--paddle
padx=52
pady=122
padw=24
padh=4

function movepaddle()
    if btn (0) then
        padx-=3
    elseif btn (1) then
        padx+=3
  end
end

function_update()
    movepaddle()
end

function_draw
--clear the screen
    rectfill(0,0,128,128,3)

--draw the paddle
    rectfill(padx, pady, padx+padw,pady+padh,3)
end