get the first master ball from aqua's hideout outside of lilycove.. and then use the "cloning" glitch available in any emerald version :)
You can NOT get 99 Master Balls unless you have a gameshark.
cheat codes or gameshark
That depends on the Pokemon game.
You can get 99 master balls with no chat on Pokemon gold by beating the elite four 100 times then go in victory road pro oak will battle you then you fly to pewter city and there is a poke ball in front of you click it and you will get 99 master balls
Not that I am aware of! You can however use cheats to give you up to 99 master balls!
you have two clone Pokemon 99 times
You can't unless you trade them 99 times over, or if you hack the game.
unfortunately you can't get 99 or even just 2 master balls but you can get 1st at silph co in saphron city.
this is the code for unlimited master balls in pokemon flora sky F9AS0SL90D description master balls cheat, then upon activating it go to the market there you will see master ball for only 1.00
there is a game shark cheat THAT WORKS for Pokemon ruby there is no codes. it's for having all the poke balls,so then you will have 99 master balls and then give one to a Pokemon and trade it. once you have traded it, take the master ball from it and repeat this process.
here is the code for 99 masterballs in pc slot 1 - Master code: D8BAE4D9 4864DCE5 A86CDBA5 19BA49B3 Replaces item in PC slot 1 with Master Ball x 99 D935946C D758DF54
8202583c 0001 8202583e 0063