/* Write an ARM assembly function that takes three constants as inputs from C program,
 perform ADD operation and returns the result to the C program. */

#include <stdio.h>
#include <stdlib.h>

extern "C"{
   int my_add_asm(int x,int y, int z); //2 parameters.
}

void setup() {
  Serial1.begin(9600); //initialising the serial port.
}

int main()
{
  int x,y,z,result;
  printf("Enter the 1st value: ");
  scanf("%d",&x);
  printf("%d\n",x); //to make sure it shows up on the serial monitor.
  printf("Enter the 2nd value: ");
  scanf("%d",&y);
  printf("%d\n",y); //to make sure it shows up on the serial monitor.
  printf("Enter the 3rd value: ");
  scanf("%d",&z);
  printf("%d\n",z); //to make sure it shows up on the serial monitor.
  
  result = my_add_asm(x,y,z);
  printf("\nResult : %d \n",result);
}