Hello Darrel,
As you suggested in post 2, the battery now charges from output from the 5v regulator (through a diode and a 2.2k resistor). The voltage at the PIC never rises above 4.6v. I tested this system with a 20v DC supply and the voltage at the pic pins is still at 4.63 volts (after 48 hours of running).
I have attached a copy of the file with the required include (Instant interrupts) as a zip archive.
The pushbuttons are not a concern now since the primary function of the device itself
(i.e. keeping time) is not met.
Is ASM opcodes in column 1 bad ?
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