Doubleblink

#include<at89x51.h>
void main()
{
int disp1[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f};
int disp2[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f};
float j;
int k=0;
int l=0;
P1=0x00;
P2=0x00;
while(1)
{
P1=disp1[k];
P2=disp2[l];
for(j=0;j<1000;j++);
k++;
if(k==10)
{
k=0;
l++;
if(l==10)
l=0;
}
}
}