Free Troops:
Follow the steps below to free troops:

     Place the pointer over the troop roster 
     Hold Select and press Circle, Triangle, X, Square, Left, Right. Your troops will now fight
     for free. 


All Units:
Follow the steps below to have all units:

     Step 1 - Place the pointer over the spare book on the left. 
     Step 2 - Hold Select and press R1, L1, L2, R2. Your troop roster will now contain all units
     in the game. 


Infinite Magic Points:
Follow the steps below to gain infinite magic points:

     Step 1 - Place the pointer over the book of magic, 
     Step 2 - hold Select and press Left, Up, Right, Down, L1, R1. Now when a spell is cast
     during a battle, no magic points will be deducted.