Re: C65 on Ebay

From: silverdr_at_wfmh.org.pl
Date: Sun, 5 Nov 2017 20:42:44 +0100
Message-Id: <C382A232-C4B4-4F5B-B407-305611BFE1B7@wfmh.org.pl>
> On 2017-11-05, at 20:31, Mia Magnusson <mia@plea.se> wrote:
> 
>>> Well, you can use a PLL for the system clock oscillator and control
>>> the PLL so sync *outputs* from the Amiga is in phase with sync from
>>> the signal you genlock onto.
>> 
>> Theoretically looks like you could probably do this (and then
>> constantly monitor for drifting and react), but the questions are:
>> 
>> 1) why make it more difficult and expensive while at the same time
>> potentially less reliable and slower to lock?
> 
> If you only feed h+v-sync into the computer but let the computer run
> the pixel clock of it's internal oscillator then you will have jitter
> of atleast one 28MHz clock cycle.

Now it's me "?" ...

>> 2) what for - if there is nobody willing to listen to those sync
>> pulses anyway?
> 
> ?

You wanted to sync the output pulses from the computer. The question is what would you use those for if nobody is willing to listen to them. The whole "house" listens to "house sync", not to what one of the slave appliances in the house is trying to say.

-- 
SD! - http://e4aws.silverdr.com/


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Received on 2017-11-05 20:01:17

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