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Map Mode 20: Difference between revisions
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'''Map Mode 20''' is LoROM. The byte at FFD5h may be 20h or 30h in Map Mode 20. | '''Map Mode 20''' is LoROM. The byte at FFD5h may be 20h for [[SlowROM]] or 30h for [[FastROM]] in Map Mode 20. | ||
In LoROM, cartridge ROM information is mapped to the upper 32K of each [[bank]]. | |||
Use LoROM if you want to be able to access ROM and the [[system area]] without switching banks. | |||
=== See Also === | === See Also === | ||
* [[Map Mode 21]] (HiRom) | * [[Map Mode 21]] (HiRom) | ||
* [[List of LoROM Games]] | |||
=== Reference === | === Reference === | ||
Latest revision as of 12:44, 28 September 2024
Map Mode 20 is LoROM. The byte at FFD5h may be 20h for SlowROM or 30h for FastROM in Map Mode 20.
In LoROM, cartridge ROM information is mapped to the upper 32K of each bank.
Use LoROM if you want to be able to access ROM and the system area without switching banks.
See Also
- Map Mode 21 (HiRom)
- List of LoROM Games
Reference
- page 1-2-17 of Book I of the official Super Nintendo development manual