Super Punch Out!! 
game genie codesGet a free .com domain name or cash for freeafter you complete several offers by email.No Credit Card or payments of any kind required.(Most of these are simple surveys and takes 20 minutes maxto complete them all)C2A4 DFD4       Infinite energy from most punchesD9AD DDA4       Both fighters gain max energy after making a hitC2AB DFDF       Some special attacks don't hurt as muchC9E3 64DD       Infinite match timeDDB7 0704       No rematchesD1B7 0704       Start with 5 rematchesDBB7 0704       Start with 8 rematchesC2B8 64A5       Infinite rematchesDFAB AFDD       Most opponents stay down for the count49BC 6F6F       Both players start with half energyDFBC 6F6F       Both players start with very little energyCB34 AD07 + F834 AD67 + 3C34 ADA7       Always have K.O. punch after first hitDB8A D4A1 + D48A D7D1 + 3C8A D701       Start on world circuit