The Keys are the key
These codes will give the player 99 keys.
Player 1 = 7E12F163
Player 2 = 7E12F363
It's Magic!
This will give 99 Magic to player.
Player 1 = 7E131563
Player 2 = 7E131763
Stong and Mighty
This will give 99 Strong to player.
Player 1 = 7E130163
Player 2 = 7E130363
Infinite
This will give the player infinite lives.
Player 1 = 7E1309FF
Player 2 = 7E130B63
Bonus! Time, that is...
Infinite Bonus Time = 7E15EFFF
I can't see you!
To make you invisible = 7E131EFF