I don't know the codes but go to Google and type what you want on what game and it should tell you.
no such thing
no there is not any master code in fire red
buy them at walmart
cheater
No. Poke'mon Master
poiu456uy789
Only one
use a master ball on it
No you can only get one
Have a friend trade you a Pokemon holding the master ball they received.
there is no master code its only a 1/150 chance that you will see a shiny Pokemon
By using a gameshark in your emulator.r