#pragma GCC optimize ("-Ofast")
#pragma GCC push_options
#pragma GCC poison printf sprintf fprintf

#include <TinyDebug.h>

const int led = 1;
const int sleep = 1000;

// the setup routine runs once when you press reset
void setup() {
  // initialize the digital pin as an output
  bitSet(DDRB, led);
  Debug.begin();
  Debug.println("Hello, TinyDebug!");
  Debug.print("GCC Version: ");
  Debug.print(__GNUC__);
  Debug.print(".");
  Debug.print(__GNUC_MINOR__);
  Debug.print(".");
  Debug.println(__GNUC_PATCHLEVEL__);
}

// the loop routine runs over and over again forever
void loop() {
  bitSet(PINB, led);
  delay(sleep);
}
ATTINY8520PU