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Implemented S3 Cursor Right Addressing.

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This commit is contained in:
OBattler
2021-09-14 02:08:11 +02:00
parent f27fec1740
commit 411a64553d
1 changed files with 10 additions and 0 deletions
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10
src/video/vid_s3.c
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@@ -1886,6 +1886,16 @@ s3_hwcursor_draw(svga_t *svga, int displine)
int xx;
int offset = svga->hwcursor_latch.x - svga->hwcursor_latch.xoff;
uint32_t fg, bg;
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)
real_addr = (real_addr | ((svga->hwcursor_latch.addr & 0x200) << 2)) + 0x200;
else if ((svga->gdcreg[5] & 0x60) == 0x20)
real_addr = (real_addr | ((svga->hwcursor_latch.addr & 0x300) << 2)) + 0x100;
} else
real_addr = svga->hwcursor_latch.addr;
switch (svga->bpp)
{