);
@@ -1230,10 +1230,9 @@ svga_poll(void *priv)
svga->vslines = 0;
if (svga->interlace && svga->oddeven)
svga->ma = svga->maback = svga->ma_latch + (svga->rowoffset << 1) +
((svga->crtc[3] & 0x60) >> 5) + svga->hblank_sub;
svga->ma = svga->maback = svga->ma_latch + (svga->rowoffset << 1) + svga->hblank_sub;
else
svga->ma = svga->maback = svga->ma_latch + ((svga->crtc[3] & 0x60) >> 5) + svga->hblank_sub;
svga->ma = svga->maback = svga->ma_latch + svga->hblank_sub;
svga->ca = ((svga->crtc[0xe] << 8) | svga->crtc[0xf]) + ((svga->crtc[0xb] & 0x60) >> 5) + svga->ca_adj;
svga->ma = (svga->ma << 2);