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I love the concept! I wonder how you arrived on five as the requisite number of states; is four not enough?

I agree with Yoel that the colors are a bit hard to see; here is an alternate @COLORS section that I find easier to work with, featuring a gradient from light to dark orange for "off" wires ...

A year and I half ago a made a 7-state rotate4reflect vN wiring CA and built a partial implementation of a Picoblaze microcontroller as a final project for my Digital Electronics class. The rule is called "DECA" for "Digital Electronics Cellular Automaton."

Here is a video I made explaining the ...

Thank you for the corrections! I've updated the original post accordingly.


Support for range 0 rules should not be required for compliance with the standard. I'd even say 'R0' should be syntactically invalid.

That's fair. Range-0 rules are pretty useless.


Provisions or specifications for 1D ...

I am soon getting to the point where I will need to parse rulestrings in my own CA simulator, which has the additional challenge of supporting higher-dimensional CA, which no existing notation does sufficiently.

Here is my proposal:

One String to Rule Them All


B<births>/S<survivals>/C<state ...

lodyihyuaan wrote: October 12th, 2020, 3:41 am You have a typo. Icons should use XPM but not WPM as you use.

Thank you! I've just fixed that.

Sorry to bump this old topic, but I haven't checked the forums in a while and forgot to turn on notifications for this thread! But I would like to respond to a few comments.


Bringing timing to a rule with no timing:
<snip>

Aha, this is an unintended behavior of NTAA that I couldn't work around ...

Anyone who's ever made almost anything in a CA circuit rule has suffered the tyranny of timing . If your gate inputs aren't perfectly timed, they'll flat-out fail, often silently. NoTimeAtAll introduces a concept to eliminate this concern: signals wait.

4eLP2ad.gif

x = 17, y = 17, rule ...

I first showed this on Wright's Discord server, and people told me to post it here, so uh … hi!

There was a small discussion about the smallest r=1 Moore outer-totalistic metacells people had made in various engineered automata, and I wondered what the absolute minimum would be, within Golly's ...