#include #include

[Naveen Srivastava]

 

#include <stdio.h>

#include <8051.h>  

void delay (int time)

{

int i,j;

for (i=0;i<=10;i++)

{

for (j=0;j<=time*10;j++)

{

}}}      

void forward ( )

{

P1=0x11;

delay(10);

P1=0x22;

delay(10);

P1=0x33;

delay(10);

P1=0x44;

delay(10);

}    

void main()

{

P1=0xff;

while(1)

{

forward();

}

}