File:  [gforth] / gforth / stuff.fs
Revision 1.7: download - view: text, annotated - select for diffs
Tue Dec 8 22:02:52 1998 UTC (20 years, 10 months ago) by anton
Branches: MAIN
CVS tags: v0-4-0, HEAD
updated dates in copyright messages
inserted copyright messages in most files that did not have them
removed outdated files engine/32bit.h engine/strsig.c

\ miscelleneous words

\ Copyright (C) 1996,1997,1998 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.

' require alias needs ( ... "name" -- ... ) \ gforth
\G an alias for @code{require}; exists on other systems (e.g., Win32Forth).
\ needs is an F-PC name. we will probably switch to 'needs' in the future

\ a little more compiler security

\ currently not used by Gforth, but maybe by add-ons e.g., the 486asm
AUser CSP

: !CSP ( -- )
    sp@ csp ! ;

: ?CSP ( -- )
    sp@ csp @ <> -22 and throw ;

\ DMIN and DMAX

: dmin ( d1 d2 -- d ) \ double
    2over 2over d> IF  2swap  THEN 2drop ;

: dmax ( d1 d2 -- d ) \ double
    2over 2over d< IF  2swap  THEN 2drop ;

\ shell commands

0 Value $?

: system ( addr u -- ) \ gforth
    (system) throw TO $? ;
: sh ( "..." -- ) \ gforth
    '# parse cr system ;


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