Re: TI-H: Linking PIC to TI-89 project
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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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