After I watched your video I installed medley and played around a bit. It’s mind blowing.
Viewing post in InterLisp Fifteen Puzzle jam comments
Hopefully you were able to load the memory file and try the fifteen game. :D
Yeah, it's a pretty interesting system! It has some "choices" for sure like making infix calculations work. (5 + 6) is a valid expression.
(* foo) is a comment, TIMES is the multiply command etc. Plenty of quirks I came across.