These codes were also known as Action Replay Codes and in most cases will work on both devices.
These codes are for the Japanese version of the game.
- P1 Infinite Life
800BDA68 0005 - P2 Infinite Life
800BDA6A 0005 - All Items
80050002 0000
80011E12 270F - Infinite Time
D00EEB76 F7FF
800A92CC 0000