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1 | \ ========== Copyright Header Begin ========================================== |
2 | \ | |
3 | \ Hypervisor Software File: th.fth | |
4 | \ | |
5 | \ Copyright (c) 2006 Sun Microsystems, Inc. All Rights Reserved. | |
6 | \ | |
7 | \ - Do no alter or remove copyright notices | |
8 | \ | |
9 | \ - Redistribution and use of this software in source and binary forms, with | |
10 | \ or without modification, are permitted provided that the following | |
11 | \ conditions are met: | |
12 | \ | |
13 | \ - Redistribution of source code must retain the above copyright notice, | |
14 | \ this list of conditions and the following disclaimer. | |
15 | \ | |
16 | \ - Redistribution in binary form must reproduce the above copyright notice, | |
17 | \ this list of conditions and the following disclaimer in the | |
18 | \ documentation and/or other materials provided with the distribution. | |
19 | \ | |
20 | \ Neither the name of Sun Microsystems, Inc. or the names of contributors | |
21 | \ may be used to endorse or promote products derived from this software | |
22 | \ without specific prior written permission. | |
23 | \ | |
24 | \ This software is provided "AS IS," without a warranty of any kind. | |
25 | \ ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, | |
26 | \ INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A | |
27 | \ PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN | |
28 | \ MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE FOR | |
29 | \ ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR | |
30 | \ DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN | |
31 | \ OR ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR | |
32 | \ FOR DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE | |
33 | \ DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY, | |
34 | \ ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF | |
35 | \ SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. | |
36 | \ | |
37 | \ You acknowledge that this software is not designed, licensed or | |
38 | \ intended for use in the design, construction, operation or maintenance of | |
39 | \ any nuclear facility. | |
40 | \ | |
41 | \ ========== Copyright Header End ============================================ | |
42 | \ id: @(#)th.fth 2.6 96/06/04 | |
43 | \ Copyright 1985-1990 Bradley Forthware | |
44 | \ Modified by M.Milendorf | |
45 | \ and again by Tayfun. | |
46 | \ Copied over by Dave Redman from Tayfun's tree. | |
47 | \ | |
48 | \ Temporary hex, and temporary decimal. "h#" interprets the next word | |
49 | \ as though the base were hex, regardless of what the base happens to be. | |
50 | \ "d#" interprets the next word as though the base were decimal. | |
51 | \ "o#" interprets the next word as though the base were octal. | |
52 | \ "b#" interprets the next word as though the base were binary. | |
53 | ||
54 | \ Also, words to stash and set, and retrieve, the base during execution | |
55 | \ of a word in which they're used. The words of the form push-<base> | |
56 | \ (where <base> is hex, decimal, etcetera) does the equivalent of | |
57 | \ base @ >r <base> The word pop-base recovers the old base... | |
58 | ||
59 | decimal | |
60 | : #: \ name ( base -- ) \ Define a temporary-numeric-mode word | |
61 | create c, immediate | |
62 | does> | |
63 | base @ >r c@ base ! | |
64 | parse-word | |
65 | 2dup 2>r $handle-literal? 0= if | |
66 | 2r@ $compile | |
67 | then | |
68 | 2r> 2drop | |
69 | r> base ! | |
70 | ; | |
71 | ||
72 | \ The old names; use h# and d# instead | |
73 | 10 #: td | |
74 | 16 #: th | |
75 | ||
76 | : push-base: \ name ( base -- ) \ Define a base stash-and-set word | |
77 | create c, | |
78 | does> r> base @ >r >r c@ base ! | |
79 | ; | |
80 | ||
81 | \ Stash the old base on the return stack and set the base to ... | |
82 | 10 push-base: push-decimal | |
83 | 16 push-base: push-hex | |
84 | ||
85 | 2 push-base: push-binary | |
86 | 8 push-base: push-octal | |
87 | ||
88 | \ Retrieve the old base from the return stack | |
89 | : pop-base ( -- ) r> r> base ! >r ; | |
90 | ||
91 | headers | |
92 | ||
93 | 2 #: b# \ Binary number | |
94 | 8 #: o# \ Octal number | |
95 | 10 #: d# \ Decimal number | |
96 | 16 #: h# \ Hex number | |
97 | ||
98 | headers |