I have a code for pic16f84a (frequency meter) that work with the hardware below and i want to change for 16f88.
But that not work.

Code:
'*************************** HARDWARE ***********************************
'                       	 	 _____________
'                   	 		-| RA2  \/   RA1 |-	    LCD 04 RS       
'    controle mesure   	 		-| RA3       RA0 |-	    LCD 06 E
'      entree mesure    		-| RA4      OSC1 |-	    4 Mhz
'         + 5 Volts     		-| MCLR     OSC2 |- 	4 MHz
'             MASSE     		-| GND       VCC |- 	+ 5 Volts
'                       		-| RB0       RB7 |- 	LCD 14 DATA
'       PLUS BOUTON     		-| RB1       RB6 |- 	LCD 13 DATA
'      MOINS BOUTON     		-| RB2       RB5 |- 	LCD 12 DATA
'       MENU BOUTON     		-| RB3       RB4 |- 	LCD 11 DATA

'I have this but not work

CMCON = 7                       'PortA = digital I/O    
ANSEL = %00000100               'Will set RA2 as analog and all others as digital     
ADCON0 = %11100001	            'Configure and turn on A/D Module
ADCON1 = %00000010 	            'Set PORTA analog and RIGHT justify result