[Coco] COCO PSG - It's alive!

[Brett Gordon]

cool sound and wads of ram/flash memory.  I like it.  Merry Christmas Ed!
On Dec 25, 2016 10:40 AM, "Zippster" <zippster278 at gmail.com> wrote:

> Thanks Joe!  :D
>
> I think we’ll have a lot of fun with this one!
>
> - Ed
>
> > On Dec 25, 2016, at 6:08 AM, Joe Grubbs <jsgrubbs at hotmail.com> wrote:
> >
> > What a great Christmas present for the community too. Excellent work Ed!
> >
> >
> > ________________________________
> > From: Coco <coco-bounces at maltedmedia.com> on behalf of Zippster <
> zippster278 at gmail.com>
> > Sent: Sunday, December 25, 2016 1:15 AM
> > To: CoCoList for Color Computer Enthusiasts
> > Subject: [Coco] COCO PSG - It's alive!
> >
> > It's alive!
> >
> > Here's a video of the most recent board I've been working on getting
> some initial testing.
> > This sound chip board, the COCO PSG, adds 1MB of combined FLASH and SRAM
> as well
> > as a Yamaha YM2149 sound generator.
> >
> > Test video
> > <https://drive.google.com/open?id=0B1sgl615FlGneHhvVmw2WTg3QWc>
> > [https://lh3.googleusercontent.com/uADYQAbjxL2FFMvY2owJFP6nQszFZw
> zbSkyKZFniq0-exlkfAFQ0SQ=w1200-h630-p]<https://drive.google.com/open?id=
> 0B1sgl615FlGneHhvVmw2WTg3QWc>
> >
> > PSG TEST (720p).mov<https://drive.google.com/open?id=
> 0B1sgl615FlGneHhvVmw2WTg3QWc>
> > drive.google.com
> >
> >
> >
> > The board supports switching the sound generator frequency to either 1
> or 2MHz.  The first tune,
> > Space Debris, is a CPC chiptune being played back with the 1MHz clock.
> The second, Seagulls,
> > is (I think) from the ST scene and uses 2MHz.
> >
> > These are both 50Hz register dumps.
> >
> > There's quite a bit of chiptune music that can be easily converted for
> playback on this for our CoCos,
> > and the possibility of making new tunes. I love this sound chip stuff,
> lots of fun... :D
> >
> > Merry Christmas everyone!!! :)
> >
> > - Ed
> >
> >
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> >
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