These are for the Action Replay
This one is for Diamond
Code:
Master Ball x999
94000130 fcff0000
b21c4d28 00000000
b0000004 00000000
00000f4c 03e70001
d2000000 00000000
This one is for Pearl
Code:
Master Balls x999 (Press L+R)
94000130 fcff0000
b21c4d28 00000000
b0000004 00000000
00000f4c 03e70001
d2000000 00000000
After you press L and R they will appear in the first slot of your Pokeball Bag