Annotation of gforth/kernel/saccept.fs, revision 1.11
1.1 anton 1: \ a very simple accept approach
2:
1.8 anton 3: \ Copyright (C) 1995,1996,1997,1998,1999,2000,2003 Free Software Foundation, Inc.
1.1 anton 4:
5: \ This file is part of Gforth.
6:
7: \ Gforth is free software; you can redistribute it and/or
8: \ modify it under the terms of the GNU General Public License
9: \ as published by the Free Software Foundation; either version 2
10: \ of the License, or (at your option) any later version.
11:
12: \ This program is distributed in the hope that it will be useful,
13: \ but WITHOUT ANY WARRANTY; without even the implied warranty of
14: \ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15: \ GNU General Public License for more details.
16:
17: \ You should have received a copy of the GNU General Public License
18: \ along with this program; if not, write to the Free Software
1.6 anton 19: \ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA.
1.1 anton 20:
1.4 jwilke 21: require ./io.fs
22:
1.10 pazsan 23: \ : xon $11 emit ;
24: \ : xoff $13 emit ;
25:
1.2 pazsan 26: : accept ( adr len -- len )
1.10 pazsan 27: ( xon ) over + over ( start end pnt )
1.1 anton 28: BEGIN
1.2 pazsan 29: key dup #del = IF drop #bs THEN
1.1 anton 30: dup bl u<
1.10 pazsan 31: IF dup #cr = over #lf = or IF space drop nip swap - ( xoff ) EXIT THEN
1.11 ! pazsan 32: #bs = IF 3 pick over <> over 0> and
1.2 pazsan 33: IF 1 chars - #bs emit bl emit #bs emit ELSE bell THEN THEN
34: ELSE >r 2dup <> IF r> dup emit over c! char+ ELSE r> drop bell THEN
1.1 anton 35: THEN
36: AGAIN ;
37:
FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>