Am 30 Aug 1999 23:36:23 +0200, in local.msx.int schriebst Du :
> > The official way is to read the OPL4 wavetable register 2. Bits 5-7
> > contains the OPL4 identification. See OPL4 manual page 14 for more
> > information.
>
> Thanks for your reply, Koen.
> I don't have a Moonsound, I don't know how to access it (what
> ports it uses?) and I don't know how to read it registers. Anyway, I'll
> look for OPL4 manual in Yamaha page (is the manual there?).
> But anyone has a step-by-step routine for identifying Moonsound?
> It would be better for me than writing my own (and untested) code...
>
> Thank you,
>
>
> Adriano Camargo Rodrigues da Cunha ([EMAIL PROTECTED])
> Engenharia de Computacao - UNICAMP
> http://www.adrpage.cjb.net MSX-TR:I have one.And you?
>
> * Suicide is like saying to God - You can't fire me ! I am quiting! *
>
>
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>
Hi Adriano
> I don't have a Moonsound, I don't know how to access it (what
> ports it uses?) and I don't know how to read it registers. Anyway, I'll
> look for OPL4 manual in Yamaha page (is the manual there?).
The OPL4 application manual can be found on our web side (www.msx.ch).
But only the register numbers are mentioned, not the portnumbers. I'll
have to look for that myself at home. I'll mail these portnumbers to you
the next time.
> But anyone has a step-by-step routine for identifying Moonsound?
> It would be better for me than writing my own (and untested) code...
Most programs that replay Moonsound music use the Moonblaster for
Moonsound replayer, which has the detection already integrated. Thus,
normal replayer software doesn't need to check itself. Moonblaster also
checks the amount of sample RAM.
I'm not familiar with the Moonblaster replayer myself. I only know how
to detect the OPL4 chip directly (without using the replayer) and how to
check the amount of SRAM directly. If you want to know how to use the
replayer (which can be found on our web site as well), you could ask
Marcel Delorme (email: [EMAIL PROTECTED]). Perhaps the replayer can
output some data that tell if the OPL4 is detected and how much SRAM is
available. Ask Marcel about this.
If you are not able to use the Moonblaster for Moonsound replayer, you
could ask him if the detection routine of Moonblaster can be seperated
and used at its own.
I'll look at home. Perhaps I've a simple Basic program that detects the
Moonsound and its SRAM. I'll send it to you if I've found it.
Greetings
Koen
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