1/* misc.c --- miscellaneous utility functions for M32C simulator. 2 3Copyright (C) 2005, 2007 Free Software Foundation, Inc. 4Contributed by Red Hat, Inc. 5 6This file is part of the GNU simulators. 7 8This program is free software; you can redistribute it and/or modify 9it under the terms of the GNU General Public License as published by 10the Free Software Foundation; either version 3 of the License, or 11(at your option) any later version. 12 13This program is distributed in the hope that it will be useful, 14but WITHOUT ANY WARRANTY; without even the implied warranty of 15MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16GNU General Public License for more details. 17 18You should have received a copy of the GNU General Public License 19along with this program. If not, see <http://www.gnu.org/licenses/>. */ 20 21 22#include <stdio.h> 23 24#include "cpu.h" 25#include "misc.h" 26 27int 28bcd2int (int bcd, int w) 29{ 30 int v = 0, m = 1, i; 31 for (i = 0; i < (w ? 4 : 2); i++) 32 { 33 v += (bcd % 16) * m; 34 m *= 10; 35 bcd /= 16; 36 } 37 return v; 38} 39 40int 41int2bcd (int v, int w) 42{ 43 int bcd = 0, m = 1, i; 44 for (i = 0; i < (w ? 4 : 2); i++) 45 { 46 bcd += (v % 10) * m; 47 m *= 16; 48 v /= 10; 49 } 50 return bcd; 51} 52 53char * 54comma (unsigned int u) 55{ 56 static char buf[5][20]; 57 static int bi = 0; 58 int comma = 0; 59 char *bp; 60 61 bi = (bi + 1) % 5; 62 bp = buf[bi] + 19; 63 *--bp = 0; 64 do 65 { 66 if (comma == 3) 67 { 68 *--bp = ','; 69 comma = 0; 70 } 71 comma++; 72 *--bp = '0' + (u % 10); 73 u /= 10; 74 } 75 while (u); 76 return bp; 77} 78