Bob Jenner wrote:
>At 06:29  24/01/00 -0700, you wrote:
>>Bob Jenner wrote:
>>>;Assuming the Osc is accurate at 4 Mhz, the following applies.
>>>;Driving TMRO from Osc/4 (1Mhz) and not using the prescaler, an interrupt
>>>;occurs every 256 us. The 16 bit counter (tickhi,ticklo) is loaded with
>>>;D 3906 which gives a count every 256 x 3906 = 999936 us. 4us short
>>>;of a second amounts to 2.1 seconds/non leap year...good enough for me.
>>
>>
>>Isn't that 64us short of a second?
>>Wouldn't the clock gain 5.5296 seconds per day?
>>(about 33.6 minutes per year)
>>
>Ouch! What an idiot (me that is). Thanks Ken.


Aww, heck ... I do that kinda stuff all the time (drop digits, etc.).  Then
I stare at it for hours trying to figure out why its not doing what I think
its supposed to do.  A fresh set of eyes always helps.  Chalk another one up
for the PICList!

Cheers,

Ken