NES 2.0 Mapper 448: Revision history

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2 April 2022

  • curprev 12:0812:08, 2 April 2022NewRisingSun talk contribs 1,279 bytes +1,279 Created page with "{{DEFAULTSORT:448}}Category:Multicart mappersCategory:Mappers with CHR RAM'''NES 2.0 Mapper 448''' denotes the VRC4-based '''830768C''' multicart circuit board used by a ''Super 6-in-1'' multicart. The VRC4 clone's A0/A1 inputs are connected to CPU A2/A3, and its PRG-RAM chip-enable signal drives an outer bank register. The VRC4 is otherwise mainly used for its IRQ and mirroring selection functionalities; discrete circuits implement UNROM/UOROM/AOROM-like PRG..."