#include "head.h"

void setup() {
  init_program();
}

void loop() {
   volatile long i;
   char row;

   // Correct the letter "A" pattern if necessary
   char letter_A[8] = {
     0b00000000,  // Row 0 (empty row for spacing)
     0b00111000,  // Row 1
     0b01000100,  // Row 2
     0b01000100,  // Row 3
     0b01000100,  // Row 4
     0b11101110,  // Row 5
     0b00000000,  // Row 6
     0b00000000   // Row 7 (bottom row)
   };

   // Display character "A" on the 8x8 LED matrix
   for(row = 7; row >= 0; row--) {
     outrow(~(1 << row));           // Activate row (low active, row 0 at the top)
     outcol(letter_A[row]);        // Set columns according to the pattern for "A"
     for(i = 0; i < 1000; i++);   // Delay to make LEDs visible for a short time
     outcol(0);                    // Turn off all columns after the delay
   }

   // Optional: Delay before looping again
   for(i = 0; i < 1000; i++);  // Delay
}