/* $NetBSD: bcd.c,v 1.1 2006/03/11 15:40:07 kleink Exp $ */ /* * Convert a single byte between (unsigned) packed bcd and binary. * Public domain. */ #include <sys/cdefs.h> __KERNEL_RCSID(0,"$NetBSD: bcd.c,v 1.1 2006/03/11 15:40:07 kleink Exp $"); #include <lib/libkern/libkern.h> unsigned int bcdtobin(unsigned int bcd) { return (((bcd >> 4) & 0x0f) * 10 + (bcd & 0x0f)); } unsigned int bintobcd(unsigned int bin) { return ((((bin / 10) << 4) & 0xf0) | (bin % 10)); }