https://www.shrinemaiden.org/forum/index.php/topic,11117.msg736742.html
* Download the emulator. Currently the recommended version is the fmgen
version; this link should guarantee that you have the latest build. Select
the first entry in the list labelled np2fmgen.7z, the password should be 9801.
http://ux.getuploader.com/emu/
** As of 2014-08-09 the latest version is the 2014-06-11 build, password 9801.
http://ux.getuploader.com/emu/download/87/np2fmgen.7z
* Extract anywhere. If you can't open .7z files, download 7-Zip.
* Download the YM2608 samples from this link if you don't already have them,
and extract them into the same folder as your np2 install.
http://www.ylw.mmtr.or.jp/~hosino/ma-net/bins/archive/game_sample/m88/ym2608r
l_fmpmd.zip