Mining turtle - Roof

p = 0

function place_0()
    turtle.placeUp()
    turtle.forward()
    turtle.placeUp()
    turtle.forward()
    turtle.placeUp()

    turtle.turnRight()
    turtle.forward()
    turtle.turnRight()

    turtle.placeUp()
    turtle.forward()
    turtle.placeUp()
    turtle.forward()
    turtle.placeUp()

    turtle.turnLeft()
    turtle.forward()
    turtle.turnLeft()

    turtle.placeUp()
    turtle.forward()
    turtle.placeUp()
    turtle.forward()
    turtle.placeUp()

    p = 1
end

function place_1()
    turtle.placeUp()
    turtle.forward()
    turtle.placeUp()
    turtle.forward()
    turtle.placeUp()

    turtle.turnLeft()
    turtle.forward()
    turtle.turnLeft()

    turtle.placeUp()
    turtle.forward()
    turtle.placeUp()
    turtle.forward()
    turtle.placeUp()

    turtle.turnRight()
    turtle.forward()
    turtle.turnRight()

    turtle.placeUp()
    turtle.forward()
    turtle.placeUp()
    turtle.forward()
    turtle.placeUp()

    p = 0
end

if p == 0 then
    place_0()
end

if p == 1 then
    turtle.forward()
    place_1()
end