movf    ADCON0,W    ; get current value
    addlw    B'00001000'    ; point to next channel
    andlw    B'00111000'    ; extract only channel bits
    iorwf     B'xx000101'     ; setup ADCS bits and GO bit
    movwf   ADCON0        ; start the conversion

Bob Ammerman
RAm Systems

----- Original Message -----
From: "Nick Stedman" <nickstedman@SYMPATICO.CA>
> Hi,
> I'd like to cycle through the 8 A/D Channels on a 16f877a, read each
channel
> and store the results in separate variables. The channel select bits are
5-3
> of the ADCON0 register. So far I've come up with:
>
> bcf/bsf ADCON0, 3
> bcf/bsf ADCON0, 4
> bcf/bsf ADCON0, 5
>
> and using a different combo of bcf/bsf for each channel. It doesn't seem
> very efficient though. Am I missing something? Any help would be
> appreciated.
> Nick

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