//perform two digit addition, print sum

#include "ecen.h"

void setup(){
    volatile char *F_dir=0x30, *K_dir=0x107, *A_dir=0x21, *B_dir=0x24;
    *F_dir=0xff, *K_dir=0x00, *A_dir=0xff, *B_dir=0xff;
}

void loop(){
  int num1, num2, sum;
  volatile long k;

  num1 = getTarget();
  printTarget(num1);
  num1 = (num1*10)+getTarget();
  outB(0xff); //for separate vision 
  for(k=0;k<50000;k++); // vision delay
  printTarget(num1);
  outB(0xff);

  num2 = getTarget();
  printTarget(num2);
  num2=(num2*10)+getTarget();
  outB(0xff);  //for clear vision
  for(k=0;k<50000;k++); // vision delay
  printTarget(num2);
  outB(0xff);

  sum=num1+num2;
  outB(0xff); // for deparate vision 
  for(k=0;k<50000;k++); // vision delay
  printTarget(sum);
  outB(0xff);
  
}