Diff for /gforth/code.fs between versions 1.1 and 1.10

version 1.1, 1995/10/07 17:42:14 version 1.10, 2000/09/23 15:05:58
Line 1 Line 1
 \ ASSEMBLER, CODE etc.  \ ASSEMBLER, CODE etc.
   
   \ Copyright (C) 1995,1996,1997,1999 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.
   
 \ does not include the actual assembler (which is machine-dependent),  \ does not include the actual assembler (which is machine-dependent),
 \ only words like CODE that are implementation-dependent, but can be  \ only words like CODE that are implementation-dependent, but can be
 \ defined for all machines.  \ defined for all machines.
   
 vocabulary assembler ( -- ) \ tools-ext  vocabulary assembler ( -- ) \ tools-ext
   
 : init-asm ( -- )  : init-asm ( -- ) \ gforth
     also assembler ;      also assembler ;
   
 : code ( -- colon-sys ) \ tools-ext  : code ( "name" -- colon-sys )  \ tools-ext
     \ start a native code definition      \ start a native code definition
     header here >body cfa, defstart init-asm ;      header
       threading-method
       if
           here >body cfa,
       then
       defstart init-asm ;
   
 : (;code) ( -- ) \ gforth  : (;code) ( -- ) \ gforth
     \ execution semantics of @code{;code}      \ execution semantics of @code{;code}
     r> lastxt code-address! ;      r> lastxt code-address! ;
   
 : ;code ( colon-sys1 -- colon-sys2 )    \ tools-ext     semicolon-code  :noname ( -- colon-sys )
       align here lastxt code-address!
       defstart init-asm ;
   :noname ( colon-sys1 -- colon-sys2 )    \ tools-ext     semicolon-code
     ( create the [;code] part of a low level defining word )      ( create the [;code] part of a low level defining word )
     state @      ;-hook postpone (;code) ?struc postpone [
     IF      defstart init-asm ;
         ;-hook postpone (;code) ?struc postpone [  interpret/compile: ;code ( compilation. colon-sys1 -- colon-sys2 )      \ tools-ext     semicolon-code
     ELSE  
         align here lastxt code-address!  
     THEN  
     defstart init-asm ; immediate  
   
 : end-code ( colon-sys -- )     \ gforth        end_code  : end-code ( colon-sys -- )     \ gforth        end_code
     ( end a code definition )      ( end a code definition )
     lastxt here over - flush-icache      lastxt here over - flush-icache
     previous ?struc reveal ;      previous ?struc reveal ;
   

Removed from v.1.1  
changed lines
  Added in v.1.10


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