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Fixed minor bugs in the NCR 53C810 and Adaptec/Buslogic SCSI emulations;

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FDC reads and writes now use up ISA cycles;
Fixed Mach64 mono-source blits, fixes NT 3.1 and 3.5 drivers;
Incresed maximum emulated CD-ROM speed to 72x;
Fixed a minor bug in the Cirrus Logic CL-GD 54xx emulation.
This commit is contained in:
OBattler
2018-03-10 21:46:38 +01:00
parent 07035f7100
commit c0bb63bd82
6 changed files with 39 additions and 17 deletions
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33
src/video/vid_ati_mach64.c
View File

@@ -8,7 +8,7 @@
*
* ATi Mach64 graphics card emulation.
*
* Version: @(#)vid_ati_mach64.c 1.0.13 2018/03/02
* Version: @(#)vid_ati_mach64.c 1.0.14 2018/03/10
*
* Authors: Sarah Walker, <http://pcem-emulator.co.uk/>
* Miran Grca, <mgrca8@gmail.com>
@@ -959,6 +959,13 @@ void mach64_start_fill(mach64_t *mach64)
mach64->accel.dst_width = (mach64->dst_height_width >> 16) & 0x1fff;
mach64->accel.dst_height = mach64->dst_height_width & 0x1fff;
if (((mach64->dp_src >> 16) & 7) == MONO_SRC_BLITSRC)
{
if (mach64->accel.dst_width & 7)
mach64->accel.dst_width = (mach64->accel.dst_width & ~7) + 8;
}
mach64->accel.x_count = mach64->accel.dst_width;
mach64->accel.src_x = 0;
@@ -1140,8 +1147,11 @@ void mach64_start_line(mach64_t *mach64)
#define READ(addr, dat, width) if (width == 0) dat = svga->vram[((addr)) & mach64->vram_mask]; \
else if (width == 1) dat = *(uint16_t *)&svga->vram[((addr) << 1) & mach64->vram_mask]; \
else if (width == 2) dat = *(uint32_t *)&svga->vram[((addr) << 2) & mach64->vram_mask]; \
else dat = (svga->vram[((addr) >> 3) & mach64->vram_mask] >> ((addr) & 7)) & 1;
else if (mach64->dp_pix_width & DP_BYTE_PIX_ORDER) dat = (svga->vram[((addr) >> 3) & mach64->vram_mask] >> ((addr) & 7)) & 1; \
else dat = (svga->vram[((addr) >> 3) & mach64->vram_mask] >> (7 - ((addr) & 7))) & 1;
#define READ1BPP(addr, dat, width)
#define MIX switch (mix ? mach64->accel.mix_fg : mach64->accel.mix_bg) \
{ \
case 0x0: dest_dat = ~dest_dat; break; \
@@ -1161,7 +1171,7 @@ void mach64_start_line(mach64_t *mach64)
case 0xe: dest_dat = ~src_dat & dest_dat; break; \
case 0xf: dest_dat = ~(src_dat | dest_dat); break; \
}
#define WRITE(addr, width) if (width == 0) \
{ \
svga->vram[(addr) & mach64->vram_mask] = dest_dat; \
@@ -1179,10 +1189,17 @@ void mach64_start_line(mach64_t *mach64)
} \
else \
{ \
if (dest_dat & 1) \
svga->vram[((addr) >> 3) & mach64->vram_mask] |= 1 << ((addr) & 7); \
else \
svga->vram[((addr) >> 3) & mach64->vram_mask] &= ~(1 << ((addr) & 7)); \
if (dest_dat & 1) { \
if (mach64->dp_pix_width & DP_BYTE_PIX_ORDER) \
svga->vram[((addr) >> 3) & mach64->vram_mask] |= 1 << ((addr) & 7); \
else \
svga->vram[((addr) >> 3) & mach64->vram_mask] |= 1 << (7 - ((addr) & 7)); \
} else { \
if (mach64->dp_pix_width & DP_BYTE_PIX_ORDER) \
svga->vram[((addr) >> 3) & mach64->vram_mask] &= ~(1 << ((addr) & 7)); \
else \
svga->vram[((addr) >> 3) & mach64->vram_mask] &= ~(1 << (7 - ((addr) & 7)));\
} \
svga->changedvram[(((addr) >> 3) & mach64->vram_mask) >> 12] = changeframecount; \
}

4
src/video/vid_cl54xx.c
View File

@@ -9,7 +9,7 @@
* Emulation of select Cirrus Logic cards (CL-GD 5428,
* CL-GD 5429, 5430, 5434 and 5436 are supported).
*
* Version: @(#)vid_cl_54xx.c 1.0.10 2018/03/02
* Version: @(#)vid_cl_54xx.c 1.0.11 2018/03/08
*
* Authors: Sarah Walker, <http://pcem-emulator.co.uk/>
* Barry Rodewald,
@@ -2074,7 +2074,7 @@ gd54xx_start_blit(uint32_t cpu_dat, int count, gd54xx_t *gd54xx, svga_t *svga)
switch (gd54xx->blt.rop) {
case 0x00: dst = 0; break;
case 0x05: dst = src & dst; break;
case 0x06: dst = dst; break;
case 0x06: /* dst = dst; */ break;
case 0x09: dst = src & ~dst; break;
case 0x0b: dst = ~ dst; break;
case 0x0d: dst = src; break;