Ok, i've been trying some stuff on the boxing game, and i found something weird :\
this codes will give you black boxinggloves and when you hit you opponent, you cant move your hands anymore :\
42000000 90000000
05D0A510 00000000
05D0A514 00000000
05D0A518 00000000
E0000000 80008000
This code will give you black boxing gloves and makes the slowmotion even slower :\
42000000 90000000
05D0A510 10000000
05D0A514 10000000
05D0A518 10000000
E0000000 80008000