UltraTechnology

UltraTechnology has been out of business since 2002. This site documents its history with code, simulations, documentation, videos, essays, and an ongoing blog . UltraTechnology was formed by Jeff Fox in Berkeley, California in 1990 to develop parallel Forth computers. In order to best understand the work done at…

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Levels of code in Forth programming (2002)

2019163 points51 commentscited by 4Software Engineering details

I had been programming in Fortran and assembler for a number of years when I got my first personal computer. It was exciting. On the first generation PC one had to toggle in a paper tape loader from front panel switches, byte by byte, then start the paper tape reader and then one could output to the led on the front…