Changes

*[https://unidos.cpcscene.net/ UniDOS] [[SymbOS]] To test [[X-Mass]] IDE/PATA mass-storage and [https://pulkomandy.github.io/shinra.github.io/nova.html Nova] RTC/NVRAM emulation

* Willy is a simple PC LPT connection adapter, so nothing modern about it. The OPL3 chip has been released in 1990. The MIDI protocol was created in 1983 and General MIDI has been adopted in 1991

* The IDE/PATA mass-storage interface has been designed in 1986