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Along similar lines, i once watched this guy on YouTube implement a Python-based Forth _compiler_ (not interpreter) and optimize the crap out of it. It was a great video, if anyone’s interested it was called “Porth” and i think his GitHub page has a link to the video.

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Found the video you referenced.

https://www.youtube.com/watch?v=8QP2fDBIxjM&list=PLpM-Dvs8t0...

I met the creator Charles Moore a few times. When I lived in the bay area and used to go to the svfig (silicon valley forth interest group) meeting. He would often talk about forth was like solving a puzzle, likened it to sudoku. It is a good exercise for the brain and I highly recommend it.

https://www.forth.com/starting-forth/

Back in the eighties I went to a presentation by Moore on VLSI design featuring a GUI design tool he wrote in Forth. The physical user interface was via contacts taped to his fingers and thumb, he would touch them together to navigate the UI. We were very impressed.

I still have a tshirt that reads “Be Moore Like Chuck”…

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