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Video changes (ET4000W32/i):

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Bit 1 is of 0x3DA (read only) is apparently required to make the OS/2 Tseng ET4000W32/i drivers work fine, fixes hangs upon reaching the GUI with said drivers.
Avoid division by zero in the blitter of the ET4000W32/i under OS/2.

Video changes (PVGA):
Fixes mode changes of the PVGA1a, including the built-in video card of the Amstrad 2086/3086.
This commit is contained in:
TC1995
2021-10-31 19:06:16 +01:00
parent ec147fb8f9
commit 7bf6fc3844
2 changed files with 42 additions and 21 deletions
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7
src/video/vid_paradise.c
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@@ -231,7 +231,7 @@ uint8_t paradise_in(uint16_t addr, void *p)
case 0x3cf:
if (svga->gdcaddr >= 9 && svga->gdcaddr <= 0x0e) {
if ((paradise->pr5 & 7) != 5)
if (paradise->pr5 & 0x10)
return 0xff;
}
switch (svga->gdcaddr) {
@@ -354,8 +354,11 @@ void paradise_recalctimings(svga_t *svga)
}
if (paradise->type < WD90C30) {
if (svga->bpp >= 8 && !svga->lowres)
if (svga->bpp >= 8 && !svga->lowres) {
if ((svga->crtc[0x17] == 0xc2) && (svga->crtc[0x14] & 0x40))
paradise->check = 1;
svga->render = svga_render_8bpp_highres;
}
} else {
if (svga->bpp >= 8 && !svga->lowres) {
if (svga->bpp == 16) {