Where do you enter cheats for Star Wars the force unleashed for psp

WHEN YOU ARE IN THE ROUGE SHADOW BEFORE A MISSION YOU GO TO YOUR PILOT AND SELECT HER AND IT WILL GIVE YOU THREE CHEATCODE MODE SHOULD BE IN THE MIDDLE AND I HOPE THIS HELPS IF YOU NEED A WEBSITE CHEATS TRY CHEATCC.COM THEY HAVE CODES FOR PRETTY MUCH EVERY GAME HOPE THIS HELPS :] Signed xKIDD_SP33DII