Remote Turtle Control - Turtle

rednet.open("left")
controllerId = 0

function ClearScreen()
    term.clear()
    term.SetCursorPos(1,1)
end

ClearScreen()
print("Ready for Commands!")

while true do
    sentBy, message, protocall = rednet.receive()
    if(sentBy == controllerId) then
        loadstring(message)()
        print("Executing command "..message)
    end
end