Diff for /gforth/vt100.fs between versions 1.2 and 1.13

version 1.2, 1995/11/07 18:07:04 version 1.13, 2012/12/31 15:25:18
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 \ VT100.STR     VT100 excape sequences                  20may93jaw  \ VT100.STR     VT100 excape sequences                  20may93jaw
   
 \ Copyright (C) 1995 Free Software Foundation, Inc.  \ Copyright (C) 1995,1999,2000,2003,2007,2012 Free Software Foundation, Inc.
   
 \ This file is part of Gforth.  \ This file is part of Gforth.
   
 \ Gforth is free software; you can redistribute it and/or  \ Gforth is free software; you can redistribute it and/or
 \ modify it under the terms of the GNU General Public License  \ modify it under the terms of the GNU General Public License
 \ as published by the Free Software Foundation; either version 2  \ as published by the Free Software Foundation, either version 3
 \ of the License, or (at your option) any later version.  \ of the License, or (at your option) any later version.
   
 \ This program is distributed in the hope that it will be useful,  \ This program is distributed in the hope that it will be useful,
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 \ GNU General Public License for more details.  \ GNU General Public License for more details.
   
 \ You should have received a copy of the GNU General Public License  \ You should have received a copy of the GNU General Public License
 \ along with this program; if not, write to the Free Software  \ along with this program. If not, see http://www.gnu.org/licenses/.
 \ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  
   
 decimal  decimal
   
 : pn    base @ swap decimal 0 u.r base ! ;  : pn    base @ swap decimal 0 u.r base ! ;
 : ;pn   [char] ; emit pn ;  : ;pn   [char] ; emit pn ;
 : ESC[  27 emit [char] [ emit ;  : ESC[  27 emit [char] [ emit ;
 : at-xy 1+ swap 1+ swap ESC[ pn ;pn [char] H emit ;  
 : page  ESC[ ." 2J" 0 0 at-xy ;  
   
   Defer at-xy
   Defer page
   
   : vt100-at-xy ( u1 u2 -- ) \ facility at-x-y
     \G Position the cursor so that subsequent text output will take
     \G place at column @var{u1}, row @var{u2} of the display. (column 0,
     \G row 0 is the top left-hand corner of the display).
     1+ swap 1+ swap ESC[ pn ;pn [char] H emit ;
   
   : vt100-page ( -- ) \ facility
     \G Clear the display and set the cursor to the top left-hand
     \G corner.
     ESC[ ." 2J" 0 0 at-xy ;
   
   ' vt100-at-xy IS at-xy
   ' vt100-page IS page
   

Removed from v.1.2  
changed lines
  Added in v.1.13


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