ETALVIS_LED_Set_5_Problem_4 - Wokwi ESP32, STM32, Arduino Simulator

#define PORTA_DDR *(volatile uint8_t *)0X21
#define PORTA_DATA *(volatile uint8_t *)0X22

int main(){
  PORTA_DDR=0XFF;
  volatile long i;
  while(1){
    PORTA_DATA=0X4F;
  }
}