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Unbreak 800x600x32bpp Elsa Winner 1000 928VL mode. (#6403)

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Fix its clock and as well as 640x480x32bpp OEM mode clock.
This commit is contained in:
TC1995
2025-10-25 23:26:47 +02:00
committed by GitHub
parent d1f101f9ee
commit f5aea8d540
1 changed files with 10 additions and 5 deletions
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15
src/video/vid_s3.c
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@@ -4536,16 +4536,21 @@ s3_recalctimings(svga_t *svga)
break;
case SC1502X: /*SC15025 RAMDAC*/
if (svga->getclock == icd2061_getclock) { /*ICD2061 clock chip*/
s3_log("32bpp 928 ISA VL SC1502X double=%02x, highres=%02x, dotperclock=%d, clksel=%d, pitch=%d, hdisp=%d, clock=%02x.\n",
svga->crtc[0x31] & 0x02, s3->accel.advfunc_cntl & 0x04, svga->dots_per_clock, clk_sel, s3->width, svga->hdisp, svga->crtc[0x67] >> 4);
if (svga->crtc[0x31] & 0x02) {
svga->hdisp >>= 1;
svga->dots_per_clock >>= 1;
if (svga->hdisp == 640)
s3->width = 1024;
if (svga->dots_per_clock == 16) {
svga->hdisp >>= 1;
svga->dots_per_clock >>= 1;
svga->clock *= 2.0;
if (svga->hdisp == 640)
s3->width = 1024;
}
} else {
svga->hdisp >>= 2;
svga->dots_per_clock >>= 2;
if (svga->hdisp == 800)
s3->width = 1024;
svga->clock *= 2.0;
}
}
break;