content: 
  sub main()
      screen = CreateObject("roSGScreen")
      scene = screen.CreateScene("HomeScene")
      port = CreateObject("roMessagePort")
      screen.SetMessagePort(port)
      screen.Show()
  
      while(true)
          msg = wait(0, m.port)
          msgType = type(msg)
          if msgType = "roSGScreenEvent" then
              if msg.isScreenClosed() then return
          end if
      end while
  end sub
  