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Some Cirrus Logic CL-GD 54x6 fixes - fixes rendering of CMD.EXE's scroll bars on Windows 2000 and Neptune.

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This commit is contained in:
OBattler
2018-03-22 02:40:33 +01:00
parent a136b32792
commit 19d87069e6
1 changed files with 4 additions and 4 deletions
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8
src/video/vid_cl54xx.c
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@@ -9,7 +9,7 @@
* Emulation of select Cirrus Logic cards (CL-GD 5428,
* CL-GD 5429, CL-GD 5430, CL-GD 5434 and CL-GD 5436 are supported).
*
* Version: @(#)vid_cl_54xx.c 1.0.11 2018/03/20
* Version: @(#)vid_cl_54xx.c 1.0.12 2018/03/22
*
* Authors: Sarah Walker, <http://pcem-emulator.co.uk/>
* Barry Rodewald,
@@ -1996,13 +1996,13 @@ gd54xx_start_blit(uint32_t cpu_dat, int count, gd54xx_t *gd54xx, svga_t *svga)
src = svga->vram[(gd54xx->blt.src_addr & (svga->vram_mask & ~7)) + (gd54xx->blt.y_count << 3) + (gd54xx->blt.x_count & 7)];
break;
case CIRRUS_BLTMODE_PIXELWIDTH16:
src = svga->vram[(gd54xx->blt.src_addr & (svga->vram_mask & ~3)) + (gd54xx->blt.y_count << 4) + (gd54xx->blt.x_count & 15)];
src = svga->vram[(gd54xx->blt.src_addr & (svga->vram_mask & ~15)) + (gd54xx->blt.y_count << 4) + (gd54xx->blt.x_count & 15)];
break;
case CIRRUS_BLTMODE_PIXELWIDTH24:
src = svga->vram[(gd54xx->blt.src_addr & (svga->vram_mask & ~3)) + (gd54xx->blt.y_count << 5) + (gd54xx->blt.x_count % 24)];
src = svga->vram[(gd54xx->blt.src_addr & (svga->vram_mask & ~31)) + (gd54xx->blt.y_count << 5) + (gd54xx->blt.x_count % 31)];
break;
case CIRRUS_BLTMODE_PIXELWIDTH32:
src = svga->vram[(gd54xx->blt.src_addr & (svga->vram_mask & ~3)) + (gd54xx->blt.y_count << 5) + (gd54xx->blt.x_count & 31)];
src = svga->vram[(gd54xx->blt.src_addr & (svga->vram_mask & ~31)) + (gd54xx->blt.y_count << 5) + (gd54xx->blt.x_count & 31)];
break;
}
mask = 1;