comparator not working

[Robinwithu]

Hello everybody i am new on this forum and checked also topic related with comparator and didnt find any solution's so here i am posting my code ..please have a look and give me suggestion ...to work my comparator of 16F684.............

Rc0--analog input
Rc1--internal ref voltage
Rc4--comparator output.

using intenal comparator at 8mhz ..
not using any interrupt..of ocmparator

MAIN CODE

start
;***********************define pin direction, and initialization *************************



clrf PORTA
clrf PORTC
movlw 0x02
movwf PORTA ;;RA1 as supply power which is supply voltage for melexis
clrf ANSEL
movlw 0x05 ;enable comparator(one independent comparator enabled)
movwf CMCON0
bsf STATUS, RP0 ;change bank0 to bank1
bcf TRISC,RC3 ;set RC3 as output--WAKE-UP
bcf TRISC,RC4 ;set RC4 as output--comparator output
bcf TRISA,RA1 ;set RA1 as output--Power Supply to Switch
bsf TRISC,RC0 ;set RC0 as input---Switch analog output
bsf ANSEL, RC0 ;set RC0 as analog input
movlw 0x71 ;8Mhz
movwf OSCCON ;1-HTS stable bit and 1-internal clock
movlw 0x0F ;x0F ---max frequency
movwf OSCTUNE ;to select the max frequency tunning bit register
bcf STATUS, RP0
clrf INTCON




;*****************************************************************************************

comparator:

bsf STATUS, RP0
movlw 0x86 ;internal voltage reference
movwf VRCON ;internal voltage reference set to(x86) 2,1875 volts
bcf STATUS, RP0 ;Cvref=((Vdd\4)+((Vrr[3:0]*Vdd)\32))


Check_comp:

btfsc CMCON0, C2OUT ;when the internal ext vtg is greater than 2,1875 v ;btfsc PORTC,RC4
goto WU_OFF ;than only we will get output from op-amp.
goto WU_ON

WU_ON:

bsf PORTC,RC3
goto Check_comp

WU_OFF:

bcf PORTC,RC3
goto Check_comp


please reply me as soon as possible.....request!!!!!!!!!!!!!!