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Annotation of gforth/vt100key.fs, revision 1.12

1.4       pazsan      1: \ vt100 key interpreter                                17oct94py
1.1       pazsan      2: 
1.11      anton       3: \ Copyright (C) 1995,1996,1998,2000,2003 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
                      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
1.8       anton      19: \ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA.
1.2       anton      20: 
1.1       pazsan     21: Create translate $100 allot
                     22: translate $100 erase
1.3       pazsan     23: Create transcode $100 allot
                     24: transcode $100 erase
1.1       pazsan     25: 
1.3       pazsan     26: : trans: ( char 'index' -- ) char translate + c! ;
                     27: : tcode  ( char index -- ) transcode + c! ;
1.1       pazsan     28: 
                     29: : vt100-decode ( max span addr pos1 -- max span addr pos2 flag )
1.3       pazsan     30:     key '[ = IF  0  base @ >r  &10 base !
                     31:        BEGIN  key dup digit?  WHILE  nip swap &10 * +  REPEAT
                     32:        r> base !
                     33:        dup '~ =  IF  drop transcode  ELSE  nip translate  THEN
                     34:        + c@ dup  IF  decode  THEN
                     35:     ELSE  0  THEN ;
1.1       pazsan     36: 
                     37: ctrl B trans: D
                     38: ctrl F trans: C
                     39: ctrl P trans: A
                     40: ctrl N trans: B
1.12    ! pazsan     41: ctrl A trans: H
        !            42: ctrl E trans: F
1.3       pazsan     43: 
                     44: ctrl A 1 tcode
1.6       pazsan     45: ctrl X 3 tcode
1.3       pazsan     46: ctrl E 4 tcode
1.1       pazsan     47: 
                     48: ' vt100-decode  ctrlkeys $1B cells + !