Super Mario Bros. 3 - Pirate Style
Cartridge Board, Front
What Is It?
Super Mario Bros. 3. With a hacked title screen.
Interestingly, this is the Japanese version of SMB3.
They used 2 128K ROMs on this cart to make up the 256K
of PRG ROM found on a normal SMB3 cart. The unmarked chip
on the board is a typical 8K SRAM.
Pirate MMC3 (marked "88" on the picture),
128K worth of CHR ROM, 256K worth of PRG ROM, and 1 8K WRAM.
I tested the MMC3 pirate, and it works absolutely identical to the real MMC3, down to the
IRQ timer, and WRAM write disable bit.