program for Seven segment display in 8051

#include<stdio.h>

#include <REG51.H>

void delay(int g);

int port[20] = {0xff,0xff,0xff,0xff,

0xc6,0x86,0xc7,0x86,

0xbf,0xc0,0xde,0x87,

0xbf,0x92,0x91,0x92,

0x92,0xc8,0x86,0x87},i;

void main(){

int d,b,j,k,s;

while(1){

i=0;

for(d=0;d<5;d++)

{

for(b=0;b<4;b++)

{

k=port[i++];

for(j=0;j<8;j++){

s=k;

s=s&0x80;

if(s==0x00)

P1= 0x00;

else

P1=0x1;

P2 = 0x1;

P2=0x00;

s=k;

s=s<<1;

k=s;

}

}

delay(10000);

delay(10000);

}

}

}

void delay(int g)

{

int h;

for(h=0;h<=g;g++)

{

;

}

}