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Some Headland chipset fixes.

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This commit is contained in:
OBattler
2020-07-12 02:07:27 +02:00
parent be0a681f31
commit 8020f8e763
1 changed files with 2 additions and 5 deletions
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7
src/chipset/headland.c
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@@ -126,7 +126,7 @@ get_addr(headland_t *dev, uint32_t addr, headland_mr_t *mr)
else
addr |= (mr->mr & 0x180) << 12;
}
} else if ((mr == NULL) && ((dev->cr[0] & 4) == 0) && (mem_size >= 1024) && (addr >= 0x100000))
} else if (((mr == NULL) || !mr->valid) && ((dev->cr[0] & 4) == 0) && (mem_size >= 1024) && (addr >= 0x100000))
addr -= 0x60000;
return addr;
@@ -213,6 +213,7 @@ hl_write(uint16_t addr, uint8_t val, void *priv)
case 0x0023:
old_val = dev->regs[dev->indx];
if ((dev->indx == 0xc1) && !is486)
val = 0;
dev->regs[dev->indx] = val;
@@ -554,10 +555,6 @@ headland_init(const device_t *info)
io_sethandler(0x01ed, 3, hl_read,NULL,NULL, hl_write,NULL,NULL, dev);
dev->ems_mr[i].valid = 0;
dev->ems_mr[i].mr = 0xff;
dev->ems_mr[i].headland = dev;
for (i = 0; i < 64; i++) {
dev->ems_mr[i].valid = 1;
dev->ems_mr[i].mr = 0x00;