> I appreciate any feedback

Hi,

there are three things I think you should do.

1) Double check the assembler output to be sure your banksel macros are
working, and that the OPTION setup code is correct
2) Verify that a 1:2 ratio on TMR0 is okay (because that's what the data
sheet says you get with 000 in PS2..PS0, you only get 1:1 with a WDT
assignment).
3) Verify that the TRIS register for RA4 is correct, and that you can
see the pin state change in a watch window.

These are the obvious things to check, but I don't use the '87x series
so I've never tried them in MPLAB.  I haven't looked for errata for this
topic with MPLAB (too much to sort through...)

Hope this helps,

Andy

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