#pragma GCC optimize ("Og")
#include "ArduinoTrace.h"

//volatile byte db,n=5,va;        //prueba 1
volatile byte db,n=3,va;        //prueba 2
// volatile byte db,n=1,va;        //prueba 3


void setup() {
  // put your setup code here, to run once:
  Serial.begin(9600);
  Serial.println("INICIO");


  asm(
    "Start: \n"
    "lds r16, n \n"
    "cpi r16, 1 \n" 
    "breq Out \n" // since n is being decremented by 1, at some point
                  // will reach 1, in that case n is no longer strictly
                  // greater than 1, and we go out of the loop

    "cpi r16, 4 \n" 
    "brsh True \n" // n > 3 <==> n >= 4
    "rjmp False \n"

    "True: \n"
    "ldi r18, 9 \n"
    "sts db, r18 \n"
    "rjmp End \n"

    "False: \n"
    "ldi r18, 6 \n"
    "sts db, r18 \n"

    "End: \n"
    "lds r19, va \n"
    "add r19, r18 \n"
    "sts va, r19 \n"
    "lds r20, n \n"
    "dec r20 \n"
    "sts n, r20 \n"
    "rjmp Start \n" // go and evaluate the loop condition

    "Out: \n"
    ::: "r16", "r18", "r19", "r20"
  );
  //------------- Proceso en alto nivel -------------------
  // while(n>1)
  // {
  //   if(n>3)
  //   {
  //     db=9;
  //   }
  //   else
  //   {
  //     db=6;
  //   }
  //   va=va+db;
  //   n=n-1;
  // } 
  //------------------------------------------------------

  DUMP(va);
}
void loop() {

}