#pragma GCC optimize ("-O0")
#pragma GCC push_options

void setup() {
  DDRB  = 0xFF; //8 a 13 -> output
  DDRD  = 0x00; //0 a 7 -> input
  PORTD = 0x80; //7 -> pullup
  bool variavel_bool = false;
  int variavel_int = 0x0000;
  long variavel_long = 0x00000000;
  unsigned variavel_unsigned = 0x0000;
  float variavel_float = 0.0;
  char variavel_char = '0';
  
  while(PIND & 0x80);
  PORTB = 0xFF;
  PORTB = 0x00;
  PORTB = 0xFF;
  variavel_bool = true;
  PORTB = 0x00;
  delay(50);
  while(!(PIND & 0x80));
  while(PIND & 0x80);
  PORTB = 0xFF;
  PORTB = 0x00;
  PORTB = 0xFF;
  variavel_int = 0xF0F0;
  PORTB = 0x00;
  delay(50);
  while(!(PIND & 0x80));
  while(PIND & 0x80);
  PORTB = 0xFF;
  PORTB = 0x00;
  PORTB = 0xFF;
  variavel_long = 0xF0F0F0F0;
  PORTB = 0x00;
  delay(50);
  while(!(PIND & 0x80));
  while(PIND & 0x80);
  PORTB = 0xFF;
  PORTB = 0x00;
  PORTB = 0xFF;
  variavel_unsigned = 0xF0F0;
  PORTB = 0x00;
  delay(50);
  while(!(PIND & 0x80));
  while(PIND & 0x80);
  PORTB = 0xFF;
  PORTB = 0x00;
  PORTB = 0xFF;
  variavel_float = 3.3;
  PORTB = 0x00;
  delay(50);
  while(!(PIND & 0x80));
  while(PIND & 0x80);
  PORTB = 0xFF;
  PORTB = 0x00;
  PORTB = 0xFF;
  variavel_char = '1';
  PORTB = 0x00;

  delay(50);
  while(!(PIND & 0x80));
  while(PIND & 0x80);
  PORTB = 0xFF;
  PORTB = 0x00;
  PORTB = 0xFF;
  variavel_bool != variavel_bool;
  PORTB = 0x00;
  delay(50);
  while(!(PIND & 0x80));
  while(PIND & 0x80);
  PORTB = 0xFF;
  PORTB = 0x00;
  PORTB = 0xFF;
  variavel_int += variavel_int;
  PORTB = 0x00;
  delay(50);
  while(!(PIND & 0x80));
  while(PIND & 0x80);
  PORTB = 0xFF;
  PORTB = 0x00;
  PORTB = 0xFF;
  variavel_long += variavel_long;
  PORTB = 0x00;
  delay(50);
  while(!(PIND & 0x80));
  while(PIND & 0x80);
  PORTB = 0xFF;
  PORTB = 0x00;
  PORTB = 0xFF;
  variavel_unsigned += variavel_unsigned;
  PORTB = 0x00;
  delay(50);
  while(!(PIND & 0x80));
  while(PIND & 0x80);
  PORTB = 0xFF;
  PORTB = 0x00;
  PORTB = 0xFF;
  variavel_float += variavel_float;
  PORTB = 0x00;
  delay(50);
  while(!(PIND & 0x80));
  while(PIND & 0x80);
  PORTB = 0xFF;
  PORTB = 0x00;
  PORTB = 0xFF;
  variavel_char += variavel_char;
  PORTB = 0x00;
  //Serial.begin(300);
  //Serial.println();
}

void loop() {}

#pragma GCC pop_options