NES 2.0 Mapper 346
From Nesdev wiki
NES 2.0 Mapper 346 is used for Kaiser's cartridge conversion of the FDS game Zanac. Its UNIF board name is UNL-KS7012.
- CPU $6000-$7FFF: Unbanked 8 KiB of PRG-RAM
- CPU $8000-$FFFF: Selectable 32 KiB PRG-ROM bank, defaults to #1
- PPU $0000-$1FFF: Unbanked 8 KiB of CHR-RAM
Mirroring is hard-wired.
The actual address masks are unknown.
- CPU $E0A0: Select 32 KiB PRG-ROM bank #0 at CPU $8000-$FFFF.
- CPU $EE36: Select 32 KiB PRG-ROM bank #1 at CPU $8000-$FFFF.