Follow the link provided for the emulator you're using to be taken to a guide explaining how to get these codes working. 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. Anyone playing on a physical Gameboy will need to purchase a physical Codebreaker device to use these codes. If you're playing on an emulator you can usually input codes very easily by accessing a tab off the top of the toolbar. Final fantasy tactics cheats check out our cheats for the location of equipment duplicating weapons and getting jp and gil. This page contains CodeBreaker cheat codes for Final Fantasy Tactics Advance (USA, Australia). Final fantasy tactics gameshark codes ps1. Final Fantasy Tactics Advance CodeBreaker Codes (USA, Australia)