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collapseos/blk/399
Virgil Dupras adea75e50a Add alias and switch word types
I'm pretty happy about how lightweight the implementation turns
out to be.
2020-10-28 15:02:06 -04:00

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: IF ( -- a | a: br cell addr )
COMPILE (?br) H@ 1 ALLOT ( br cell allot )
; IMMEDIATE
: THEN ( a -- | a: br cell addr )
DUP H@ -^ _bchk SWAP ( a-H a ) C!
; IMMEDIATE
: ELSE ( a1 -- a2 | a1: IF cell a2: ELSE cell )
COMPILE (br)
1 ALLOT
[COMPILE] THEN
H@ 1- ( push a. 1- for allot offset )
; IMMEDIATE
: LIT"
COMPILE (s) H@ 0 C, ,"
DUP H@ -^ 1- ( a len ) SWAP C!
; IMMEDIATE