--- gforth/code.fs 1995/10/07 17:42:14 1.1 +++ gforth/code.fs 2007/12/31 19:02:24 1.17 @@ -1,33 +1,52 @@ \ ASSEMBLER, CODE etc. +\ Copyright (C) 1995,1996,1997,1999,2003,2007 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 3 +\ 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, see http://www.gnu.org/licenses/. + \ 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 ( -- ) +: init-asm ( -- ) \ gforth also assembler ; -: code ( -- colon-sys ) \ tools-ext +: code ( "name" -- colon-sys ) \ tools-ext \ start a native code definition - header here >body cfa, defstart init-asm ; + header + here >body cfa, + defstart init-asm ; : (;code) ( -- ) \ gforth \ execution semantics of @code{;code} - r> lastxt code-address! ; + r> latestxt code-address! ; -: ;code ( colon-sys1 -- colon-sys2 ) \ tools-ext semicolon-code +:noname ( -- colon-sys ) + align here latestxt code-address! + defstart init-asm ; +:noname ( 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 + ;-hook postpone (;code) basic-block-end finish-code ?struc postpone [ + defstart init-asm ; +interpret/compile: ;code ( compilation. colon-sys1 -- colon-sys2 ) \ tools-ext semicolon-code : end-code ( colon-sys -- ) \ gforth end_code ( end a code definition ) - lastxt here over - flush-icache + latestxt here over - flush-icache previous ?struc reveal ; +