You need a cheating device such as GameShark, Xploder, Action Replay, GameGenie, or something.
-bksonic
yes action replay but you buy it at a store
fire red cheats do not work on Pokemon shiny gold
You cant enter cheats on Pokemon Diamond, the only is on a game shard or by mystery event maybe.
type them in
Most emulators have a cheat code entry option for you to enter cheats. Not all cheats work and not all cheat devices (ie gameshark, action replay) on the emulator will work either. I have heard that visual boy advance is the best emulator for inputing cheats.
easy
You don't xD
you don't
No u can not put cheats in meboy
Nothing
There are no cheats for gameboy, althoughthere are for visualboy.
on action replay or m3dsreal