import javax.microedition.midlet.*;
import javax.microedition.lcdui.*;

public class Midlet extends MIDlet implements CommandListener {

 Command ok = new Command("Ok", Command.OK, 0);

 public void startApp() {
  Display display = Display.getDisplay(this);
  if(display==null){
   initApp();
  }
 }

 public void initApp(){
  Emulator emul = new Emulator();
  Form form = new Form("CHIP-8 Emulator");
  form.append("Loading...");
  emul.loadGame();
  if(emul.gameLoaded == true){
   form.deleteAll();
   form.append("Game loaded");
   form.addCommand(ok);
   form.setCommandListener(this);
  }
  Display.getDisplay(this).setCurrent(form);
 }

 public void pauseApp() {
 }

 public void commandAction(Command c, Displayable d){
  if(c==ok) Display.getDisplay(this).setCurrent(new Emulator());
 }

 public void destroyApp(boolean unconditional) {
 }
}