PocketNES is a NES emulator for Gameboy Advance. PocketNES is written by loopy and flubba and started out as an assembler port of loopynes emulator for DOS.

2004-07-03 Bugfixes in new PocketNES Version 9.93: Changed back to the old mapper #4. Changed back to the old cpu core.

http://www.pocketnes.org/