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fix comments of bootstrap.fs

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This commit is contained in:
Koichi Nakamura 2021-01-02 13:14:16 +09:00
parent 334ae9f0a9
commit 734f897a59
1 changed files with 4 additions and 6 deletions
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10
bootstrap.fs
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@ -18,8 +18,8 @@ l!
\ planckforth -
\ Copyright (C) 2020 nineties
\ This project aims to create a Forth interpreter
\ by bootstrapping from hand-written tiny ELF binary.
\ This project aims to bootstrap a Forth interpreter
\ from hand-written tiny ELF binary.
\ In the 1st stage, only single character words are registered
\ in the dictionary.
@ -55,11 +55,9 @@ l!
\ '|' ( a b -- c ) c = (a | b)
\ '^' ( a b -- c ) c = (a ^ b)
\ '<' ( a b -- c ) c = (a < b)
\ '=' ( a b -- c ) c = (a == b
\ '=' ( a b -- c ) c = (a == b)
\ The 1st stage interpreter repeats execution of k, f and x.
\ There is no concept such as IMMEDIATE mode yet.
\ There following line is an example program of planckforth
\ which prints "Hello World!\n"
\ --
@ -68,7 +66,7 @@ l!
\ This code repeats that 'k' reads a character and 't' prints it.
\ Note that ':' (58) minus '0' (48) is '\n' (10).
\ The structure of the dictionary is sames as many Forth implementation.
\ The structure of the dictionary.
\ +------+----------+---------+------------+---------------+
\ | link | len+flag | name... | padding... | code field ...|
\ +------+----------+---------+------------+---------------+