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Mach64 changes :

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No longer implements CRTC registers beyond 0x18 - NT no longer detects ET4000.
RGBA8888 mode supported - fixes NT 32-bit colour mode.
Bit order controls supported for CPU 1-bit data - fixes NT 24-bit colour mode.
This commit is contained in:
TomW 2014-07-24 21:30:17 +01:00
commit 8cd1b2d29c
5 changed files with 93 additions and 12 deletions
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21
src/vid_svga_render.c
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@ -638,3 +638,24 @@ void svga_render_32bpp_highres(svga_t *svga)
}
}
void svga_render_RGBA8888_highres(svga_t *svga)
{
if (svga->changedvram[svga->ma >> 12] || svga->changedvram[(svga->ma >> 12) + 1] || svga->changedvram[(svga->ma >> 12) + 2] || svga->fullchange)
{
int x;
int offset = (8 - ((svga->scrollcache & 6) >> 1)) + 24;
uint32_t *p = &((uint32_t *)buffer32->line[svga->displine])[offset];
if (svga->firstline_draw == 2000)
svga->firstline_draw = svga->displine;
svga->lastline_draw = svga->displine;
for (x = 0; x <= svga->hdisp; x++)
{
uint32_t dat = *(uint32_t *)(&svga->vram[(svga->ma + (x << 2)) & svga->vrammask]);
p[x] = dat >> 8;
}
svga->ma += 4;
svga->ma &= svga->vrammask;
}
}