How about you can use the joystick to set the parameter when in set
parameter mode? The further you push to the right the faster the
parameter increments. The further you push left the faster it
increments down.
That is entirely a CPU coding job. I think 8K of extra ROM could fill
up real fast!
--- In korgpolyex@yahoogroups.com, "jure zitnik" <kokoon@...> 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).
> > >
> >
> >
> >
> >
> >
> >
> > SPONSORED LINKS
> > Music
sampler<http://groups.yahoo.com/gads?t=ms&k=Music+sampler&w1=Music+sampler&w2=Music+synthesizers&w3=Synthesizer+music&w4=Sampler&c=4&s=79&.sig=hc9xCPkXzzdNWRHibPZApQ>
Music
> >
synthesizers<http://groups.yahoo.com/gads?t=ms&k=Music+synthesizers&w1=Music+sampler&w2=Music+synthesizers&w3=Synthesizer+music&w4=Sampler&c=4&s=79&.sig=2Vb7gWoMw5sUY3DcS2zScA>
Synthesizer
> >
music<http://groups.yahoo.com/gads?t=ms&k=Synthesizer+music&w1=Music+sampler&w2=Music+synthesizers&w3=Synthesizer+music&w4=Sampler&c=4&s=79&.sig=zcWFtuqMYsRz1SxVMWGgrw>
> >
Sampler<http://groups.yahoo.com/gads?t=ms&k=Sampler&w1=Music+sampler&w2=Music+synthesizers&w3=Synthesizer+music&w4=Sampler&c=4&s=79&.sig=Luf8x1J6dIN8D_3s1pjRkw>
> > ------------------------------
> > YAHOO! GROUPS LINKS
> >
> >
> > - Visit your group
"korgpolyex<http://groups.yahoo.com/group/korgpolyex>"
> > on the web.
> >
> > - To unsubscribe from this group, send an email to:
> >
korgpolyex-unsubscribe@yahoogroups.com<korgpolyex-unsubscribe@yahoogroups.com?subject=Unsubscribe>
> >
> > - Your use of Yahoo! Groups is subject to the Yahoo! Terms of
> > Service <http://docs.yahoo.com/info/terms/>.
> >
> >
> > ------------------------------
> >
>