Oh, If you found the cheat for PS2 might work on XBOX
XBOX Y----------------PS2 triangle
XBOX B----------------PS2 circle
XBOX A----------------PS2 X
XBOX X----------------PS2 square
XBOX R Trigger--------PS2 R1
XBOX Black------------PS2 R2
XBOX L Trigger--------PS2 L1
XBOX White------------PS2 L2
Try this