function dump()
  if turtle.getItemCount(15)>0 then
    turtle.digDown()
    turtle.select(2)
    turtle.placeDown()
    for slot = 4,15,1 do
      turtle.select(slot)
      turtle.dropDown()
    end
    if enderchest then
      turtle.select(2)
      turtle.digDown()
    else
      chests = chests - 1
    end
  end
end