80486DX2-66/86Box-fork
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Fixed low BIOS mapping so it maps correctly with a 512k or biggeer BIOS as well.

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OBattler
2023-07-03 02:34:54 +02:00
parent 277795dc69
commit feece51403
1 changed files with 1 additions and 1 deletions
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2
src/mem/rom.c
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@@ -442,7 +442,7 @@ bios_add(void)
mem_mapping_add(&bios_mapping, 0xe0000, 0x20000,
bios_read, bios_readw, bios_readl,
NULL, NULL, NULL,
&rom[0x20000], MEM_MAPPING_EXTERNAL | MEM_MAPPING_ROM | MEM_MAPPING_ROMCS, 0);
&rom[biosmask + 1 - 0x20000], MEM_MAPPING_EXTERNAL | MEM_MAPPING_ROM | MEM_MAPPING_ROMCS, 0);
mem_set_mem_state_both(0x0e0000, 0x20000,
MEM_READ_ROMCS | MEM_WRITE_ROMCS);