Those are wire-nor circuits. Sorry...off to a meeting.
Btu that should get you started.
-Chris
Quoting Adam Wozniak <adam@xxxxxxxxxxxxxxxx>:
> Can anyone explain what the "4 bit", "5 bit", and "9 bit" polynomials
> mean for the TIA AUDC0/1 settings from a digital logic point of view?
>
> I've reviewed the TIA schematic, and TIASound.[ch] from the Stella emulator,
> but things still seem fairly cryptic; parts of the schematic have resistors
> which don't actually seem to be tied to anything, and odd open circles which
> I cannot discern the meaning of.
>
> Has anyone ever puzzled out the actual values for the "9 bit" polynomial?
>
> --
> adam@xxxxxxxxxxxxxxxx http://cuddlepuddle.org/~adam/pgp.html
> Will code for food. http://cuddlepuddle.org/~adam/resume.html
>
> "It seems I'm doomed to have .sigs which nobody can understand."
>
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