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8acc9f485b
Two modifications:
1. The addition of 2013 to the copyright year range for every file;
2. The use of a single year range, instead of potentially multiple
year ranges, as approved by the FSF.
79 lines
1.5 KiB
C
79 lines
1.5 KiB
C
/* misc.c --- miscellaneous utility functions for RX simulator.
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Copyright (C) 2005-2013 Free Software Foundation, Inc.
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Contributed by Red Hat, Inc.
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This file is part of the GNU simulators.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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#include "config.h"
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#include <stdio.h>
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#include "cpu.h"
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#include "misc.h"
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int
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bcd2int (int bcd, int w)
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{
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int v = 0, m = 1, i;
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for (i = 0; i < (w ? 4 : 2); i++)
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{
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v += (bcd % 16) * m;
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m *= 10;
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bcd /= 16;
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}
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return v;
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}
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int
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int2bcd (int v, int w)
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{
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int bcd = 0, m = 1, i;
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for (i = 0; i < (w ? 4 : 2); i++)
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{
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bcd += (v % 10) * m;
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m *= 16;
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v /= 10;
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}
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return bcd;
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}
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char *
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comma (unsigned int u)
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{
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static char buf[5][20];
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static int bi = 0;
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int comma = 0;
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char *bp;
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bi = (bi + 1) % 5;
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bp = buf[bi] + 19;
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*--bp = 0;
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do
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{
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if (comma == 3)
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{
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*--bp = ',';
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comma = 0;
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}
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comma++;
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*--bp = '0' + (u % 10);
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u /= 10;
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}
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while (u);
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return bp;
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}
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