The only way to do this is to download or buy a new clean copy of rom. Then play it all over again. By doing this you can prevent rom from being corrupted.
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Visual Boy Advance?
The great thing about the visual boy advance is that it creates a save file which contains all of your progress. I believe that your version of Pokemon Emerald is damaged or is missing parts of the code, I think that if you were to download another version of the game from http://www.coolrom.com/ and put the save file and the downloaded game into the same folder and open it. Hope that saves your problem.
No advance text Pokémon does not run on Mac. Visual Boy advance and Mac Boy advance are good emulators for Mac.
try coolrom.com thats your best bet
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.
Pokemon Emerald is unsupported for Visual Boy Advance Link. Have you managed to trade? I am guessing not as you are asking for cheats. Try www.neoseeker.com and check out my Pokemon Emulation Guide. http://pokeemu.blogspot.com/
Download visual boy advance, then Google game boy advance roms, and find the one for Pokemon emerald. search up VBA thts visual boy advance download then find a win.rar file for emerald and u must be able to have the program for this to work
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No... But you can get it on PC, by using a GBA Emulator (eg. Visual Boy Advance).
L+A+Select L+A+Select
First download Visual Boy Advance for mac,( it will let you play the game) then type in Pokemon Emerald Rom in google, and download it from coolrom.com
they are cheats that you type in to the game on visual boy advance for Pokemon on computer that help you to complete the game.
Visual Boy Advance- go to romhustler.net for the ROM
at Pokemondb.net you can find stats on all Pokemon.
1]open visual boy advance and open Pokemon emerald 2]go up to cheats and press to cheat list then press gameshark... 3]and put the gameshark code you want.
You can't play Pokemon Platinum on visual boy advance. It's a Nintendo DS game and visual boy advance can only play gameboy games.