Marko wrote:
> Hi all,
>
> I'm new (2 days now) to PICs and am working on a project that involves
> reading weigand RFID signals, storing the ID numbers in memory then
> transmitting them via RS232 to a computer in a big batch.
>
> As a "build-up" to this, I'm trying to get an LED flasher to work, then an
> RS232 broadcaster, then a weigand reader, then finally the weigand
> reader/re-transmitter.
>
> I'm using a 16F88, as it seems to have more than enough capability and isn't
> too expensive; programmed in assembly language in MPLAB. The code for the
> LED flasher and RS232 are here:
>
> http://web.mit.edu/cosic/www/PIC/
>
> The issue I have is with setting up the device I/O - this is the error I get
> when compiling:
>
> "Message[302] C:\RFID\RS232.ASM 51 : Register in operand not in bank 0.
> Ensure that bank bits are correct." 
>
>   
These are not errors, it is simply a message. Its a reminder, nothing more.

Don't worry about it.

--Bob



> Page 15 of the datasheet says that TRISA, TRISB and ANSEL are in 'Bank 1'.
> Page 11 describes the Settings for STATUA, RP0 and STATUS, RP1 needed for
> bank 0.
>
> I've played about with my code to no avail - I still get the error during
> compile about the register not being in bank 0. (though it seems to simulate
> just fine).
>
> Any chance somebody more experienced could take a quick peek at the code for
> me please? (its lines 18 and 19 on the LED one, lines 51, 55 and 56 on the
> RS232 one) Replies off-list would be great.
>
> Thanks!
>
> --
> Marko (Mechanical Engineer/blacksmith trying his best at software)
>
> PS - using the following exemple code from page 53 of the datasheet also
> flags up the same compile errors:
>
> BANKSEL PORTA ; select bank of PORTA
> CLRF PORTA ; Initialize PORTA by
> ; clearing output
> ; data latches
> BANKSEL ANSEL ; Select Bank of ANSEL
> MOVLW 0x00 ; Configure all pins
> MOVWF ANSEL ; as digital inputs
> MOVLW 0xFF ; Value used to
> ; initialize data
> ; direction
> MOVWF TRISA ; Set RA<7:0> as inputs
>
>   

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