No, as of 2014 there is not a listed cheat to get Deoxys in Pokemon Emerald for Visual Boy Advance. The Deoxys does not evolve into any other type of Pokemon.
simple masterball
cheat code to get infinite master balls fire red gameboy advance
you could buy an action replay for the gameboy advance.
you Cuold use the cheat-cheat book! Be careful Don't use emerald the areas are different . But you can use sapphire.
morrubees
no
Mt ember.
in the safri zone or on visual boy advance you can use this cheat code 0101B2D5 91018DD8
Win 10 battles for an easier way to gain the silver sheild
you can't catch a salamence in Pokemon diamond but you can migrate one from a game boy advance game of Pokemon or use an ar and use the catch trainer's Pokemon cheat and find somebody with a salamence then get one
A gameshark is a thing that you can plug in to your GameBoy Advance that allows you to cheat. To activate certain cheats, you just have to input a code.