/*Write an ARM assembly function that takes two input parameters, performs an 
XOR logic operation on it, and returns the result to a calling C program. */

#include <stdio.h>

void setup() {
  // put your setup code here, to run once:
  Serial1.begin(115200);
}

extern "C" {
  int xor_func(int a, int b);
}

int main() {
  int a, b;

  printf("enter a: ");
  scanf("%i", &a);
  printf("%i\n", a);

  printf("enter b: ");
  scanf("%i", &b);
  printf("%i\n", b);

  printf("%i\n", xor_func(a, b));
  return 0;
}