works for me
Code:
#CONFIG
cfg1 = _FOSC_INTOSC
cfg1&= _WDTE_ON
cfg1&= _PWRTE_OFF
cfg1&= _MCLRE_OFF
cfg1&= _CP_OFF
cfg1&= _CPD_OFF
cfg1&= _BOREN_ON
cfg1&= _CLKOUTEN_OFF
cfg1&= _IESO_ON
cfg1&= _FCMEN_ON
  __CONFIG _CONFIG1, cfg1
cfg2 = _WRT_OFF
cfg2&= _PLLEN_OFF
cfg2&= _STVREN_ON
cfg2&= _BORV_19
cfg2&= _LVP_OFF
  __CONFIG _CONFIG2, cfg2
#ENDCONFIG
DEFINE ADC_BITS 10 ' Set number of bits in result
DEFINE ADC_SAMPLEUS 50 ' Set sampling time in uS
ADCON1=$f0      'rc clk vdd ref   right justify
      osccon=$6A    '4 mhz
      anselA=1       'dig i/o
        ' CMCON0=7        ' compare off 
      trisA=001
      
  adval var word    
  main:
  pause 5  
   ADCIN 0, adval
 lata=0
 
 if adval > 500 then lata.2= 1 'led1
 if adval> 200  then  lata.1=1' led2
  
  goto main