FTB TreeFarmer

function makeTree()
  turtle.select(1)
  turtle.place()
  turtle.select(2)
  turtle.place()
end

function cutTree()
  turtle.dig()
  turtle.forward()
  while turtle.detectUp() do
    turtle.digUp()
    turtle.up()
  end
  while not turtle.detectDown() do
    turtle.down()
  end
  turtle.back()
end

function depositWood()
  turtle.select(3)
  turtle.dropDown()
  turtle.select(4)
  turtle.dropDown()
end

for i = 1, 64 do
  makeTree()
  cutTree()
  depositWood()
end

print ("Job Done!")