1: \ miscelleneous words
2:
3: \ Copyright (C) 1996 Free Software Foundation, Inc.
4:
5: \ This file is part of Gforth.
6:
7: \ Gforth is free software; you can redistribute it and/or
8: \ modify it under the terms of the GNU General Public License
9: \ as published by the Free Software Foundation; either version 2
10: \ of the License, or (at your option) any later version.
11:
12: \ This program is distributed in the hope that it will be useful,
13: \ but WITHOUT ANY WARRANTY; without even the implied warranty of
14: \ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15: \ GNU General Public License for more details.
16:
17: \ You should have received a copy of the GNU General Public License
18: \ along with this program; if not, write to the Free Software
19: \ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20:
21: ' require alias needs
22: \ needs is an F-PC name. we will probably switch to 'needs' in the future
23:
24: \ a little more compiler security
25:
26: \ currently not used by Gforth, but maybe by add-ons e.g., the 486asm
27: AUser CSP
28:
29: : !CSP ( -- )
30: sp@ csp ! ;
31:
32: : ?CSP ( -- )
33: sp@ csp @ <> -22 and throw ;
34:
35: \ DMIN and DMAX
36:
37: : dmin ( d1 d2 -- d ) \ double
38: 2over 2over d> IF 2swap THEN 2drop ;
39:
40: : dmax ( d1 d2 -- d ) \ double
41: 2over 2over d< IF 2swap THEN 2drop ;
42:
43: \ shell commands
44:
45: 0 Value $?
46:
47: : system ( addr u -- ) \ gforth
48: (system) throw TO $? ;
49: : sh ( "..." -- ) \ gforth
50: '# parse cr system ;
51:
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