Re: TI-H: Linking PIC to TI-89 project
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Re: TI-H: Linking PIC to TI-89 project
If it's TI protocol compatible then it can receive anything the calc send
out its port incl. Sending programs, getcalc sendcalc sendchat (or whatever
they are). Also you can use the romcalls.
Anyway I think I've got it working.
Wesley
----- Original Message -----
From: Grant Stockly <gussie@stockly.com>
To: <ti-hardware@lists.ticalc.org>
Sent: Friday, 27 August 1999 5:43
Subject: Re: TI-H: Linking PIC to TI-89 project
>
> Why don't you use I2C. You can port the 85 software.
>
>
> >Hi all,
> >I've decided to change the way I'm going about this whole thing. Seeing
as I
> >cant seem to get the TI ROM calls for linking to work I have decided to
make
> >my own....
> >
> >This will involve more work in the 89 ASM side of things but should yield
a
> >faster link protocol although possibly not as reliable, I'll have to see.
> >The protocol I suggest is one similar to that used by some IC's. You have
a
> >clock and a data line, each time the clock line goes low (or high
depending
> >on how I do it) a bit is read off the data line. This allows fast and
long
> >transfers. I'll see how I go.
> >
> >Wesley
>
>
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