On Friday 03 Oct 2003 9:19 pm, you wrote:
> Ok here is a shorter, well documented, version of the routine that I
> posted as "Writing data to a block of addresses using INDF" and it is
> still giving me hell. I will not write the data to Rx_Buffer + Rx_Num,
> it always write to Rx_Buffer.
>
> RX_INT_HANDLER
>         BANK0
>         BTFSS   RCSTA,OERR      ; test if overrun bit is set
>         PCALL   RX_1            ; if overrun bit is not set then goto
> RX_1
>         BCF     RCSTA,CREN      ; if overrun bit is set then stop
> continuios receive
>         BSF     RCSTA,CREN      ;reset error start continuios receive
>         MOVF    RCREG,0 ;dummy read
>         CLRF    Rx_Num  ;clear Rx_Num
> MAD     NOP
>         RETURN
> RX_1
>         BANK0                   ;TEST!!
>         MOVLW   Rx_Buffer       ;Move Address of Rx_Buffer to W
>         ADDWF   Rx_Num, W       ;Add Rx_Num to W

Here is the problem.  ADDWF adds W to the File not the file to W.  After this
line W still equals Rx_Buffer.

Ian

--
http://www.piclist.com hint: To leave the PICList
mailto:piclist-unsubscribe-request@mitvma.mit.edu