NES 2.0 Mapper 471: Revision history

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23 January 2023

22 January 2023

  • curprev 12:5112:51, 22 January 2023‎ NewRisingSun talk contribs‎ 882 bytes +882‎ Created page with "{{DEFAULTSORT:471}} '''NES 2.0 Mapper 471''' denotes the '''Impact Soft IM1''' circuit board, used for ''Haratyler'' (without ''HG'' or ''MP'') and ''Haraforce''. It is basically INES Mapper 201 with the addition of a scanline IRQ. =Banks= * CPU $8000-$FFFF: 32 KiB switchable PRG ROM bank * PPU $0000-$1FFF: 8 KiB switchable CHR ROM bank * Nametable mirroring: hard-wired, selectable via solder pad =Address Latch/Acknowledge IRQ ($8000-$FFFF, write)= Mask: $8000..."
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