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4f8d4a38 DD |
1 | /* misc.c --- miscellaneous utility functions for RX simulator. |
2 | ||
7b6bb8da JB |
3 | Copyright (C) 2005, 2007, 2008, 2009, 2010, 2011 |
4 | Free Software Foundation, Inc. | |
4f8d4a38 DD |
5 | Contributed by Red Hat, Inc. |
6 | ||
7 | This file is part of the GNU simulators. | |
8 | ||
9 | This program is free software; you can redistribute it and/or modify | |
10 | it under the terms of the GNU General Public License as published by | |
11 | the Free Software Foundation; either version 3 of the License, or | |
12 | (at your option) any later version. | |
13 | ||
14 | This program is distributed in the hope that it will be useful, | |
15 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | GNU General Public License for more details. | |
18 | ||
19 | You should have received a copy of the GNU General Public License | |
20 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ | |
21 | ||
22 | ||
8d794149 | 23 | #include "config.h" |
4f8d4a38 DD |
24 | #include <stdio.h> |
25 | ||
26 | #include "cpu.h" | |
27 | #include "misc.h" | |
28 | ||
29 | int | |
30 | bcd2int (int bcd, int w) | |
31 | { | |
32 | int v = 0, m = 1, i; | |
33 | for (i = 0; i < (w ? 4 : 2); i++) | |
34 | { | |
35 | v += (bcd % 16) * m; | |
36 | m *= 10; | |
37 | bcd /= 16; | |
38 | } | |
39 | return v; | |
40 | } | |
41 | ||
42 | int | |
43 | int2bcd (int v, int w) | |
44 | { | |
45 | int bcd = 0, m = 1, i; | |
46 | for (i = 0; i < (w ? 4 : 2); i++) | |
47 | { | |
48 | bcd += (v % 10) * m; | |
49 | m *= 16; | |
50 | v /= 10; | |
51 | } | |
52 | return bcd; | |
53 | } | |
54 | ||
55 | char * | |
56 | comma (unsigned int u) | |
57 | { | |
58 | static char buf[5][20]; | |
59 | static int bi = 0; | |
60 | int comma = 0; | |
61 | char *bp; | |
62 | ||
63 | bi = (bi + 1) % 5; | |
64 | bp = buf[bi] + 19; | |
65 | *--bp = 0; | |
66 | do | |
67 | { | |
68 | if (comma == 3) | |
69 | { | |
70 | *--bp = ','; | |
71 | comma = 0; | |
72 | } | |
73 | comma++; | |
74 | *--bp = '0' + (u % 10); | |
75 | u /= 10; | |
76 | } | |
77 | while (u); | |
78 | return bp; | |
79 | } |