Hex-editing memory locations in The Missing Ring

All of a sudden, it occurred to me that the best thing I could be doing with my life was hex-editing the memory contents of a running Apple ][ RPG, so that's what I decided to do. The Missing Ring is an RPG which was only made for the Apple ][. The game's Wikipedia article notes that "In 1984, Softline readers named the game the eighth-worst Apple program of 1983", which is kind of funny since the…