Hi Myke

>PCLATH is NOT a readable Register (it's just writeable).  So instead of
>reading it and saving it, you should save the value you are programming in,
>into "temp_lath" when PCLATH is being changed.

Would this always work - say I change pclath and store it in temp_lath at
the same time, then I cross a page boundary in the code before the interrupt
occurs - wouldn't the restored pclath cause a jump backwards after the
interrupt's finished??

Jim