Re: [stella] Clarification please

Subject: Re: [stella] Clarification please
From: Chris Wilkson <ecwilkso@xxxxxxx>
Date: Fri, 30 Jul 1999 13:26:12 -0400 (EDT)


On Thu, 29 Jul 1999, Paul Hart wrote:

> On Thu, 29 Jul 1999, Pete Holland wrote:
> 
> > What exactly constitutes a machine cycle?
> 
> One period of the processor's clock.  Are you familiar with digital design

[snip]

In the case of the 2600, the TIA's clock runs at 3.58 megahertz (approx).
This results in 228 "color clocks" (= pixels) per scanline.  This graphics
clock is divided by 3 inside the TIA to pruduce the 1.19MHz clock for the
6507, which can't run at 3.58MHz. Thus, 76 "machine cycles" per scanline.

-Chris



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