18F25K22 Help

[Archangel]

ANSELx = ANALOG SELECT or inversely Digital Select . . .
ADCON0 is where you choose which Analog Channel to use
ADCON1 is where you CHOOSE what your voltage references are & Trigger Select

ANSELA configures portA Analog or Digital
ANSELB configures portB Analog or Digital
ANSELC " " " " " portC Analog or Digital
ANSELD " " " " " portD Analog or Digital
ANSELE " " " " " portE Analog or Digital

All about COMPARATORS Below from Data Sheet

TABLE 18-2: REGISTERS ASSOCIATED WITH COMPARATOR MODULE
Name Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 Register on Page
ANSELA — — ANSA5 — ANSA3 ANSA2 ANSA1 ANSA0              154
ANSELB — — ANSB5 ANSB4 ANSB3 ANSB2 ANSB1 ANSB0        155
CM2CON1 MC1OUT MC2OUT C1RSEL C2RSEL C1HYS C2HYS C1SYNC C2SYNC 318
CM1CON0 C1ON C1OUT C1OE C1POL C1SP C1R C1CH<1:0>    317
CM2CON0 C2ON C2OUT C2OE C2POL C2SP C2R C2CH<1:0>    317
VREFCON1 DACEN DACLPS DACOE — DACPSS<1:0> — DACNSS 347
VREFCON2 — — — DACR<4:0>                                             348
VREFCON0 FVREN FVRST FVRS<1:0> — — — —                      344
INTCON GIE/GIEH PEIE/GIEL TMR0IE INT0IE RBIE TMR0IF INT0IF RBIF 116
IPR2 OSCFIP C1IP C2IP EEIP BCL1IP HLVDIP TMR3IP CCP2IP   129
PIE2 OSCFIE C1IE C2IE EEIE BCL1IE HLVDIE TMR3IE CCP2IE    125
PIR2 OSCFIF C1IF C2IF EEIF BCL1IF HLVDIF TMR3IF CCP2IF     120
PMD2 — — — — CTMUMD CMP2MD CMP1MD ADCMD                 57
TRISA TRISA7 TRISA6 TRISA5 TRISA4 TRISA3 TRISA2 TRISA1 TRISA0 156
TRISB TRISB7 TRISB6 TRISB5 TRISB4 TRISB3 TRISB2 TRISB1 TRISB0 156

Comparators are really good at causing you to tear out your hair while trying to get the PIC to do digital too.
Sorry this post comes too late to help you, I bet you won't forget though. Keep up the good work Tony.
JS