This Joker Command works on all GBA Games.

Raw: 04000130 00000???

Off: 3FF
Select: 3FB
Start 3F7
Up: 3BF
Down: 37F
Left: 3DF
Right: 3EF
L: 1FF
R: 2FF



Action Replay v3.X
0A400130 00000???


Xploder/Codebreaker
74000130 0???

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Codemasters-Project Team

p.S.
there are also other Universal address that will work

74000130
74000530
74000930
74000D30
74001130
74001530
74001930
74001D30
74002130
74002530
74002930
74002D30

this goes on FOREVER Just keep adding 400, and you will get a working Universal Joker Address.