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Ported the latest PCem changes (Voodoo and ATI 28800).

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This commit is contained in:
TC1995
2020-11-25 23:33:46 +01:00
parent 39043ffb9c
commit d6fcf4f683
4 changed files with 99 additions and 18 deletions
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10
src/video/vid_ati28800.c
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@@ -401,7 +401,7 @@ ati28800_recalctimings(svga_t *svga)
case 0x09: svga->clock = (cpuclock * (double)(1ull << 32)) / 32000000.0; break;
case 0x0A: svga->clock = (cpuclock * (double)(1ull << 32)) / 37500000.0; break;
case 0x0B: svga->clock = (cpuclock * (double)(1ull << 32)) / 39000000.0; break;
case 0x0C: svga->clock = (cpuclock * (double)(1ull << 32)) / 40000000.0; break;
case 0x0C: svga->clock = (cpuclock * (double)(1ull << 32)) / 50350000.0; break;
case 0x0D: svga->clock = (cpuclock * (double)(1ull << 32)) / 56644000.0; break;
case 0x0E: svga->clock = (cpuclock * (double)(1ull << 32)) / 75000000.0; break;
case 0x0F: svga->clock = (cpuclock * (double)(1ull << 32)) / 65000000.0; break;
@@ -423,14 +423,6 @@ ati28800_recalctimings(svga_t *svga)
svga->rowoffset <<= 1;
}
if (svga->crtc[0x17] & 4) {
svga->vtotal <<= 1;
svga->dispend <<= 1;
svga->vsyncstart <<= 1;
svga->split <<= 1;
svga->vblankstart <<= 1;
}
if (!svga->scrblank && (ati28800->regs[0xb0] & 0x20)) { /* Extended 256 colour modes */
switch (svga->bpp) {
case 8:

23
src/video/vid_voodoo_banshee.c
View File

@@ -660,7 +660,7 @@ static void banshee_ext_outl(uint16_t addr, uint32_t val, void *p)
case Video_hwCurPatAddr:
banshee->hwCurPatAddr = val;
svga->hwcursor.addr = val & 0xfffff0;
svga->hwcursor.addr = (val & 0xfffff0) + (svga->hwcursor.yoff * 16);
break;
case Video_hwCurLoc:
banshee->hwCurLoc = val;
@@ -673,6 +673,7 @@ static void banshee_ext_outl(uint16_t addr, uint32_t val, void *p)
}
else
svga->hwcursor.yoff = 0;
svga->hwcursor.addr = (banshee->hwCurPatAddr & 0xfffff0) + (svga->hwcursor.yoff * 16);
svga->hwcursor.xsize = 64;
svga->hwcursor.ysize = 64;
// banshee_log("hwCurLoc %08x %i\n", val, svga->hwcursor.y);
@@ -1381,6 +1382,9 @@ static uint16_t banshee_read_linear_w(uint32_t addr, void *p)
voodoo_t *voodoo = banshee->voodoo;
svga_t *svga = &banshee->svga;
if (addr & 1)
return banshee_read_linear(addr, p) | (banshee_read_linear(addr+1, p) << 8);
sub_cycles(voodoo->read_time);
addr &= svga->decode_mask;
@@ -1412,6 +1416,9 @@ static uint32_t banshee_read_linear_l(uint32_t addr, void *p)
voodoo_t *voodoo = banshee->voodoo;
svga_t *svga = &banshee->svga;
if (addr & 3)
return banshee_read_linear_w(addr, p) | (banshee_read_linear_w(addr+2, p) << 16);
sub_cycles(voodoo->read_time);
addr &= svga->decode_mask;
@@ -1475,6 +1482,13 @@ static void banshee_write_linear_w(uint32_t addr, uint16_t val, void *p)
voodoo_t *voodoo = banshee->voodoo;
svga_t *svga = &banshee->svga;
if (addr & 1)
{
banshee_write_linear(addr, val, p);
banshee_write_linear(addr + 1, val >> 8, p);
return;
}
sub_cycles(voodoo->write_time);
// banshee_log("write_linear: addr=%08x val=%02x\n", addr, val);
@@ -1508,6 +1522,13 @@ static void banshee_write_linear_l(uint32_t addr, uint32_t val, void *p)
svga_t *svga = &banshee->svga;
int timing;
if (addr & 3)
{
banshee_write_linear_w(addr, val, p);
banshee_write_linear_w(addr + 2, val >> 16, p);
return;
}
if (addr == voodoo->last_write_addr+4)
timing = voodoo->burst_time;
else