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who knows what this is for , help ?

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  • 3 weeks later...

Well, given that this is some kind of (bad) timing logic, and 59 is suspiciously like the number of seconds in a minute, I would suspect this is some kind of check to see if the elapsed time is > 1 minute.

I strongly suspect this code is overcomplicated and there are signficantly simpler ways of doing things.

These four sections of parallel code below look like they constantly evaluate if the elapsed time is greater than 45, 30, 15 and 59 seconds. The shift register on the boolean essentially latches (i.e. remembers) the previous value, and I think the XOR is used to reset the latch. I am not sure what is in the other cases of the Case Structures. Strangely the top one is active on a False, whereas the others are on True. 



Edited by Neil Pate
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