#include "pic.h"
char pinStatus = 0;
void delay(unsigned int j){
 while(j>0){
   j--;       
 }
}
void setPin(char p,char v){
 if(v==0){
  pinStatus = pinStatus & (~ (0b000001<<p));
 } else {
  pinStatus = pinStatus | (0b000001<<p);
 }
 GPIO = pinStatus;
}
void shiftSet(char v){
 setPin(2,0);
 setPin(0, v); 
 setPin(2,1); 
}

void clearShift(){
 setPin(1,0);
 setPin(1,1);
}

int main(){
 TRISIO = 0;
 GPIO = 0;
 while(1){
  clearShift();
  shiftSet(1);
  shiftSet(0);
  shiftSet(1);
  shiftSet(0);
  shiftSet(1);
  shiftSet(0);
  shiftSet(1);
  shiftSet(0);
  delay(32000);

  clearShift();
  shiftSet(0);
  shiftSet(1);
  shiftSet(0);
  shiftSet(1);
  shiftSet(0);
  shiftSet(1);
  shiftSet(0);
  shiftSet(1);
  delay(32000);
 }
}