Episode 89 - Forth
Advent of Computing
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The Fourth Platform
In forth, a word is roughly equivalent to a function. Each word can be defined by an expression, which in turn may contain other words. A definition starts with a colon followed by the name of the word,. Then its contents form, added as an expression, then a semicolon. In this way, you can define both variables and ctions as words. That's part of what i meant when i said words aren't 100 % the same as functions. It's a bit of an abstraction the nest ability the function. Calling a function is what we need to focus on. Going to the low level, a function works like this. You have some address where your coat is stored
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