NES 2.0 Mapper 360
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NES 2.0 mapper is used for Bit Corp's 31-in-1 multicart (3150). Instead of presenting a menu, five user-accessible DIP switches directly select the outer 16 KiB bank. Only if all DIP switches are zero does the outer bank size become 32 KiB (for Super Mario Brothers). The fifth DIP switch, which selects highest outer bank bit 0x10s, also selects vertical (0) or horizontal (1) nametable mirroring.
