-- control.lua
-- Program to control a turtle using W, A, S, D, Space, and Shift keys

local function moveTurtle()
    while true do
        local event, key = os.pullEvent("key")

        if key == keys.w then
            turtle.forward()
        elseif key == keys.a then
            turtle.turnLeft()
            turtle.forward()
            turtle.turnRight()
        elseif key == keys.s then
            turtle.back()
        elseif key == keys.d then
            turtle.turnRight()
            turtle.forward()
            turtle.turnLeft()
        elseif key == keys.space then
            turtle.up()
        elseif key == keys.leftShift then
            turtle.down()
        end
    end
end

-- Start the turtle control program
print("Control the turtle with W, A, S, D, Space, and Shift keys.")
moveTurtle()