In looking at different tutorials/papers on timing with the PIC, using
Timer0 and the 8-bit counter being incremented every instruction cycle, I
notice that some of the documents use 255 as the multiplier, and some use
256.

Obviously they cannot both be right.  So which is it?   It seems to me that
(assuming that you let the counter start at zero) it would increment 255
times, at which time the counter would contain oxFF, and then on the next
increment it would overflow.  So therefore the correct multiplier would be
256.  But, as I say, I have seen at least one tutorial which says it would
be 255.

Which is correct, O Wise Ones???

John

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