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Restored the 0x0f switch case for the color depth of the Cirrus (reserved in the manual, maybe undocumented or not)

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TC1995
2020-06-17 23:44:37 +02:00
parent 4fa8fd3dc0
commit 56411cac74
1 changed files with 34 additions and 0 deletions
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34
src/video/vid_cl54xx.c
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@@ -1136,6 +1136,40 @@ gd54xx_recalctimings(svga_t *svga)
svga->map8 = video_8to32; svga->map8 = video_8to32;
svga->render = svga_render_8bpp_highres; svga->render = svga_render_8bpp_highres;
break; break;
case 0xf:
switch (svga->seqregs[7] & CIRRUS_SR7_BPP_MASK) {
case CIRRUS_SR7_BPP_32:
if (svga->crtc[0x27] >= CIRRUS_ID_CLGD5430) {
svga->bpp = 32;
svga->render = svga_render_32bpp_highres;
svga->rowoffset *= 2;
}
break;
case CIRRUS_SR7_BPP_24:
svga->bpp = 24;
svga->render = svga_render_24bpp_highres;
break;
case CIRRUS_SR7_BPP_16:
if ((svga->crtc[0x27] >= CIRRUS_ID_CLGD5428) || (svga->crtc[0x27] == CIRRUS_ID_CLGD5426)) {
svga->bpp = 16;
svga->render = svga_render_16bpp_highres;
}
break;
case CIRRUS_SR7_BPP_16_DOUBLEVCLK:
svga->bpp = 16;
svga->render = svga_render_16bpp_highres;
break;
case CIRRUS_SR7_BPP_8:
svga->bpp = 8;
svga->render = svga_render_8bpp_highres;
break;
}
break;
} }
} else { } else {
svga->bpp = 15; svga->bpp = 15;