>>58640774>Sadly RG were made before things like version control were standard practiceVersion Control Software became widespread in the 80s for any major software company that could afford a master server, and with the falling prices of hard drives, it became common within the games industry as late as 1994.
We also know that Nintendo had a hand in the development of Pokemon Red and Blue by providing guidance and funding. Nintendo absolutely loved to acquire copies of their second party titles periodically to check in on the progress. So, even if Gamefreak didn't use VCS, Nintendo would most definitely have backups somewhere which could be used as psuedo-repository.