Remote Turtle Control - Pocket Computer

rednet.open('back')
turtleId = 0

function ClearScreen()
    term.clear()
    term.setCursorPos(1,1)
    print("W = Forward, S = Backward")
    print("A = Left, D = Right")
    print("Q = Up, E = Down")
    print("Dig = Dig, DigUp = Dig Up, DigDown = Dig Down")
    print("Run (program) = Run Program")
end

function SendCommand(cmd)
    rednet.send(turtleId, cmd)
    ClearScreen()
    print(cmd)
end

ClearScreen()

while true do
    input = read()
    if input == "w" then
        SendCommand("turtle.forward()")
    elseif input == "s" then
        SendCommand("turtle.backward()")
    elseif input == "a" then
        SendCommand("turtle.turnLeft()")
    elseif input == "d" then
        SendCommand("turtle.turnRight()")
    elseif input == "q" then
        SendCommand("turtle.up()")
    elseif input == "E" then
        SendCommand("turtle.down()")
    elseif input == "dig" then
        SendCommand("turtle.dig()")
    elseif input == "digUp" then
        SendCommand("turtle.digUp()")
    elseif input == "digDown" then
        SendCommand("turtle.digDown()")
    elseif string.find(input, "run")then
        SendCommand(string.sub(input, 5))
    end
end