The codes should work with the region specified but may work for other regions as well.
Device Compatibility: Action Replay, CodeBreaker & GameShark
Infinite Lives
800FFEFC 0006
Have All Weapons
300FF9A0 0001
Open All Restart Points in the Level
800FF9C0 0001
Invincibility
800FF9A4 0001
Open a Debug Window During Game
800FF9C4 0001