80486DX2-66/86Box-fork
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Improved it a bit.

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This commit is contained in:
OBattler
2021-09-14 02:33:52 +02:00
parent 3cd6518f11
commit a68b738308
1 changed files with 2 additions and 5 deletions
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7
src/video/vid_s3.c
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@@ -1880,14 +1880,11 @@ s3_queue(s3_t *s3, uint32_t addr, uint32_t val, uint32_t type)
static uint32_t
s3_hwcursor_convert_addr(svga_t *svga)
{
uint32_t real_addr;
if ((svga->bpp == 8) && ((svga->gdcreg[5] & 0x60) >= 0x20) && (svga->crtc[0x45] & 0x10)) {
real_addr = (svga->hwcursor_latch.addr & 0xfffff000);
if ((svga->gdcreg[5] & 0x60) >= 0x40)
return (real_addr | ((svga->hwcursor_latch.addr & 0x200) << 2)) + 0x600 + (svga->hwcursor_latch.addr & 0x1ff);
return ((svga->hwcursor_latch.addr & 0xfffff1ff) | ((svga->hwcursor_latch.addr & 0x200) << 2)) | 0x600;
else if ((svga->gdcreg[5] & 0x60) == 0x20)
return (real_addr | ((svga->hwcursor_latch.addr & 0x300) << 2)) + 0x300 + (svga->hwcursor_latch.addr & 0xff);
return ((svga->hwcursor_latch.addr & 0xfffff0ff) | ((svga->hwcursor_latch.addr & 0x300) << 2)) | 0x300;
else
return svga->hwcursor_latch.addr;
} else