looks like NAP is not compatible with devices that have windowed watch dogs. you could try reporting this as a bug
or write your own nap routine in asm
i gave you two massive clues if you really are using a 12f675, a read of the manual and a search of the forum/pbp manual will yield all you need to know re setting config [fuses]registers and pin...
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Re: PAUSE and ASM interruots
Sure you can.
Ioannis Yesterday, 15:12Ioannis