This is a simple post from the Legendary Pokémon in Pokémon Platinum.
I have created the code only for these two versions:
Platinum Version (USA/Europe)
Kanto
L+Left: Articuno, L+Right: Zapdos, L+Up: Moltres, R+Down: Mewtwo & R+Up: Mew.
94000130 FEBF0000
1207404C 00002406
12073F50 0000201F
12073F66 0000201F
12073F7C 0000201F
12073F92 0000201F
12073FA8 0000201F
12073FBE 0000201F
D5000000 00000097
B2101D40 00000000
C0000000 0000000B
100233E8 00001E1E
D7000000 000233EC
DC000000