For context, from the same author, all about Forth: https://news.ycombinator.com/item?id=45639250

And the final implementation: https://ratfactor.com/repos/nasmjf/

Here's the Programming from the Ground Up book the author references at the end of the post: https://programminggroundup.blogspot.com/2007/01/programming... https://download.savannah.gnu.org/releases/pgubook/

And the source for asmtutor, which appears to be down: https://github.com/DGivney/assemblytutorials

I'm very interested in this rabbithole, see the similar origin story for uxn: https://100r.co/site/weathering_software_winter.html