6. lo8, hi8

// 0x1234 (hex) = 4660 (dec)


volatile uint16_t a;

void setup()
{
  Serial.begin(9600);
  asm("ldi r24, lo8(0x1234) \n"
      "ldi r25, hi8(0x1234) \n"
      "sts (a), r24 \n"
      "sts (a+1), r25 \n"
      ::: "r24","r25"
     );

  Serial.println(a); // va afisa 4660
  Serial.println(a, HEX); // va afisa 1234
}

void loop()
{}