Turn On Combos, No Damage, and More

During gameplay, press Pause, then enter the following codes:
Computer players off: Press Left, Left, Up, Down, R2.
Big damage on: Press Up, Up, L1, L2, Down.
Combos on: Press R1, L2, R2, L2, Right.
Small human damage on: Press Down, Up, L2, Right, Left.
No human damage: Press R2, L2, R2, L2, R1.
Auto Super Pins: Press Down, Down, Down, Down, L1.