Re: [stella] RIOT Timer questions

Subject: Re: [stella] RIOT Timer questions
From: Chris Wilkson <ecwilkso@xxxxxxx>
Date: Mon, 8 Sep 2003 23:53:26 -0400 (EDT)
On Mon, 8 Sep 2003, Adam Wozniak wrote:

> On Mon, 8 Sep 2003, Eric Ball wrote:
> > If I
> > were designing the part, I would have it stop at 00 to indicate at least 255
> > cycles have elapsed since the transition to single cycle operation.
> Hehehe.  I'd design it the other way.  Rolling over again would cost less
> silicon, especially back in the mid 70's. =)

Not much.  The comparator is already there.  You just need to latch the zero
if the overflow flag is already set.  A nand gate that inhibits the clock
might be enough...3 transistors?


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