turtle control

function keycheck()
local sEvent, param = os.pullEvent()

--place
if sEvent == "key" and param == 54 then
turtle.place()
end

--dig
if sEvent == "key" and param == 28 then
print"you pressed enter"
turtle.dig()
print"turtle digging"
end

--forward
if sEvent == "key" and param == 200 then
turtle.forward()
end

--back
if sEvent == "key" and param == 208 then
turtle.back()
end

--turn left
if sEvent == "key" and param == 203 then
turtle.turnLeft()
end

--turn right
if sEvent == "key" and param == 205 then
turtle.turnRight()
end

--up
if sEvent == "key" and param == 57 then
turtle.up()
end

--down
if sEvent == "key" and param == 42 then
turtle.down()
end

--end of function
end

while true do
sleep(0)
keycheck()
end