https://blog.faceutil.com/2020/07/13/cdspace-lcd-converter-%ed%8c%8c%ec%9d%bc-iso-%eb%b3%80%ed%99%98%ed%95%98%ec%97%ac-%eb%a7%88%ec%9a%b4%ed%8a%b8%ed%95%98%ea%b8%b0-%e3%83%8f/