October 2024
Intermediate to advanced
272 pages
6h 54m
English
Content preview from Seven Obscure Languages in Seven WeeksBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Learning Predefined Forth Words
The Forth programming language makes every attempt to pretend that it’s a human language. It has words; the words are stored in a dictionary; to “speak” Forth fluently, you must learn the dictionary words and understand their meaning. As a Forth programmer, you are only as good as your combined knowledge of the dictionary.
All Forth words fall into several groups based on their level of standardization and purpose.
Word Types
The most popular Forth standards are FORTH-79 (superseded by FORTH-83) and fig-Forth (1978, replaced by ANS Forth in 1994). Gforth, used in this book, is a free implementation of the latter. Depending on adherence to a standard (for example, FORTH-79), words belong to required, extension, ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.