PC-9800 Series Emulator
Neko Project 21/W
https://simk98.github.io/np21w/index.html
Neko Project 21/WでWindowsを動かす
https://sites.google.com/site/np21win/home

関連スレ
PC-98エミュを語ろう20
https://egg.5ch.net/test/read.cgi/software/1614419035/