Roland wrote :

> So do I simply write;
> 
> d_user                       ;default code
>         dw     "6781234",0D
> 
> readit
>         movlw  HIGH(d_user)
>         movwf  TBLPTRH       ; load high byte of pointer
>         movlw  LOW(d_user)
>         movwf  TBLPTRL       ; load low byte of pointer
> 
>         tblrd*               ; read byte from program memory,
>         movff  TABLAT,gotit  ; move byte from table
> 
> 
> -The above does work, just not sure how correct it is.

You are only reading the first byte, right ?

> -Is it necessary to ORG each string?

Can't be, since ORG isn't even always valid.
A normal label should be enough. But your example
above did work, didn't you say ?

> -If so, must it be on an even boundry?

No, the TBLxxx instructions operates on *bytes*, not words.

> -I suppose I can just 'clrf TBLPTRU' initially instead of 
> setting it each time ?

If you are working within the lower 64K bytes of program
memory, yes, I'd guess so.

Jan-Erik.



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