The codes should work with the region specified but may work for other regions as well.
Device Compatibility: Action Replay, CodeBreaker & GameShark
Disable P1
300A83760000
300A83780000
Disable P2
300A83770000
300A83790000
Unlock All Extras
800A83DEFFFF
800A83e0FFFF
800A8302FFFF
800A83e4FFFF
Infinite Health P1 Only
800468900002
800468921080
Infinite Health P2 Only
800468900002
800468921480
Infinite Health P1 And P2
8004689a2400