1: \ VT100.STR VT100 excape sequences 20may93jaw
2:
3: \ Copyright (C) 1995,1999,2000,2003,2007 Free Software Foundation, Inc.
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 3
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, see http://www.gnu.org/licenses/.
19:
20: decimal
21:
22: : pn base @ swap decimal 0 u.r base ! ;
23: : ;pn [char] ; emit pn ;
24: : ESC[ 27 emit [char] [ emit ;
25:
26: Defer at-xy
27: Defer page
28:
29: : vt100-at-xy ( u1 u2 -- ) \ facility at-x-y
30: \G Position the cursor so that subsequent text output will take
31: \G place at column @var{u1}, row @var{u2} of the display. (column 0,
32: \G row 0 is the top left-hand corner of the display).
33: 1+ swap 1+ swap ESC[ pn ;pn [char] H emit ;
34:
35: : vt100-page ( -- ) \ facility
36: \G Clear the display and set the cursor to the top left-hand
37: \G corner.
38: ESC[ ." 2J" 0 0 at-xy ;
39:
40: ' vt100-at-xy IS at-xy
41: ' vt100-page IS page
FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>