A Typed Forth

Now that we have a functioning Forth interpreter on the Sega SG-1000, it’s time to actually finish hooking up the keyboard input. Because I considered this task to be a little mind-numbing, I’ve put it off for years. How long do you think it took me to figure out? About an hour. One day, I’ll learn. The story thus far A few years ago, I was playing around with the Sega version of BASIC for the Sega SG-1000 game console. It was sort of the celebratory lap after adding keyboard support to the Soggy-1000, my low-cost open-source clone of the SG-1000. That experience left a lot to be desired. Between the limited keywords, difficulty in extending the interpreter, and the poor runtime performance, I thought it would be possible to get a different language working on the machine. Forth is a super-popular language for low-level programming, as it offers just enough abstraction to keep you sane. Most implementations also offer an interactive “interpreter,” so you also get the immediacy of a…