File:  [gforth] / gforth / vt100.fs
Revision 1.13: download - view: text, annotated - select for diffs
Mon Dec 31 15:25:18 2012 UTC (6 years, 9 months ago) by anton
Branches: MAIN
CVS tags: HEAD
updated copyright year

    1: \ VT100.STR     VT100 excape sequences                  20may93jaw
    2: 
    3: \ Copyright (C) 1995,1999,2000,2003,2007,2012 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>