NES 2.0 Mapper 438: Difference between revisions

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m (Corrected mirroring bit.)
m (Swap N/M letters.)
 
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{{DEFAULTSORT:438}}[[Category:Multicart mappers]]
{{DEFAULTSORT:438}}[[Category:Multicart mappers]]
'''NES 2.0 Mapper 438''' denotes the '''K-3071''' multicart circuit board for NROM-128/NROM-256 games with selectable mirroring.
'''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]
  A~[1... .... ..PP PPpN] D~[..CC CCCM]
                 || ||||      || |||+- Mirroring (0=Vertical, 1=Horizontal)
                 || ||||      || |||+- Mirroring (0=Vertical, 1=Horizontal)
                 || ||||      ++-+++-- CHR A17..A13
                 || ||||      ++-+++-- CHR A17..A13
                 || |||+--------------- PRG mode (0=NROM-128, 1=NROM-256)
                 || |||+--------------- PRG mode (0=NROM-128, 1=NROM-256)
                 ++-+++---------------- PRG A18..A14
                 ++-+++---------------- PRG A18..A14

Latest revision as of 20:58, 1 April 2022

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

A~[1... .... ..PP PPpN] D~[..CC CCCM]
               || ||||       || |||+- Mirroring (0=Vertical, 1=Horizontal)
               || ||||       ++-+++-- CHR A17..A13
               || |||+--------------- PRG mode (0=NROM-128, 1=NROM-256)
               ++-+++---------------- PRG A18..A14