[Coco] Question about the PIA RAM Size input

[Roger Taylor]

At 08:48 PM 4/30/2007, you wrote:
>Roger Taylor <operator at coco3.com> wrote:
>
> > The Single-Bit sound output part of the CoCo is one of those features
> > that could have been done without.  What software ever used it, and
> > why?
>
>Dungeons of Daggorath used it for the heart beat. Since the one bit
>sound is independant of the 6 bit DAC the program mixes the sound
>effects with the heart beat with zero CPU cost.



There's really no difference in the code it takes to alternate the 
MSBit of 65312 or the Single-bit sound bit of 65314.  Both will 
produce a loud click or pop to the speaker in the same CPU cycles.  I 
guess they found a quick way to mix sound, but I didn't think both 
channels could be enabled at the same time.



-- 
Roger Taylor