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/* misc.c --- miscellaneous utility functions for RX 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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