indexlsb        equ     0x80
indexmsb        equ     0x81            ;table index is here
temp            equ     0x82

lookup:
        movlw   low table
        addwf   indexlsb,w
        movwf   temp
        movfw   indexmsb
        skpnc
        incf    indexmsb,w
        addlw   high table
        movwf   PCLATH
        movfw   temp
        movwf   FSR

table   retlw   1
        retlw   2
        ...


> -----Original Message-----
> From: Fabio Pereira [mailto:fabio@PP.ADV.BR]
> Sent: Friday, December 21, 2001 2:44 PM
> To: PICLIST@MITVMA.MIT.EDU
> Subject: Re: [PIC]: help with large table
>
>
> > I need some code for a neat large table reader,
> > which just gets one data byte and incs the 16bit
> > pointer. The table is formatted in a continuous
> > string of retlw instructions, and the first byte
> > of the table can be anywhere in memory.
> > * 16bit address of table first byte
> > * 16bit address of table last byte
> > (table can be any length up to 8k)
> >
> > Can anyone help with code to do this? Especially
> > code that will suit 12 core and 14 core PICs,
> > so min stack use.
> > Thanks! :o)
> > -Roman
>
> Roman:
>
>  I don't think the PIC12 series (well, at least the 12 bit
> core ones) will
> support the RETLW instruction ....
>
> Fabio
>
> --
> http://www.piclist.com#nomail Going offline? Don't AutoReply us!
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>
>

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