Map Mode 21
From SnesLab
(Redirected from HiROM)
Map Mode 21 is HiROM. The byte at FFD5h may be 21h for SlowROM or 31h for FastROM in Map Mode 21.
See Also
- Map Mode 20 (LoROM)
- List of HiROM Games
Reference
- page 1-2-17 of Book I of the official Super Nintendo development manual