function marqueeRight(side, text, ypos, sleep)
        if peripheral.isPresent(side) then
                term.redirect(peripheral.wrap(side))
                local sx, sy = term.getSize()
                text = string.rep(" ", sx - 1)..text..string.rep(" ", sx - 1)
                for i = 1,string.len(text) - (sx - 1) do
                        term.clearLine()
                        displayString = string.sub(text, -math.min(string.len(text), i + sx - 2), -i)
                        term.setCursorPos(1, ypos)
                        write(displayString)
                        os.sleep(sleep)
                end
                term.clearLine()
                term.restore()
        end
end