#include <reg51.h>

unsigned char code duan[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f};

unsigned char code wei[ ]={0xdf,0xef,0xf7,0xfb,0xfd,0xfe};

void main(void)

{

void show(unsigned char d,unsigned char w);

unsigned char i=1,j=0;

while(1)

{

show(i++,j++);

i=i<10?i:1;

j=j< 6?j:0;

}

}

void show(unsigned char d,unsigned char w)

{

void delay(void);

P2=wei[w];

P0=duan[d];

delay();

P0=0x00;

}

void delay(void)

{

int i,j;

for(i=0;i<100;++i)

for(j=0;j<1000;++j);

}