>Maybe you also need your specific pic header file, something like
>p16f684.h. This file will change depending on your compiler suite.

>
> __CONFIG(INTIO & WDTDIS & PWRTEN & MCLRDIS & UNPROTECT \
>
> & UNPROTECT & BORDIS);

>You have unprotect twice, but no oscillator selection. Double check
>these settings. I don't recognize some of the features here, but I
>haven't used a 16F684 (or your compiler) either.

It does work with these settings as they are (at least for me), the 
oscillator selection is INTIO (internal RC, no clock out) but the two 
UNPROTECTs are uneccesary. HTC config fuses are a bit different from 
Microchips (or other) compilers.
Something like this should work just as well:
_CONFIG(INTIO & WDTDIS & PWRTEN & MCLRDIS & BORDIS);



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