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added copyright headers
changes to loadfilename & co. to make savesystem transparent to
 assertions and ~~

    1: \ MS-DOS key interpreter                               17oct94py
    2: 
    3: \ Copyright (C) 1995 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., 675 Mass Ave, Cambridge, MA 02139, USA.
   20: 
   21: Create translate $100 allot
   22: translate $100 erase
   23: 
   24: : trans:  char translate + c! ;
   25: 
   26: : vt100-decode ( max span addr pos1 -- max span addr pos2 flag )
   27:   key '[ = IF    key translate + c@ dup IF  decode  THEN
   28:            ELSE  0  THEN ;
   29: 
   30: ctrl B trans: D
   31: ctrl F trans: C
   32: ctrl P trans: A
   33: ctrl N trans: B
   34: 
   35: ' vt100-decode  ctrlkeys $1B cells + !