Earlier quoted context omitted.
Thanks for finding the bug - I haven’t caught this one! It crashes because it wasn’t checking the column id, that’s an array of piles in game_state, the piles themselves are linked lists. Linking without tinfo shouldn’t be a problem
Still playing it and do a pull request even, plus a further plan to upgrade yous. But the pull request has a minor bug which I fix. Life in a day of programmer I supposed.
Just stop to have more idea ... like multi user ... AI study etc. and touching for awhile. A new branch is developed as a base for my future self to work with. Need to do more serious work for my lovely fallen place. In the mean time, I guess I understand why again those hacker in the 70s doing text game (and also one on cathode tube) using the Internet then. It is all addictive. Have to stop :-)