[Coco] Including an SSC (was: CocoSDC)

Kandur k at qdv.pw
Fri Oct 10 12:08:33 EDT 2014


Glad, the Tandy Speech/Sound Cartridge is discussed here,
I have one for sale, if someone is interested.
http://tinyurl.com/kq3do6u

Kandur

Friday, October 10, 2014, 7:07:44 AM, you wrote:
> On Fri, Oct 10, 2014 at 6:49 AM, S Klammer <sklammer at gmail.com> wrote:
>> Although Darren's CocoSDC is great on its own (I do have one)... since so
>> many units are being requested, would it be a thought to try and include an
>> onboard SSC and/or Orch90?

> As someone who has extensively studied the internals of the SSC, I
> would say it is not worth it.

> http://tlindner.macmess.org/?page_id=96

> The SSC is a whole extra computer sitting on the CoCo's bus. The MPU
> is custom and not available.

> It would be much better (for the software developer) for the PSG to be
> directly connected to the CoCo. While this would suck for software
> already written for the SSC. It would make new software more
> streamlined.

> As far as the Orch-90, that hardware is dead simple. Programs that use
> the Orch-90 for sound don't usually do much else. The CPU overhead for
> the device is huge.

> Personally, I would not want the SDC to contain a major change on this run.

> A PSG and Orch-90 card would make a great project for the CoCo
> development board mentioned elsewhere on the list.

> Footnote: PSG: http://en.wikipedia.org/wiki/Programmable_Sound_Generator

> -- 
> tim lindner


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