Mine first big project was also a hex editor I called Super Zap. I think Zap was already an existing hex editor. It's main use was hex editing disk sectors on t

Mine first big project was also a hex editor I called Super Zap. I think Zap was already an existing hex editor. It's main use was hex editing disk sectors on the Apple II. After I finished it, I used it all the time. I still have the source code and executables!