Sega Genesis Puggsy (USA)Invincible with jumps when pressing down for killing enemies

[FANAT]

Dear friends, I started this thread at the request to you to make it possible to make this code invincibility Puggsy so that he can kill enemies by jumping on them, when you press down. I do not know, or is it real?, If you can help at least one version of the game Puggsy (USA)