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- /* misc.c --- miscellaneous utility functions for M32C simulator.
- Copyright (C) 2005-2022 Free Software Foundation, Inc.
- Contributed by Red Hat, Inc.
- This file is part of the GNU simulators.
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 3 of the License, or
- (at your option) any later version.
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
- You should have received a copy of the GNU General Public License
- along with this program. If not, see <http://www.gnu.org/licenses/>. */
- /* This must come before any other includes. */
- #include "defs.h"
- #include <stdio.h>
- #include "cpu.h"
- #include "misc.h"
- int
- bcd2int (int bcd, int w)
- {
- int v = 0, m = 1, i;
- for (i = 0; i < (w ? 4 : 2); i++)
- {
- v += (bcd % 16) * m;
- m *= 10;
- bcd /= 16;
- }
- return v;
- }
- int
- int2bcd (int v, int w)
- {
- int bcd = 0, m = 1, i;
- for (i = 0; i < (w ? 4 : 2); i++)
- {
- bcd += (v % 10) * m;
- m *= 16;
- v /= 10;
- }
- return bcd;
- }
- char *
- comma (unsigned int u)
- {
- static char buf[5][20];
- static int bi = 0;
- int comma = 0;
- char *bp;
- bi = (bi + 1) % 5;
- bp = buf[bi] + 19;
- *--bp = 0;
- do
- {
- if (comma == 3)
- {
- *--bp = ',';
- comma = 0;
- }
- comma++;
- *--bp = '0' + (u % 10);
- u /= 10;
- }
- while (u);
- return bp;
- }
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