Redid the SCAT ROMCS handling again (required changes in mem.c/h), fixes #435.

This commit is contained in:
OBattler
2019-10-19 01:24:42 +02:00
parent 544eb0f1c9
commit 4f2cdf3b39
13 changed files with 129 additions and 130 deletions

View File

@@ -11,7 +11,7 @@
* SiS sis85c471 Super I/O Chip
* Used by DTK PKM-0038S E-2
*
* Version: @(#)sis_85c471.c 1.0.0 2019/05/13
* Version: @(#)sis_85c471.c 1.0.1 2019/10/19
*
* Authors: Miran Grca, <mgrca8@gmail.com>
* Sarah Walker, <http://pcem-emulator.co.uk/>
@@ -63,11 +63,11 @@ sis_85c471_recalcmapping(sis_85c471_t *dev)
if ((i > 5) || (dev->regs[0x02] & (1 << i))) {
shadowbios |= (base >= 0xe0000) && (dev->regs[0x02] & 0x80);
shadowbios_write |= (base >= 0xe0000) && !(dev->regs[0x02] & 0x40);
shflags = (dev->regs[0x02] & 0x80) ? MEM_READ_INTERNAL : MEM_READ_EXTERNAL;
shflags |= (dev->regs[0x02] & 0x40) ? MEM_WRITE_EXTERNAL : MEM_WRITE_INTERNAL;
shflags = (dev->regs[0x02] & 0x80) ? MEM_READ_INTERNAL : MEM_READ_EXTANY;
shflags |= (dev->regs[0x02] & 0x40) ? MEM_WRITE_EXTANY : MEM_WRITE_INTERNAL;
mem_set_mem_state(base, 0x8000, shflags);
} else
mem_set_mem_state(base, 0x8000, MEM_READ_EXTERNAL | MEM_WRITE_EXTERNAL);
mem_set_mem_state(base, 0x8000, MEM_READ_EXTANY | MEM_WRITE_EXTERNAL);
}
flushmmucache();
@@ -125,7 +125,7 @@ sis_85c471_write(uint16_t port, uint8_t val, void *priv)
if (dev->regs[0x13] & 0x10)
mem_set_mem_state(0xa0000, 0x20000, MEM_READ_INTERNAL | MEM_WRITE_INTERNAL);
else
mem_set_mem_state(0xa0000, 0x20000, MEM_READ_EXTERNAL | MEM_WRITE_EXTERNAL);
mem_set_mem_state(0xa0000, 0x20000, MEM_READ_EXTANY | MEM_WRITE_EXTANY);
}
break;