Hello,

I have been experimenting with TMR0 and the prescaler to provide timing =
delays in my application.  It seems pretty easy to do if you want short =
delays.  However, when you are using a 4MHz clock, it seems to get =
difficult to get long delays, say like 1s.  I can set the prescaler to =
1:128 and start TMR0 at 0, and have the timer overflow every 32,768 =
cycles.  At 4MHz, that's orders of magnitude away from a 1s delay, and I =
would like to have delays of 24 hrs or more!  The only way I can think =
of getting around this is having the interrupt routine increment another =
register, and be able to count the cycles to a second that way.  But =
again, that's a very inconvenient way if you want a routine to function =
every 24 hrs, you would need quite a lot of bits!  I guess I have two =
other options, slowing the instruction clock down to the kilohertz =
range, or putting a secondary oscillator on T0CKI.  If anyone has any =
advice to share, I'd be grateful to hear it.

Thank You,
-Mike

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