[vcf-midatlantic] das blinkenlights
billdegnan at gmail.com
Fri Aug 7 13:54:33 EDT 2020
I already mentioned this program, but Deeper Thought is better I think, and
easier to integrate with a Rasp Pi. Note, Jeff may just want to wire
lights directly and not use a Pi to drive it.
Here is an old writeup I did on how to integrate simH and Deeper Thought,
normally not compatible, on the same pidp8.
On Fri, Aug 7, 2020 at 1:11 PM Andrew Diller via vcf-midatlantic <
vcf-midatlantic at lists.vcfed.org> wrote:
> This has already been solved- check out:
> > On Aug 6, 2020, at 8:03 PM, Bill Degnan via vcf-midatlantic <
> vcf-midatlantic at lists.vcfed.org> wrote:
> > I look forward to seeing the finished product, this kind of thing is on
> > list, too.
> > Bill
> > On Thu, Aug 6, 2020, 6:15 PM Bill Dromgoole via vcf-midatlantic <
> > vcf-midatlantic at lists.vcfed.org> wrote:
> >> On the Battleship New Jersey, some of the digital displays appear to
> >> a random pattern of lights.
> >> I was told that they used the seven segment display driver outputs from
> >> digital clock randomly connected to the register lamps to get that
> >> appearance. So that’s 42 semi random looking bits available, especially
> >> the clock is still running.
> >> Bill
> >> From: Jeffrey Jonas via vcf-midatlantic
> >> Sent: Wednesday, August 5, 2020 7:47 PM
> >> To: vcf-midatlantic at lists.vcfed.org
> >> Cc: Jeffrey Jonas
> >> Subject: [vcf-midatlantic] das blinkenlights
> >> I have some front panels that I'd like to blink like in the movies.
> >> Since the human brain likes to find patterns, I suspect that
> >> pure random numbers are nowhere as satisfying as some patterns.
> >> Has anyone done research on that?
> >> Of course, I'll have multiple modes such as Conway's Life,
> >> counting in various ways, ring counters, etc.
> >> -- jeff jonas
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