File:  [gforth] / gforth / vt100.fs
Revision 1.8: download - view: text, annotated - select for diffs
Sun Mar 9 15:16:57 2003 UTC (16 years, 7 months ago) by anton
Branches: MAIN
CVS tags: v0-6-1, v0-6-0, HEAD
updated copyright years

    1: \ VT100.STR     VT100 excape sequences                  20may93jaw
    2: 
    3: \ Copyright (C) 1995,1999,2000 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 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., 59 Temple Place, Suite 330, Boston, MA 02111, USA.
   20: 
   21: decimal
   22: 
   23: : pn    base @ swap decimal 0 u.r base ! ;
   24: : ;pn   [char] ; emit pn ;
   25: : ESC[  27 emit [char] [ emit ;
   26: 
   27: : at-xy ( u1 u2 -- ) \ facility at-x-y
   28:   \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:   1+ swap 1+ swap ESC[ pn ;pn [char] H emit ;
   32: 
   33: : page ( -- ) \ facility
   34:   \G Clear the display and set the cursor to the top left-hand
   35:   \G corner.
   36:   ESC[ ." 2J" 0 0 at-xy ;
   37: 

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