If your patch is for a headered ROM, you’ll need to have (or add) a header for the patch to work. It’s just an artifact of the way ROM copiers worked and loaded games from floppy disks. bps file, which is the patch file, (once extracted) and then click “open” The original author of the format is unknown. “IPS” allegedly stands for “International Patching System”. IPS is a simple format for binary file patches, popular in the ROM hacking community. Next, in order to play the Rom, you will need a GBA emulator. First you must obtain a GBA Pokemon Rom Hack. Before you even play ROMS on your 3DS, you need to either have a flashcart or a modded/hacked 3DS. However it might depend on the type of ROMS you are using.
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