Annotation of gforth/stuff.fs, revision 1.8
1.1 anton 1: \ miscelleneous words
2:
1.7 anton 3: \ Copyright (C) 1996,1997,1998 Free Software Foundation, Inc.
1.1 anton 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:
1.8 ! anton 21:
1.6 anton 22: ' require alias needs ( ... "name" -- ... ) \ gforth
23: \G an alias for @code{require}; exists on other systems (e.g., Win32Forth).
1.1 anton 24: \ needs is an F-PC name. we will probably switch to 'needs' in the future
25:
26: \ a little more compiler security
27:
28: \ currently not used by Gforth, but maybe by add-ons e.g., the 486asm
29: AUser CSP
30:
31: : !CSP ( -- )
32: sp@ csp ! ;
33:
34: : ?CSP ( -- )
35: sp@ csp @ <> -22 and throw ;
1.2 anton 36:
1.4 anton 37: \ DMIN and DMAX
38:
1.2 anton 39: : dmin ( d1 d2 -- d ) \ double
1.5 pazsan 40: 2over 2over d> IF 2swap THEN 2drop ;
1.2 anton 41:
42: : dmax ( d1 d2 -- d ) \ double
1.5 pazsan 43: 2over 2over d< IF 2swap THEN 2drop ;
1.4 anton 44:
45: \ shell commands
46:
47: 0 Value $?
48:
49: : system ( addr u -- ) \ gforth
50: (system) throw TO $? ;
51: : sh ( "..." -- ) \ gforth
52: '# parse cr system ;
53:
1.8 ! anton 54: \ stuff
! 55:
! 56: : ]L ( compilation: n -- ; run-time: -- n )
! 57: \G equivalent to "] literal"
! 58: ] postpone literal ;
! 59:
! 60: : in-dictionary? ( x -- f )
! 61: forthstart dictionary-end within ;
! 62:
! 63: : in-return-stack? ( addr -- f )
! 64: rp0 @ swap - [ forthstart 6 cells + ]L @ u< ;
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