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Fix bugs in Paradise banking. Fixes further Windows 3.x corruption.

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This commit is contained in:
SarahW 2021-05-29 09:18:04 +01:00
commit 231d235d8f
1 changed files with 8 additions and 5 deletions
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13
src/vid_paradise.c
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@ -101,9 +101,9 @@ void paradise_out(uint16_t addr, uint8_t val, void *p)
paradise_remap(paradise);
return;
}
if (svga->gdcaddr == 0xe)
if (svga->gdcaddr == 0xb)
{
svga->gdcreg[0xe] = val;
svga->gdcreg[0xb] = val;
paradise_remap(paradise);
return;
}
@ -211,11 +211,11 @@ void paradise_remap(paradise_t *paradise)
paradise->write_bank[0] = paradise->write_bank[2] = (svga->gdcreg[0xa] & 0x7f) << 12;
paradise->write_bank[1] = paradise->write_bank[3] = ((svga->gdcreg[0xa] & 0x7f) << 12) + ((svga->gdcreg[6] & 0x08) ? 0 : 0x8000);
}
else if (svga->gdcreg[0xe] & 0x08)
else if (svga->gdcreg[0xb] & 0x08)
{
if (svga->gdcreg[0x6] & 0xc)
{
// pclog("Remap 2\n");
// pclog("Remap 2\n");
paradise->read_bank[0] = paradise->read_bank[2] = (svga->gdcreg[0xa] & 0x7f) << 12;
paradise->write_bank[0] = paradise->write_bank[2] = (svga->gdcreg[0xa] & 0x7f) << 12;
paradise->read_bank[1] = paradise->read_bank[3] = ((svga->gdcreg[0x9] & 0x7f) << 12) + ((svga->gdcreg[6] & 0x08) ? 0 : 0x8000);
@ -238,7 +238,10 @@ void paradise_remap(paradise_t *paradise)
paradise->write_bank[0] = paradise->write_bank[2] = (svga->gdcreg[0x9] & 0x7f) << 12;
paradise->write_bank[1] = paradise->write_bank[3] = ((svga->gdcreg[0x9] & 0x7f) << 12) + ((svga->gdcreg[6] & 0x08) ? 0 : 0x8000);
}
// pclog("Remap - %04X %04X\n", paradise->read_bank[0], paradise->write_bank[0]);
paradise->read_bank[1] &= 0x7ffff;
paradise->write_bank[1] &= 0x7ffff;
// pclog("Remap - %04X %04X %04x %04x\n", paradise->read_bank[0], paradise->write_bank[0], paradise->read_bank[1], paradise->write_bank[1]);
}
void paradise_recalctimings(svga_t *svga)