How do you work game shark codes on Pokemon fire red?

First, you have to press "B" on "ADD NEW CHEAT". Then, you'll have to name the cheat. Name it what you want. Go on google or any other reference site and look for codes. Type the codes onto your GameShark and there. Enable it and play... P.S. The best site to find codes is http://www.gameshark.com/

First, you have to press "B" on "ADD NEW CHEAT". Then, you'll have to name the cheat. Name it what you want. Go on google or any other reference site and look for codes. Type the codes onto your GameShark and there. Enable it and play... P.S. The best site to find codes is http://www.gameshark.com/