You will need the XML file:
http://cheats.gbatemp.net/files/12_08_09_CHEATS.XML.zip
If your looking at the XML file through a text editor
CODEÂÂÂÂÂÂÂÂ
ÂÂÂÂÂÂÂÂÂÂÂÂPokemon Migration Codes
ÂÂÂÂÂÂÂÂÂÂÂÂ1
ÂÂÂÂÂÂÂÂÂÂÂÂ
ÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂPokemon Diamond US gameid:ADAE 636791C0
ÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂEZ 3in1 Migration+Dongle method enable
ÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂ94000136 00000000 020DC50C E3A000C2 020DC500 E3A00009 E20DC5A8 00000020 E1A00000 E3500000 03A01010 13A01020 E3A02527 E1C210B0 E12FFF1E E1A00000 DA000000 04000204 D7000000 00000000 D3000000 00000000 14000204 00006800 19FE0000 0000D200 18000000 00001500 18020000 0000D200 18040000 00001500 DA000000 00000000 D7000000 04000204
ÂÂÂÂÂÂÂÂÂÂÂÂ
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ÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂEZ 3in1 Dongle method only enable
ÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂ020DC50C E3A000C2 020DC500 E3A00009
ÂÂÂÂÂÂÂÂÂÂÂÂ
ÂÂÂÂÂÂÂÂÂÂÂÂ
ÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂPokemon Platinum US gameid:CPUE D074D1B3
ÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂEZ 3in1 Migration+Dongle method enable
ÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂ94000136 00000000 020D1564 E3A000C2 020D1558 E3A00009 E20D14B8 00000020 E1A00000 E3500000 03A01010 13A01020 E3A02527 E1C210B0 E12FFF1E E1A00000 DA000000 04000204 D7000000 00000000 D3000000 00000000 14000204 00006800 19FE0000 0000D200 18000000 00001500 18020000 0000D200 18040000 00001500 DA000000 00000000 D7000000 04000204
ÂÂÂÂÂÂÂÂÂÂÂÂ
ÂÂÂÂÂÂÂÂÂÂÂÂ
ÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂEZ 3in1 Dongle method only enable
ÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂ020D1564 E3A000C2 020D1558 E3A00009
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After looking at the migration codes, the address will be different with the Daigasso game. You should be using the cheat editor to work on these.
You want to look here for any help on the cheat editor:
http://gbatemp.net/index.php?showtopic=95774
You should be asking there to find the correct offsets and codes to put in. You might only need to modify the "EZ 3in1 Dongle method only enable" codes to get it working.
Otherwise you should be reading the howto guide on making cheats here:
http://gbatemp.net/index.php?showtopic=116242