KeyTest

local robot = require("robot")
local comp = require("computer")

function jack()
  while robot.detect() do
    if not robot.up() then
	  robot.swingUp()
	  robot.up()
	end
  end
  while not robot.detectDown() do
    robot.down()
	robot.swing()
  end
  robot.place()
  robot.up()
end
function unload()
  robot.turnAround()
  robot.down()
  for c = 2, 16 do
    robot.select(c)
    if robot.count() > 0 then
      robot.drop()
    end
  end
  robot.select(1)
  robot.up()
  robot.turnAround()
end

while true do
  robot.up()
  if robot.detect() then
    jack()
    if robot.count(2) == 64 then
      unload()
    end
  end
  robot.down()

  if comp.energy() < 10 then
    print("Error! Low energy level.")
    break
  end

  os.sleep(15)
end