Recommended emulators are M88 for PC-88 (Windows only) and Neko Project II for PC-98 (Windows / Mac, ported as Xnp2 on Linux). Some games won't work with these ...
The best PC-98 emulator out there but went inactive since March 2016. Its major drawback is the non-remappable controls. Neko Project 21/W: Based on Neko ...
To download Neko Project II (henceforth referred to as NP2), use the download button, or go to the website of the emulator and download the version of np2fmgen.