These codes for Constantine are from gamefaqs.com, but I reformatted (Or tried as much as possible) them to be easier to read... however if you've got an easier way to format them be my guest... as per usual, if you notice any errors or anything that just don't work... feel free to fix the page.

NOTICE: On the 360, Black Button = Right Bumper and White Button = Left Bumper.

BLACK, LEFT, RIGHT, LEFT, LEFT, RIGHT, LEFT, BLACK	- Big Demon Heads
LEFT, X, X, X, Y, Y, Y	- Big Weapon Mode
RIGHT, LEFT, X, Y, X,Y, LEFT, RIGHT	- Explosive Holy Bombs
LEFT, RIGHT, RIGHT, LEFT, LEFT, RIGHT, RIGHT, LEFT, Y, Y	- Infinite Spell Soul Energy
WHITE, LEFT, BLACK, LEFT, Y, X, Y, X	- Rapid Fire Shotgun
Y, Y, Y, LEFT, RIGHT, RIGHT, LEFT, LEFT, RIGHT	- Shoot Large Fireballs
L,R,L,X,Y,X,X,Y	- Unlimited Ammo