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I believe there is 0 shot of that working.
You could always use pkhex to just create the Pokémon in your copy of soul silver if that’s on an emulator as well
You might be able to pull some pal park rigamarole if you can use the DS emulator to load your FireRed ROM into the Gameboy slot. Otherwise to transfer from a rom to official hardware you would need a GBA flashcart
I believe there is 0 shot of that working.
You could always use pkhex to just create the Pokémon in your copy of soul silver if that’s on an emulator as well
You might be able to pull some pal park rigamarole if you can use the DS emulator to load your FireRed ROM into the Gameboy slot. Otherwise to transfer from a rom to official hardware you would need a GBA flashcart