Vendor

local monitor = peripheral.wrap( "left" )
term.redirect(monitor)
paintutils.drawPixel(3, 3 , colors.pink )

touchEvents = {};

function getTouchEvents()
    while true do
        event, side, xPos, yPos = os.pullEvent("monitor_touch")
        table.insert(touchEvents, tostring(xPos) .. tostring(yPos))

        print(event .. " => Side: " .. tostring(side) .. ", " ..
        "X: " .. tostring(xPos) .. ", " ..
        "Y: " .. tostring(yPos))
    end
end

function main()
    boolwert = true
    while boolwert do
        if table.getn(touchEvents ) > 0 then
            for k,v in pairs(touchEvents) do
                print(k, v)
            end

            turtle.drop(1)
            os.sleep(0.1)
            boolwert = false
        end
    end
end

parallel.waitForAny(getTouchEvents, main)