Re: [stella] The heart of darkness.

Subject: Re: [stella] The heart of darkness.
From: Chris Wilkson <ecwilkso@xxxxxxx>
Date: Mon, 19 Nov 2001 11:42:59 -0500 (EST)
On Mon, 19 Nov 2001, John Saeger wrote:

> In any case, the two scans that I've posted show how the H01 and H02 signals
> are generated.  I'd be curious to know if somebody could tell me what they
> think the waveforms of H01 & H02 would look like.  Are they square waves?
> How does the phase relate to the input?  What kind of propagation delay has
> been introduced by the rather elaborate circuit used to generate them?

The circuit is actually pretty's a gray code counter.  It
generates a 2 phase, non-overlapping clock.  At the frequency of the 6502.
The 2 phase clock is generated by the 2 crosscoupled flipflops.  The graycode
is generated by the 2 NOR gates.


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