\ VT100.STR VT100 excape sequences 20may93jaw \ Copyright (C) 1995 Free Software Foundation, Inc. \ This file is part of Gforth. \ Gforth is free software; you can redistribute it and/or \ modify it under the terms of the GNU General Public License \ as published by the Free Software Foundation; either version 2 \ of the License, or (at your option) any later version. \ This program is distributed in the hope that it will be useful, \ but WITHOUT ANY WARRANTY; without even the implied warranty of \ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the \ GNU General Public License for more details. \ You should have received a copy of the GNU General Public License \ along with this program; if not, write to the Free Software \ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. decimal : pn base @ swap decimal 0 u.r base ! ; : ;pn [char] ; emit pn ; : ESC[ 27 emit [char] [ emit ; : 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 ; : page ( -- ) \ facility \G Clear the display and set the cursor to the top left-hand \G corner. ESC[ ." 2J" 0 0 at-xy ;