//**作者:胡甲 如需转载请注明出处**//
//**湖北工业大学工程技术学院 通信专业**//
//**单片机SST89E58RD 8位共阳数码管 12M晶振**//
//*******P0段选,P2位选*******//
//********2008年12月1号********//
#include "at89x52.h"
#define uchar unsigned char
#define uint unsigned int
uchar code tab[]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90,0xbf,0xff};
uchar n;
uchar hh,mm,ss;
uchar nhh,nmm,nss;
uint year;
uchar day,mon,week;
uchar hhs,hhg,mms,mmg,sss,ssg;
uchar days,dayg,mons,mong;
uchar nhhs,nhhg,nmms,nmmg,nsss,nssg;
uchar set1=1,set2=1;
sbit fm=P3^2;
sbit k1=P3^4;
sbit k2=P3^5;