[gforth] / gforth / code.fs  

gforth: gforth/code.fs

Diff for /gforth/code.fs between version 1.1 and 1.5

version 1.1, Sat Oct 7 17:42:14 1995 UTC version 1.5, Wed Aug 21 14:58:37 1996 UTC
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 \ ASSEMBLER, CODE etc.  \ ASSEMBLER, CODE etc.
   
   \ Copyright (C) 1995 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.
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     \ 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-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 @  
     IF  
         ;-hook postpone (;code) ?struc postpone [          ;-hook postpone (;code) ?struc postpone [
     ELSE      defstart init-asm ;
   :noname ( -- colon-sys )
         align here lastxt code-address!          align here lastxt code-address!
     THEN      defstart init-asm ;
     defstart init-asm ; immediate  interpret/compile: ;code
   
 : end-code ( colon-sys -- )     \ gforth        end_code  : end-code ( colon-sys -- )     \ gforth        end_code
     ( end a code definition )      ( end a code definition )

Generate output suitable for use with a patch program
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  Added in v.1.5
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