gforth: gforth/vt100.fs

1 :	pazsan	1.1	\ VT100.STR VT100 excape sequences 20may93jaw
2 :
3 :	anton	1.6	\ Copyright (C) 1995,1999 Free Software Foundation, Inc.
4 :	anton	1.2
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
19 :			\ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 :
21 :	pazsan	1.1	decimal
22 :
23 :			: pn base @ swap decimal 0 u.r base ! ;
24 :			: ;pn [char] ; emit pn ;
25 :			: ESC[ 27 emit [char] [ emit ;
26 :	crook	1.3
27 :			: at-xy ( u1 u2 -- ) \ facility at-x-y
28 :	crook	1.4	\G Position the cursor so that subsequent text output will take
29 :			\G place at column @var{u1}, row @var{u2} of the display. (column 0,
30 :			\G row 0 is the top left-hand corner of the display).
31 :	crook	1.3	1+ swap 1+ swap ESC[ pn ;pn [char] H emit ;
32 :
33 :	crook	1.5	: page ( -- ) \ facility
34 :	crook	1.3	\G Clear the display and set the cursor to the top left-hand
35 :			\G corner.
36 :			ESC[ ." 2J" 0 0 at-xy ;
37 :	pazsan	1.1