NES 2.0 Mapper 522
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NES 2.0 Mapper 522 is used for Whirlwind Manu's cartridge conversion of the Famicom Disk System game 風雲 少林拳 (Fūun Shōrinken). Its UNIF board name is UNL-LH10.
- CPU $6000-$7FFF: 8 KiB PRG-ROM, hard-wired to second-to-last bank
- CPU $8000-$9FFF: 8 KiB PRG-ROM, switchable
- CPU $A000-$BFFF: 8 KiB PRG-ROM, switchable
- CPU $C000-$DFFF: 8 KiB PRG-RAM
- CPU $E000-$FFFF: 8 KiB PRG-ROM, hard-wired to last bank
- PPU $0000-$1FFF: 8 KiB of unbanked CHR-RAM
Select bank register number
$0-$5: No function $6: Select 8 KiB PRG-ROM bank at CPU $8000-$9FFF $7: Select 8 KiB PRG-ROM bank at CPU $A000-$BFFF
Data for bank register selected by $8000-$9FFE (even).
- Mirroring is hard-wired (to Vertical in Fūun Shōrinken's case).
- The register layout indicates that an MMC3 clone is being used, connected in a restricted manner.