gforth/kernel/saccept.fs - diff

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version 1.1, 1997/05/21 20:40:17	version 1.2, 1998/05/02 21:29:09
Line 18	Line 18
\ along with this program; if not, write to the Free Software	\ along with this program; if not, write to the Free Software
\ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	\ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

: accept	: accept ( adr len -- len )
over + over ( start end pnt )	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 - 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
THEN	THEN
AGAIN ;	AGAIN ;