[vcf-midatlantic] das blinkenlights

[Andrew Diller]

This has already been solved- check out:

https://www.grc.com/pdp-8/deepthought-sbc.htm


-andy


> 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 my
> 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 have
>> a random pattern of lights.
>> I was told that they used the seven segment display driver outputs from a
>> digital clock randomly connected to the register lamps to get that
>> appearance. So that’s 42 semi random looking bits available, especially if
>> 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
>> 
>>