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Merge pull request #4465 from 86Box/tc1995

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More S3 changes/fixes.
This commit is contained in:
Miran Grča
2024-05-20 02:39:01 +02:00
committed by GitHub
parent e028d65985 1baae350dc
commit 7cef898b7d
1 changed files with 21 additions and 6 deletions
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27
src/video/vid_s3.c
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@@ -3370,9 +3370,9 @@ s3_recalctimings(svga_t *svga)
if ((svga->crtc[0x3a] & 0x10) && !svga->lowres) {
svga->vram_display_mask = s3->vram_mask;
s3_log("BPP=%d, pitch=%d, width=%02x, double?=%x, 16bit?=%d, highres?=%d, "
"attr=%02x.\n", svga->bpp, s3->width, svga->crtc[0x50],
"attr=%02x, hdisp=%d.\n", svga->bpp, s3->width, svga->crtc[0x50],
svga->crtc[0x31] & 0x02, s3->color_16bit, s3->accel.advfunc_cntl & 4,
svga->attrregs[0x10] & 0x40);
svga->attrregs[0x10] & 0x40, svga->hdisp);
switch (svga->bpp) {
case 8:
svga->render = svga_render_8bpp_highres;
@@ -3381,9 +3381,19 @@ s3_recalctimings(svga_t *svga)
switch (s3->card_type) {
case S3_METHEUS_86C928:
switch (s3->width) {
case 1280:
svga->hdisp <<= 1;
svga->dots_per_clock <<= 1;
case 1280: /*Account for the 1280x1024 resolution*/
switch (svga->hdisp) {
case 320:
svga->hdisp <<= 2;
svga->dots_per_clock <<= 2;
break;
case 640:
svga->hdisp <<= 1;
svga->dots_per_clock <<= 1;
break;
default:
break;
}
break;
case 2048: /*Account for the 1280x1024 resolution*/
switch (svga->hdisp) {
@@ -3979,6 +3989,11 @@ s3_recalctimings(svga_t *svga)
case 32:
svga->render = svga_render_32bpp_highres;
switch (s3->chip) {
case S3_VISION864:
svga->hdisp >>= 2;
svga->dots_per_clock >>= 2;
break;
case S3_VISION868:
switch (s3->card_type) {
case S3_PHOENIX_VISION868:
@@ -4116,7 +4131,7 @@ s3_recalctimings(svga_t *svga)
}
}
if ((s3->chip == S3_TRIO32) || (s3->chip == S3_TRIO64))
if ((s3->chip == S3_TRIO32) || (s3->chip == S3_TRIO64) || (s3->chip == S3_VISION864))
svga->hoverride = 1;
else
svga->hoverride = 0;