#include <p16F690.inc>
  __config (_INTRC_OSC_NOCLKOUT & _WDT_OFF & _PWRTE_OFF & _MCLRE_OFF & _CP_OFF & _BOR_OFF & _IESO_OFF & _FCMEN_OFF)
 
 org 0

Start
 BSF   STATUS,RP0  ; select bank 1
 CLRF  TRISC       ; make PORTC pins all output
 BCF   STATUS,RP0  ; select bank 0
 CLRF  PORTC       ; set portc pins equal to 0 volts
 
loop
 BSF PORTC, 0  ; set pin c0 equal to 5 volts
 BCF PORTC, 0  ; set pin C0 equal to 0 volts
 GOTO loop
end
