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-rw-r--r--sim/m32c/misc.c79
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+/* misc.c --- miscellaneous utility functions for M32C simulator.
+
+Copyright (C) 2005 Free Software Foundation, Inc.
+Contributed by Red Hat, Inc.
+
+This file is part of the GNU simulators.
+
+The GNU simulators are free software; you can redistribute them and/or
+modify them under the terms of the GNU General Public License as
+published by the Free Software Foundation; either version 2 of the
+License, or (at your option) any later version.
+
+The GNU simulators are distributed in the hope that they 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 the GNU simulators; if not, write to the Free Software
+Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301, USA */
+
+
+#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;
+}