Korg Poly800/EX800 Users

This is turning into a very expensive kit!!  It's a good thing speculation
is cheap :-D

On Wed, 24 May 2006, Marcus Wilson wrote:

> Speaking of new features, one thing i was thinking would be uber cool
> would be to actually display the parameter info in the decal showing
> the parameters and ranges, and having up/down switches under the up/
> down parameter switch area. As my own experience is in membrane
> switches, getting the switch side of things is pretty simple, its the
> control and the multiplex/demultiplex of the parameter info display
> that got too hard.
>
> Imagine seeing all of the parameters on the poly displayed, and being
> able to tweak each one at will, instead of needing to fumble thru the
> parameters one at a time
>
> JB over
>
> On 24/05/2006, at 3:19 PM, jure zitnik wrote:
>
> > if you're planning the digital pot - why not replace the awkward up/
> > down buttons with a rotary encoder? i guess it's an easy job!
> >
> > jure
> >
> > On 5/23/06, patrioticduo <patrioticduo@...> wrote:
> > I'm trying to keep the scope within the realms of sanity.
> >
> > So I'm placing initial limits on the hardware upgrade.
> >
> > Required outcome: Upgrade the Poly 800 RAM and ROM to support
> > additional CPU programming related functions. A board will be
> > developed as part of a retrofit kit that will plug into the existing
> > ROM socket. The card will have a 2764 EPROM, a 6264 RAM, a 74LS138
> > decoder.
> >
> > Optional outcome: Provide the needed hardware to integrate several
> > well established mod's (moog slayer, 12/24db filter switch, etc) into
> > the CPU control and user programming system. Thus, add a 74H174 (6 bit
> > latch) and a digital potentiometer and other chips as needed to allow
> > existing and future mod's to be controlled by the CPU.
> >
> > I think it very unlikely that we'll run out of CPU cycles handling the
> > required outcomes. I think it possible that we may run into CPU cycle
> > restrictions trying to satisfy the optional outcomes.
> >
> > If we do find that we run out of CPU cycles then I'm hoping that I'll
> > know so much about the code that I can port the whole thing to a PC
> > and release a virtual Poly 800 that will run on your Linux box.
> >
> > Mike H.
> >
> > --- In korgpolyex@yahoogroups.com, "austeritygirlone" <ziggystar@...>
> >
> > wrote:
> > >
> > > --- In korgpolyex@yahoogroups.com, "patrioticduo" <patrioticduo@>
> > >
> > > Keep up the good work! After you've figured out how to controll the
> > > peripheral synthstuff from the cpu and written a basic OS, that gets
> > > somethingn done I'm sure that other people will join your efforts
> > > (like me). But of course doing this is a major obstacle.
> > >
> > > And have you thought about replacing the CPU by a more modern
> > > pincompatible version with more RAM, ROM and more MHz? I know that
> > > this is possible with the Roland JX-3P CPU (some Intel thing).
> > >
> >
> >
> >
> >
> >
> >
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