[Coco] C64 converted into low operating keys

[Bill Pierce]

Yes, John's schematics for the Stereo cart are in the archives. They are just replacements for the Orch90 cart. I haven't seen one of a cart using sound synth chips. His card was unique in that it plugged into the Coco then the Disk/MPI plugged into the card.
Has anyone ever built this card?

Bill P

Music from the Tandy/Radio Shack Color Computer 2 & 3
https://sites.google.com/site/dabarnstudio/
Bill Pierce
ooogalapasooo at aol.com




-----Original Message-----
From: Brian Blake <random.rodder at gmail.com>
To: CoCoList for Color Computer Enthusiasts <coco at maltedmedia.com>
Sent: Wed, Sep 19, 2012 1:44 pm
Subject: Re: [Coco] C64 converted into low operating keys



At one point in time, Little John was working on an add-on sound/music 
cart for the CoCo (as well as a great many other items). I haven't heard 
from him in a very long time, so I can only assume his health problems 
may have worsened.



On 9/19/2012 12:10 PM, Bill Pierce wrote:
> A good Sound card for the Coco would be nice. Coco always needed it. I never 
tried the Speech & Sound cart from Tandy, so I don't know how it sounded. I may 
try to grab one off e-bay the next time I see one. I know Speech Systems also 
did the Symphony 12 cart that had 12 voices! I would love to get my hands on 
one.
> The best thing, would be to develope a card using one of the modern synth 
chips available and create a "real" sound card, capable of wave, Soundfonts, 
Midi  ect. With all our "hardware hackers" here... this would be a nice project. 
I'm sure there's some chips out there that would work well with the Coco's rom 
port.
> There were several designs based on the Orch90 using dacs, but a synth chip 
would have more capabilities. And to be able to send raw Midi to a chip and have 
it produce music with no other hardware would be awsome.
> How about it guys? Any takers?
>
> Bill P
>
> Music from the Tandy/Radio Shack Color Computer 2 & 3
> https://sites.google.com/site/dabarnstudio/
> Bill Pierce
> ooogalapasooo at aol.com
>
>

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