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• 18:47, 11 April 2023 NewRisingSun talk contribs created page NES 2.0 Mapper 458 (Created page with "{{DEFAULTSORT:458}}Category:Multicart mappersCategory:MMC3-like mappersCategory:Mappers with scanline IRQs '''NES 2.0 Mapper 458''' denotes the MMC3-based '''K-3102''' (submapper 0) and '''GN-23''' (submapper 1) multicart PCBs. The MMC3 is only used for CHR banking and mirroring, while all PRG banking is controlled by an extra register, similar to NES 2.0 Mapper 259. ==Extra Register ($6000-$7FFF, write)== A~[011. .... d.DM PPPP] | || +...")