It is not possible to use an Action Replay code to get max friendship. Instead you should give the Pokémon many Pokeblocks and make sure to never put them in the PC.
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It evolves when friendship is max out.
ok umm no
find a Chancey, and then get it to max friendship and level it up
The max affection is 65535. The max friendship points is 255.belive me that is how Celia is with me!
There is no specific level but it only evolves when you have max friendship and are bonded.