you can use STM32 and ips lcd Develop new dmg-01 LCD。
2 May 5, 2020 9:00 am
Re: new LCD for DMG question (43 replies, posted in Nintendo Handhelds)
https://www.mydigit.cn/forum.php?mod=vi 7%E7%93%B6
https://tieba.baidu.com/p/6157720381?pi 6020201673
someone (China) developed this LCD