gforth/kernel/saccept.fs - diff

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version 1.9, 2006/02/25 18:28:12	version 1.10, 2006/03/25 11:43:51
Line 20	Line 20

require ./io.fs	require ./io.fs

	\ : xon $11 emit ;
	\ : xoff $13 emit ;

: accept ( adr len -- len )	: accept ( adr len -- len )
over + over ( start end pnt )	( xon ) over + over ( start end pnt )
BEGIN	BEGIN
key dup #del = IF drop #bs THEN	key dup #del = IF drop #bs THEN
dup bl u<	dup bl u<
IF dup #cr = over #lf = or IF space drop nip swap - EXIT THEN	IF dup #cr = over #lf = or IF space drop nip swap - ( xoff ) EXIT THEN
#bs = IF 3 pick over <>	#bs = IF 3 pick over <>
IF 1 chars - #bs emit bl emit #bs emit ELSE bell THEN THEN	IF 1 chars - #bs emit bl emit #bs emit ELSE bell THEN THEN
ELSE >r 2dup <> IF r> dup emit over c! char+ ELSE r> drop bell THEN	ELSE >r 2dup <> IF r> dup emit over c! char+ ELSE r> drop bell THEN