/* Develop an ARM assembly function to check if the difference between two signed 
integers is greater than or equal to zero. Return 1 if true; otherwise, return 0. 
Validate the function using a C++ program.
 Function prototype: check_difference(int a, int b)*/
#include <stdio.h>
#include <stdlib.h>

extern "C"{
  unsigned int check_difference(int x,int y);
}

void setup() {
  // put your setup code here, to run once:
  pinMode(LED_BUILTIN, OUTPUT);
}

void loop() {
  signed int x,y;

  printf("Enter the value of x:");
  scanf("%d",&x);
  printf("%d",x);

  printf("\nEnter the value of y:");
  scanf("%d",&y);
  printf("%d",y);

  printf("\n");

  if(check_difference(x,y) == 1)
  {
    printf("The difference between two signed integers is greater than or equal to zero\n");
  }

  else
  {
    printf("The difference between two signed integers is less than zero\n");
  }

}