Re: [openMSX-devel] [ openmsx-Feature Requests-772612 ] Yamaha SFG-01/SFG-05 support

[Patriek L. <pat...@dd...>]

>Initial Comment:
>The SFG-01 and 05 are synth modules with MIDI interface
>that are built in the Yamaha CX-5M e.g., but can also
>be plugged into any other MSX. The FM chip is the
>Yamaha YM2151, which seems to be emulated in MAME
>already (again written by Jarek Burczynski). An
>interesting resource: http://www.rgp.nl/cx5m/techn.htm
>Apparently there is also the YM2164. I'm not sure what
>that is exactly.

The YM2164 is used in the SFG-05 modules. It's 100% YM2151 compatible, but 
probably has added waveforms (similar to OPL1->OPL2 differences). I own 
both SFG-01 and SFG-05 modules, but have yet to reverse engineer the extra 
YM2164 features...