Diamond Counter

counter = 0
while true do
    term.setCursorPos(1,1)
    term.clear()
    turtle.suckUp(1)
    print("Gen Stats (push button to reset)")
    print("Diamonds: " .. tostring(counter))
    print("EMC: " .. tostring(counter * 8192))
    if redstone.getInput("back") then
        print("Resetting and stopping")
        turtle.dropUp()
        while type(http.get("http://tools.uk.ms/cc/diamondcounter/addDiamond.php?cmd=clr")) ~= "table" do
            sleep(1)
        end
        break
    end
    if turtle.getItemCount(1) == 1 then
        counter = counter + 1
        while type(http.get("http://tools.uk.ms/cc/diamondcounter/addDiamond.php")) ~= "table" do
            sleep(1)
        end
    end
    turtle.dropDown()
end