I wrote:

        ;  zero_state - set cpu to zero state.
        ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
        zero_state
        ; init bank 1 regs.
                movlw   BANK1
                movwf   STATUS
                movlw   OPT_DEF
                movwf   OPTION
                movlw   AD1_DIGI
                movwf   ADCON1
        ; init bank 0 regs.
                movlw   BANK0
                movwf   STATUS
                movlw   AD0_DEF
                movwf   ADCON0
                ....
                return

OOOPs, pay no attention whatsoever to any/all possible errors
in the code example from last time. ADCON1 is in bank 1, etc.
It was supposed to represent form [not necessarily work right].

[need to reread this stuff before pressing the send button
so fast - where's that paddle?].