NES 2.0 Mapper 438

From NESdev Wiki
Revision as of 20:56, 1 April 2022 by Kmg (talk | contribs) (Corrected mirroring bit.)
Jump to navigationJump to search

NES 2.0 Mapper 438 denotes the K-3071 multicart circuit board for NROM-128/NROM-256 games with selectable mirroring. 

A~[1... .... ..PP PPpM] D~[..CC CCCN]
               || ||||       || |||+- Mirroring (0=Vertical, 1=Horizontal)
               || ||||       ++-+++-- CHR A17..A13
               || |||+--------------- PRG mode (0=NROM-128, 1=NROM-256)
               ++-+++---------------- PRG A18..A14
Retrieved from "https://www.nesdev.org/w/index.php?title=NES_2.0_Mapper_438&oldid=19302"