Bank switching!  See below:

At 01:12 AM 2/28/02 -0600, Pic Dude wrote:
>What am I doing wrong here?  I tried to configure port A as all digital
>inputs, but can't read from it.  If I replace port A with port C, it works.
>Here's the init/main part of my code...
>
>      [ includes, config, etc up here ]

      bank1           ;macro to set RAM bank 1

>     movlw B'00111111'
>     movwf TRISA     ; Port A is all inputs
>     movlw B'00000110'
>     movwf ADCON1    ; Port A is all digital
>     tris PORTB      ; Port B is all outputs
>     tris PORTC      ; Port C is all outputs

      bank0           ;macro to set RAM bank 0

>     movlw B'00000000'
>     movwf ADCON0    ; Turn off A/D


>loop:
>     movf PORTA,0    ; Grab data at port A
>     movwf PORTB     ; Dump to port B
>     goto loop
>
>     end

Hope this helps!

dwayne


Dwayne Reid   <dwayner@planet.eon.net>
Trinity Electronics Systems Ltd    Edmonton, AB, CANADA
(780) 489-3199 voice          (780) 487-6397 fax

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