Hey Uncommon, how's it going? I was wondering if you ever figured this out, how to change the Pokemon menu HM checks
https://www.pokecommunity.com/showpost.php?p=8845305&postcount=7
I found the routine in Knizz's IDB and was looking into basic asm so I can rewrite it, hopefully
But still, was wondering if you ever found a solution, haha
Have a nice day!