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- Glossary
-
- Stack notation: "<stack before> -- <stack after>". Rightmost is
- top of stack (TOS). For example, in "a b -- c d", b is TOS
- before, d is TOS after. "R:" means that the Return Stack is
- modified. "I:" prefix means "IMMEDIATE", that is, that this
- stack transformation is made at compile time.
-
- Word references (wordref): When we say we have a "word
- reference", it's a pointer to a word's *code link*. For
- example, the address that "' DUP" is a wordref, that is, a
- reference to the code link of the word DUP.
-
- PF: Parameter field. The area following the code link of a
- word. For example, "' H@ 1+" points to the PF of the word H@.
- (cont.)
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