\ 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),
\ only words like CODE that are implementation-dependent, but can be
\ defined for all machines.
vocabulary assembler ( -- ) \ tools-ext
: init-asm ( -- )
also assembler ;
: code ( -- colon-sys ) \ tools-ext
\ start a native code definition
header here >body cfa, defstart init-asm ;
: (;code) ( -- ) \ gforth
\ execution semantics of @code{;code}
r> lastxt code-address! ;
: ;code ( colon-sys1 -- colon-sys2 ) \ tools-ext semicolon-code
( create the [;code] part of a low level defining word )
state @
IF
;-hook postpone (;code) ?struc postpone [
ELSE
align here lastxt code-address!
THEN
defstart init-asm ; immediate
: end-code ( colon-sys -- ) \ gforth end_code
( end a code definition )
lastxt here over - flush-icache
previous ?struc reveal ;
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