To play a modified version of a game, you need the base file. In the emulation community, these are referred to as ROMs. You generally need to own a physical copy of the game (like Pokémon Emerald, FireRed, or Platinum) to legally possess the ROM.
: Only the first Pokémon encountered on a route can be caught, and any Pokémon that faints is considered "dead" and cannot be used again. How to Play a Ludlocke Yourself ludlocke download
You need a ROM. Do not use “Squirrels” or “TrashMan” editions. The patch is designed for the standard USA release. Dump your own cartridge if possible. Legally, this guide assumes you own a copy of the game. To play a modified version of a game, you need the base file