Visual Boy Advance for Mac help PLEASE

Whenever I try to catch a pokemon in in pokemon emerald/fire red/leaf green/ruby it always crashes. As soon as I throw the poke ball. any ideas?
thanks in advance,
Answer #1
Yeh, dont play pokemon . And! i dont think there are any proper game emulations on the mac yet.
Answer #2
It could be the ROM? Try another one.
Answer #3
I have tried other roma but none seem to work. Thanks though. I guess I’ll just have to stop playing it