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Published on May 17, 2011
Just some testing of my Super Mario All-Stars cartridge for the NES! That's right, NES, not SNES.
All 4 games (SMB 2, SMB 2J: The Lost Levels, SMB 3 and SMB 3: Chaos Control) are contained on a single PRG and CHR ROM and the reset button on the console drives a synchronous binary counter to pick between them.