Neko Project II emulates a NEC PC-9801.

Quote:

This emulator is a port to Wii of NP2 (Neko Project II), NEC PC-9801 emulator, programmed by Yui. The policy of this port is the minumum change. You must not ask Yui about this wii version.

Thanks to www.dcemu.co.uk for the news.

http://www.wiibrew.org/wiki/Neko_Project_II