We use CRC32 as this is designed to test integrity, not to prevent malicious checksum conflicts. The same patch can both patch and unpatch a game.
simple file format, easy for anyone to implement.UPS format also has several other advantages over IPS format such as: UPS patches allow you to expand the ROM without having to do use the dual patches method like StealthPatch, making it more efficient and easier to understand. Most contemporary GBAFE hacks use this patch format. UPS FormatĪs mentioned before UPS is a better format for patching files. UPS is a better form of patching and this tutorial fully endorses using the UPS format over IPS format. Now before we begin I would like to inform you that there are two types of patch files dominantly used in GBA hacking.
