#include<reg51.h>
void delay(){
int i,j;
for(i=0;i<250;i++)
for(j=0;j<150;j++)
;
}
code unsigned char tzl[]={0xfe,0xfb,0xef,0xbf};//跳着亮
code unsigned char dzsxl[]={0x7f,0xbf,0xdf,0xef,0xf7,0xfb,0xfd,0xfe};//倒着顺序亮
void led(unsigned char *p,unsigned char leng){
unsigned char i;
for(i=0;i<leng;i++){
delay();
P2=p[i];
}
}
void main()//
主函数{
while(1){
led(tzl,4);
led(dzsxl,8);
}
}