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Fix horizontal blanking calculation, fixes some S3 blanking excesses.

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OBattler
2024-02-07 00:11:02 +01:00
parent d8d44efab2
commit f3d585a1e1
11 changed files with 189 additions and 226 deletions
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9
src/video/vid_mga.c
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@@ -976,11 +976,10 @@ mystique_recalctimings(svga_t *svga)
svga->hdisp_time = svga->hdisp;
svga->rowoffset = svga->crtc[0x13] | ((mystique->crtcext_regs[0] & CRTCX_R0_OFFSET_MASK) << 4);
svga->dots_per_clock = 8;
svga->hblank_end_val = (svga->crtc[3] & 0x1f) | (((svga->crtc[5] & 0x80) >> 7) << 5) |
(((mystique->crtcext_regs[1] & 0x40) >> 6) << 6);
svga->hblank_overscan = 0;
svga->dots_per_clock = 8;
svga->hblank_end_val = (svga->crtc[3] & 0x1f) | (((svga->crtc[5] & 0x80) >> 7) << 5) |
(((mystique->crtcext_regs[1] & 0x40) >> 6) << 6);
svga->hblank_end_mask = 0x0000007f;
if (mystique->type != MGA_2164W && mystique->type != MGA_2064W)
svga->lut_map = !!(mystique->xmiscctrl & XMISCCTRL_RAMCS);