4位7段数码管从0到F显示

#include<reg52.h>
#include<stdio.h>
#define uchar unsigned char
#define uint unsigned int 
uchar m;
uchar code table[]={
0x3f,0x06,0x5b,0x4f,
0x66,0x6d,0x7d,0x07,
0x7f,0x6f,0x77,0x7c,
0x39,0x5e,0x79,0x71,0x40,};
sbit sc=P2^7;
sbit g=P2^4;
 void delay(uint z)
{ uint i,j;
for(i=z;i>0;i--)
            for(j=110;j>0;j--);
}
 
void main()
{  
         P0=0xf0;
   
         sc=0;
 g=1;
      while(1)
{ for(m=0;m<=16;m++)
         {
         P1=table[m];        
         delay(1000);}}