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Add word LEAVE

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This commit is contained in:
Virgil Dupras 2020-04-17 11:27:17 -04:00
parent 19d94dfb47
commit 66f65daa08
2 changed files with 3 additions and 1 deletions
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2
blk/043
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@ -11,6 +11,6 @@ ABORT" x" -- *I* Compiles a ." followed by a ABORT.
EXECUTE a -- Execute wordref at addr a EXECUTE a -- Execute wordref at addr a
INTERPRET -- Get a line from stdin, compile it in tmp memory, INTERPRET -- Get a line from stdin, compile it in tmp memory,
then execute the compiled contents. then execute the compiled contents.
LEAVE -- In a DO..LOOP, exit at the next LOOP call.
QUIT -- Return to interpreter prompt immediately QUIT -- Return to interpreter prompt immediately
EXIT! -- Exit current INTERPRET loop. EXIT! -- Exit current INTERPRET loop.

2
forth/core.fs
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@ -133,6 +133,8 @@
COMPILE R> COMPILE DROP COMPILE R> COMPILE DROP COMPILE R> COMPILE DROP COMPILE R> COMPILE DROP
; IMMEDIATE ; IMMEDIATE
: LEAVE R> R> DROP I 1- >R >R ;
( a1 a2 u -- ) ( a1 a2 u -- )
: MOVE : MOVE
( u ) 0 DO ( u ) 0 DO