it doesnt matter if its Yellow, Red or Blue, everything its allright ,you go to the first city...
and you want to heal happily your new pokemon...
But here the problem starts...
YOU CAN'T EVEN HEAL YOUR POKEMON?!!
the game just freeze when you tell her to heal ur pokemon
And to finish, i tested it with Visual Boy Advance just to make sure its not a rom problem, and it worked, you CAN heal ur pokemon with vba, so...