Add these lines to the top of your program:
@ DEVICE PIC16F819, INTRC_OSC_NOCLKOUT, WDT_OFF, LVP_OFF, PWRT_ON, PROTECT_OFF
DEFINE OSC 8
OSCCON = $70
I too had issues with this cool PIC but I found this info on the old email PIC list that got me going.
Jason
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