/*Write an assembly function that performs the sum of three constants 10, 20 and 30, 
and returns the result.*/

void setup() {
  Serial1.begin(115200);
}

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

int main() {
  printf("%i\n", my_asm_add_three_constants(10, 20, 30));
}