> >For instance adapt SCC Musixx or SCC Blaffer Basic relayer (are those
> >open-source?) for MoonSound.
>
> I got the SCC Musixx replayer source from TFH.
> I offered my MoonSound emulation code to TWZ for use in SCC Blaffer, but
> they weren't interested at this point.
NO??? I'll have some serious words with them...
> >The same can be done with MSX-Audio/Music replayers too... Adapting the
> >FM-part is easy (just change some I/O ports)
>
> In the case of MSX-MUSIC emulation, it's a bit more difficult because you
> need instrument definitions as well.
> However, when playing MBMs on MoonSound, I simply used MSX-AUDIO
> instruments with only the stereo settings determined by the MBM stereo
> settings.
I have the instruments definitions. Were posted here quite recently.
> >and if you include an ADPCM>PCM
> >converter you can also play the samples.
>
> Alex Wulms has the conversion routines on his web page.
Yeah know that. XADPCM.
> However, the conversion is very computation-intensive. Yobi once used
those
> routines and conversion time was around 10 seconds for a MWK file (on
> 3.5MHz or 7MHz, I forgot). However, turbo R might be able to do it a lot
> faster, depending on how much multiplications are used.
But it only has to be done when loading .MBK-files...
> >However, the MSX-Audio has a
> >slightly more advanced sampleunit (with interrupts etc.), but I don't
think
> >that will be a problem because that probably won't be used by most
> >replayers.
>
> The only replayer I know of that uses the sample interrupts is NOP's
SampBox.
Yeah. It isn't a real problem but it would have been nice, for example to
play WAV-files larger than 128k (or 64k, when 8-bit) on the MoonSound.
However, when doing that the sampleunit should also be able to play on while
accessing the SampleRAM. And that's another limitation of the OPL4: you
can't let the music go on while accessing the SampleRAM.
~Grauw
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