gforth/kernel/saccept.fs - diff

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version 1.1, 1997/05/21 20:40:17	version 1.10, 2006/03/25 11:43:51
Line 1	Line 1
\ a very simple accept approach	\ a very simple accept approach

\ Copyright (C) 1995-1997 Free Software Foundation, Inc.	\ Copyright (C) 1995,1996,1997,1998,1999,2000,2003 Free Software Foundation, Inc.

\ This file is part of Gforth.	\ This file is part of Gforth.

Line 16	Line 16

\ You should have received a copy of the GNU General Public License	\ You should have received a copy of the GNU General Public License
\ 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., 59 Temple Place, Suite 330, Boston, MA 02111, USA.

: accept	require ./io.fs
over + over ( start end pnt )
	\ : xon $11 emit ;
	\ : xoff $13 emit ;

	: accept ( adr len -- len )
	( 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
THEN	THEN
AGAIN ;	AGAIN ;