CY51单片机电子时钟代码

    #include<reg52.h>
    sbit key1=P3^1;
    sbit key2=P3^0;
    sbit key3=P3^2;
    sbit key4=P3^3;
    sbit a=P2^2;        //位选声明
    sbit b=P2^3;
    sbit c=P2^4;
    void delay(int);
    void zhongduan();
    void display(int,int,int,int,int,int);
    void keyscan();    //独立按键
    char num[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f};
    char num2[]={0xbf,0x86,0xdb,0xcf,0xe6,0xed,0xfd,0x87,0xff,0xef};//带点数据
    int shu1,shu2,shu3,shu4;//
    int ge,shi,fen1,fen2,hour1,hour2;
    int main(){
    TMOD=0x01;
    TH0=(65536-45872)/256;
    TL0=(65536-45872)%256;
    //TH1=(65536