How to transfer a Pokémon from cartridge to ROM?

homebrew pokemon-ultra-sun-ultra-moon pokemon-diamond-pearl-platinum

I have a Gible I want to put in Pokémon Platinum. The problem is that the Gible is on a Pokémon Ultra Moon cartridge and I have no clue how to bring a Pokémon from a cartridge to a ROM. I cannot find a video on how to do it, please help.

(I’m using a homebrew 2dsxl with Twilight menu with Pokémon chest and PKSM)


Solution 1:

The actual problem is another one.
Pokemon Ultra Moon is not compatible with Platinum, you can't transfer Pokemon backwards with different generations.

As you can see from this schema, it's unidirectional: enter image description here

(Source)

You may have to generate it on Platinum ROM using cheats.

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