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CS8220: Actually update the memory state at initialization, makes the entirety of RAM accessible.

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OBattler
2025-11-09 06:22:21 +01:00
parent f8eeaf4726
commit 7960cb4cfe
1 changed files with 11 additions and 3 deletions
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14
src/chipset/cs8220.c
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@@ -252,23 +252,31 @@ cs8220_init(UNUSED(const device_t *info))
break;
}
if (dev->ram_banks[0].size > 0x00000000)
mem_set_mem_state(0x00000000, (mem_size << 10) + 0x00060000, MEM_READ_EXTANY | MEM_WRITE_EXTANY);
if (dev->ram_banks[0].size > 0x00000000) {
mem_mapping_add(&dev->ram_banks[0].mapping, dev->ram_banks[0].virt, dev->ram_banks[0].size,
cs8220_mem_read, cs8220_mem_readw, NULL,
cs8220_mem_write, cs8220_mem_writew, NULL,
ram + dev->ram_banks[0].phys, MEM_MAPPING_INTERNAL, &(dev->ram_banks[0]));
mem_set_mem_state(dev->ram_banks[0].virt, dev->ram_banks[0].size, MEM_READ_INTERNAL | MEM_WRITE_INTERNAL);
}
if (dev->ram_banks[1].size > 0x00000000)
if (dev->ram_banks[1].size > 0x00000000) {
mem_mapping_add(&dev->ram_banks[1].mapping, dev->ram_banks[1].virt, dev->ram_banks[1].size,
cs8220_mem_read, cs8220_mem_readw, NULL,
cs8220_mem_write, cs8220_mem_writew, NULL,
ram + dev->ram_banks[1].phys, MEM_MAPPING_INTERNAL, &(dev->ram_banks[1]));
mem_set_mem_state(dev->ram_banks[1].virt, dev->ram_banks[2].size, MEM_READ_INTERNAL | MEM_WRITE_INTERNAL);
}
if (dev->ram_banks[2].size > 0x00000000)
if (dev->ram_banks[2].size > 0x00000000) {
mem_mapping_add(&dev->ram_banks[2].mapping, dev->ram_banks[2].virt, dev->ram_banks[2].size,
cs8220_mem_read, cs8220_mem_readw, NULL,
cs8220_mem_write, cs8220_mem_writew, NULL,
ram + dev->ram_banks[2].phys, MEM_MAPPING_INTERNAL, &(dev->ram_banks[2]));
mem_set_mem_state(dev->ram_banks[2].virt, dev->ram_banks[2].size, MEM_READ_INTERNAL | MEM_WRITE_INTERNAL);
}
io_sethandler(0x00a4, 0x0002,
cs8220_in, NULL, NULL, cs8220_out, NULL, NULL, dev);