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Map Mode 20
From SnesLab
Map Mode 20 is LoROM. The byte at FFD5h may be 20h or 30h in Map Mode 20.
In LoROM, information is stored in only 32K of each bank of cartridge ROM.
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