Pleas dont panic.  its just a great big table and hes split
it onto multiple lines.  it all gets assembled as a string of
RETLWs.
alice

> PICers .. Myke, Tony et al
>
> OK, I *thought* I got a handle on the ol'DT table as used with a
> single line. ie
>
> addwf PCL,
> dt '0123456789ABCDEF',0
> like we talked about before.
>
> But then I look at other code and I see MULTIPLE DT's called by the
> one addwf instruction.
> Take Steve Lawther's code (tstdmlcd.asm) for a T6963 graphics LCd
> interface for instance :-
>
> getwelcomebyte
>                 org     0x2FE
>                 movwf   tempone
>                 movlw   0x03
>                 movwf   PCLATH
>                 movf    countno, W
>                 ;retlw   0xAA
>                 addwf   PCL, F
>                 dt      0x82, 0xFE, 0x80, 0x80, 0x7C   ;, 0x1F, 0x25,
> 0x2C  ;0 - 7
>                 dt      0x82, 0xFE, 0x80, 0x80, 0x7C   ;, 0x1F, 0x25,
> 0x2C  ;0 - 7
>
>                 dt      0x82, 0x80, 0x80, 0x80, 0x82   ;, 0x50, 0x56,
> 0x5C  ;8 - 15
>                 dt      0x82, 0x80, 0x80, 0x80, 0x82   ;, 0x50, 0x56,
> 0x5C  ;8 - 15
>
>                 dt      0x82, 0x80, 0x80, 0x80, 0x82   ;, 0x7E, 0x83,
> 0x88  ;16 - 23
>                 dt      0x82, 0x80, 0x80, 0x80, 0x82   ;, 0x7E, 0x83,
> 0x88  ;16 - 23
>                 .... and lots more
>
> AAaargh ! What's he doing with all these tables?? Your addwf jump is
> only gonna access the one DT statement isn't it? What's with the hex
> bytes & comma after the ; ?
>
> I figured if i wanted to select different messages I'd haver to call
> separate DT tables, like so  :-
>
> List1 addwf PCL,1
>       DT 'message #1'
>
> List2  addwf PCL,1
>        DT 'message # 2'   & etc
>
> So this is NOT so?
>
> Ian
>
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>
>

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