| \ ASSEMBLER, CODE etc. |
\ ASSEMBLER, CODE etc. |
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\ Copyright (C) 1995 Free Software Foundation, Inc. |
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\ This file is part of Gforth. |
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\ Gforth is free software; you can redistribute it and/or |
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\ modify it under the terms of the GNU General Public License |
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\ as published by the Free Software Foundation; either version 2 |
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\ of the License, or (at your option) any later version. |
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\ This program is distributed in the hope that it will be useful, |
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\ but WITHOUT ANY WARRANTY; without even the implied warranty of |
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\ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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\ GNU General Public License for more details. |
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|
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\ You should have received a copy of the GNU General Public License |
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\ along with this program; if not, write to the Free Software |
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\ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
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|
| \ 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. |
| : init-asm ( -- ) |
: init-asm ( -- ) |
| also assembler ; |
also assembler ; |
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| : 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 |
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threading-method |
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if |
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here >body cfa, |
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then |
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defstart init-asm ; |
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| : (;code) ( -- ) \ gforth |
: (;code) ( -- ) \ gforth |
| \ execution semantics of @code{;code} |
\ execution semantics of @code{;code} |
| r> lastxt code-address! ; |
r> lastxt code-address! ; |
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| : ;code ( colon-sys1 -- colon-sys2 ) \ tools-ext semicolon-code |
:noname ( -- colon-sys ) |
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align here lastxt code-address! |
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defstart init-asm ; |
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: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 @ |
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| IF |
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| ;-hook postpone (;code) ?struc postpone [ |
;-hook postpone (;code) ?struc postpone [ |
| ELSE |
defstart init-asm ; |
| align here lastxt code-address! |
interpret/compile: ;code ( compilation. colon-sys1 -- colon-sys2 ) \ tools-ext semicolon-code |
| THEN |
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| defstart init-asm ; immediate |
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| : end-code ( colon-sys -- ) \ gforth end_code |
: end-code ( colon-sys -- ) \ gforth end_code |
| ( end a code definition ) |
( end a code definition ) |
