Stick control mode:
Hold L and press Up, Down, Left, Right, R at the title screen or during game play. Then, release L.
Reversed triggers control mode:
Hold L and press Up, Down, Left, Right, Square at the title screen or during game play. Then, release L.
Straight triggers control mode:
Hold L and press Up, Down, Left, Right, Triangle at the title screen or during game play. Then, release L.?