Annotation of gforth/vt100.fs, revision 1.11

1.1       pazsan      1: \ VT100.STR     VT100 excape sequences                  20may93jaw
                      2: 
1.11    ! anton       3: \ Copyright (C) 1995,1999,2000,2003,2007 Free Software Foundation, Inc.
1.2       anton       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
1.10      anton       9: \ as published by the Free Software Foundation, either version 3
1.2       anton      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
1.10      anton      18: \ along with this program. If not, see http://www.gnu.org/licenses/.
1.2       anton      19: 
1.1       pazsan     20: decimal
                     21: 
                     22: : pn    base @ swap decimal 0 u.r base ! ;
                     23: : ;pn   [char] ; emit pn ;
                     24: : ESC[  27 emit [char] [ emit ;
1.3       crook      25: 
                     26: : at-xy ( u1 u2 -- ) \ facility at-x-y
1.4       crook      27:   \G Position the cursor so that subsequent text output will take
                     28:   \G place at column @var{u1}, row @var{u2} of the display. (column 0,
                     29:   \G row 0 is the top left-hand corner of the display).
1.3       crook      30:   1+ swap 1+ swap ESC[ pn ;pn [char] H emit ;
                     31: 
1.5       crook      32: : page ( -- ) \ facility
1.3       crook      33:   \G Clear the display and set the cursor to the top left-hand
                     34:   \G corner.
                     35:   ESC[ ." 2J" 0 0 at-xy ;
1.1       pazsan     36: 

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