retroforth/interfaces/barebones.forth
crc 748cbcfd72 new implementation aiming to minimize the C portion of the code
FossilOrigin-Name: 4709c022b1cd034c0d12c01fe1ebce0185a6d14a53a2768fe9f134a6013d0f79
2018-10-01 14:56:49 +00:00

23 lines
509 B
Forth

~~~
{{
:eol? (c-f)
[ ASCII:CR eq? ] [ ASCII:LF eq? ] [ ASCII:SPACE eq? ] tri or or ;
:valid? (s-sf)
dup s:length n:-zero? ;
:check-bs (c-c)
dup [ #8 eq? ] [ #127 eq? ] bi or [ buffer:get buffer:get drop-pair ] if ;
:c:get (-c) `1001 ;
:s:get (-s) [ #1025 buffer:set
[ c:get dup buffer:add check-bs eol? ] until
buffer:start s:chop ] buffer:preserve ;
:listen (-)
repeat s:get valid? &interpret &drop choose again ;
&listen #1 store
}}
~~~