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collapseos/blk/397
2020-08-30 16:53:27 -04:00

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( Now we have "as late as possible" stuff. See bootstrap doc. )
: _bchk DUP 0x7f + 0xff > IF LIT< br-ovfl (print) ABORT THEN ;
: DO 0x33 ( 2>R ) , H@ ; IMMEDIATE
: LOOP 0x43 ( loop ) , H@ - _bchk C, ; IMMEDIATE
( LEAVE is implemented in low xcomp )
: LITN 0x23 ( n ) , , ;
( gets its name at the very end. can't comment afterwards )
: _ BEGIN LIT< ) WORD S= UNTIL ; IMMEDIATE
: _ ( : will get its name almost at the very end )
(entry) 1 ( compiled ) C,
BEGIN
WORD FIND
IF ( is word ) DUP IMMED? IF EXECUTE ELSE , THEN
ELSE ( maybe number ) (parse) LITN THEN
AGAIN ;