Starblade Alpha Auto fire
At the title screen while the letters are in motion, press Up(2), Down(2), Circle, Triangle, Square. If you entered the code correctly, there will be an explosion. Then, press X to fire the laser during a game.
Infinite continues
At the title screen, press Up, Right, Down, Left, X(3).
| Infinite Credits | 80075898 000F |
The image featured at the top of this post is ©The Legend of Heroes: Trails of Cold Steel III key art / Original