void delay1(int num);
void setup() {
  volatile int blink[] = {0x0000003f, 0x00000006, 0x0000005b, 0x0000004f, 0x00000066, 0x0000006d, 0x0000007d, 0x00000007, 0x0000007f, 0x00000067};
  volatile int *configA, *configD, *setA, *setD;
  volatile int dig1, dig2, i;
  
  // GPIO Port A configuration
  configA = (volatile int*)0x50000000;
  *configA = 0x55555555;  // Set PA0-PA7 as output (assuming 2 bits per pin for configuration)

  // GPIO Port D configuration
  configD = (volatile int*)0x50000C00;
  *configD = 0x55555555;  // Set PD0-PD1 as output (assuming 2 bits per pin for configuration)
  // Set output data registers
  setA = (volatile int*)0x50000018;
  setD = (volatile int*)0x50000C18;
  while (1) {
    for(dig1=0;dig1<10;dig1++){
      for(dig2=0;dig2<10;dig2++){  
        for(i=0;i<100;i++){
          *setD = 0x00010003;
          *setA = blink[dig1];
          delay1(2);
          *setA = 0x00ff0000;
          *setD = 0x00020001;
          *setA = blink[dig2];
          delay1(2);
          *setA = 0x00ff0000;
        }         
      }
    }    
  }
}

void loop() {
  // Main loop remains empty
}

void delay1(int num) {
  volatile int i;
  while (num) {
    for (i = 0; i < 1000; i++);  // Adjust the delay loop as necessary
    num--;
  }
}