You must have an action replay for these codes to work. Here are the codes :
M(must always be on)
D8BAE4D9 4864DCE5
A86CDBA5 19BA49B3
(DMA Disable)(MUST BE ON ALONG WITH THE MASTER CODE)
06122196 8FE98260
65DA389A 09D8882C
Warp codes
Faraway Island (Mew) 82CBD483 7B9D8E0B
Birth Island (Deoxys) E5AC0043 E1C4C8F0
Use the (M)and the DMA and one of the warp codes...
1.Turn them on.
2.Go in or out a door.
3.You'll warp.
4.Turn the switch on the action replay off
5.Find the pokemon you r'e looking for mew or deoxys.
6.Take a ship home.
7.save.
The best part is that mew and deoxys obey you.