Follow the link provided for the emulator you're using to be taken to a guide explaining how to get these codes working. The second installment in this immensely popular RPG series comes to the SNES in the form of FINAL FANTASY II. AC Milan Fantasy Manager 2016 AC/DC Pinball Rocks Ace Attorney: Phoenix Wright Trilogy. If you're using an emulator and still can't figure out how to setup these codes, you're in luck! There's two common emulators for GBA games, the mGBA and VisualBoy Advance. This new edition provides a dungeon map, 'decanting' ability, and a flawed auto-battle system. Anyone playing on a physical Gameboy will need to purchase a physical Codebreaker device to use these codes. Many wise gamers consider IV to be the greatest Final Fantasy ever made. If you're playing on an emulator you can usually input codes very easily by accessing a tab off the top of the toolbar. Cheat Codes for Final Fantasy IV Nintendo DS.
This page contains CodeBreaker cheat codes for Final Fantasy IV Advance (USA, Australia). Cheat codes and cheat code devices for DS, Wii, PS2, XBOX, XBOX360, DS, PSP.
Final Fantasy IV Advance CodeBreaker Codes (USA, Australia)