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Annotation of gforth/tools.fs, revision 1.4

1.1       anton       1: \ TOOLS.FS     Toolkit extentions                      2may93jaw
                      2: 
1.4     ! anton       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: 
1.1       anton      21: \ May be cross-compiled
                     22: 
                     23: hex
                     24: 
                     25: \ .S            CORE / CORE EXT                         9may93jaw
                     26: 
1.2       anton      27: variable maxdepth-.s
                     28: 9 maxdepth-.s !
                     29: 
1.1       anton      30: : .s ( -- )
1.2       anton      31:     ." <" depth 0 .r ." > "
                     32:     depth 0 max maxdepth-.s @ min
                     33:     dup 0
                     34:     ?do
                     35:        dup i - pick .
                     36:     loop
                     37:     drop ;
1.1       anton      38: 
                     39: \ DUMP                       2may93jaw - 9may93jaw    06jul93py
                     40: \ looks very nice, I know
                     41: 
1.3       pazsan     42: Variable /dump
                     43: 
1.1       anton      44: : .4 ( addr -- addr' )
1.3       pazsan     45:     3 FOR  -1 /dump +!  /dump @ 0<
                     46:         IF  ."    "  ELSE  dup c@ 0 <# # # #> type space  THEN
                     47:     char+ NEXT ;
1.1       anton      48: : .chars ( addr -- )
1.3       pazsan     49:     /dump @ bounds
                     50:     ?DO I c@ dup 7f bl within
                     51:        IF  drop [char] .  THEN  emit
                     52:     LOOP ;
1.1       anton      53: 
                     54: : .line ( addr -- )
1.3       pazsan     55:   dup .4 space .4 ." - " .4 space .4 drop  10 /dump +!  space .chars ;
1.1       anton      56: 
                     57: : dump  ( addr u -- )
1.3       pazsan     58:     cr base @ >r hex        \ save base on return stack
                     59:     0 ?DO  I' I - 10 min /dump !
                     60:        dup 8 u.r ." : " dup .line cr  10 +
                     61:        10 +LOOP
                     62:     drop r> base ! ;
1.1       anton      63: 
                     64: \ ?                                                     17may93jaw
                     65: 
                     66: : ? @ . ;
                     67: 
                     68: \ INCLUDE see.fs
                     69: