78 lines
1.5 KiB
C
78 lines
1.5 KiB
C
/* misc.c --- miscellaneous utility functions for RX simulator.
|
|
|
|
Copyright (C) 2005-2016 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/>. */
|
|
|
|
|
|
#include "config.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;
|
|
}
|