text: // original gameboy
  #include <gb/gb.h>
  // gameboy color
  #include <gb/cgb.h>
  #include <stdio.h>
  
  #include "great_burst.h"
  #include "menu.h"
  #include "splashscreen.h"
  
  void main() {
      NR52_REG = 0x80; // enable sound
      NR50_REG = 0x77; // full volume
      NR51_REG = 0xFF; // all channels
  
      cgb_compatibility();
      splash();
      menu(0);
  }
  