单片机 时钟显示实验C语言

//时钟显示实验。。
#include<reg51.h>
 #include<absacc.h>
 #define ZXK XBYTE[0xfeff]
 #define ZWK XBYTE[0xfdff]
 #define uchar unsigned char
 uchar code LED[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,7,0x7f,0x6f};
 uchar hour,min,sec,disp_buf[6];
 unsigned int count;
 int coun=0,s;
 void delay()
 {
     uchar i=250;
 while(i--);
}
void display()  //显示函数
{
    uchar i;
disp_buf[0]=hour/10;
disp_buf[1]=hour%10;
disp_buf[2]=min/10;
disp_buf[3]=min%10;
disp_buf[4]=sec/10;
disp_buf[5]=sec%10;
for(i=0;i<6;i++)
{
    ZWK=0xff;
ZWK=~(1<<i);
if(i%2==1&&i<5)
{