[Coco] (no subject)

Francis Swygert farna at att.net
Mon Dec 14 06:32:08 EST 2015


On 14/12/2015 3:34 AM, Zippster wrote:
> There is no additional overhead for the CoCo after the AY (or whatever)
> has done it’s part and the signal is put on the SND IN line at the cart port.
>
> It’s all analog from there.  The cart port sound in line is then mixed with
> the DAC output at the DAC in the case of the CoCo 2/3, or at the
> MC14529B (between the DAC and the modulator) in the case of the
> CoCo1.
>
> Nothing would really be gained by a separate jack on the cart except
> another output jack, one that would be missing whatever the DAC would
> have contributed to the signal.On 14/12/2015 3:34 AM, Zippster wrote:
> There is no additional overhead for the CoCo after the AY (or whatever)
> has done it’s part and the signal is put on the SND IN line at the cart port.
>
> It’s all analog from there.  The cart port sound in line is then mixed with
> the DAC output at the DAC in the case of the CoCo 2/3, or at the
> MC14529B (between the DAC and the modulator) in the case of the
> CoCo1.
>

=======================================
Nick, Zippster -- My lack of understanding about how the sound system on the CoCo works, obviously. Thanks for clarifying, I'm sure the answer helped others as well. 
 Frank Swygert
 Fix-It-Frank Handyman Service
 803-604-6548


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