No$gba cheats ... need help!

[gizmo88]

Im playing pokemon emerald and ive been on sites giving me many codes to give me cheats.

The emulator says it has gameshark, codebreakers and action replay but i dont think im putting cheats in correctly .. can somebody plz show me how it is to be done thankz u!

[Alexander_13]

select the code if it's gameshark or codebreker it's says check gamefaqs.com