You didn't say if you were watching for this on a PIC or on your PC.  If on
your PC thu the serial port, Telix or Procomm or some other terminal program
with a built-in programing language may do.

David VanHorn wrote:

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> I have a somewhat ugly task to take on, and I'm looking for any alternate
> approaches before I implement a mess :)
>
> What I have to do is watch a serial byte stream for commands like:
>
> offset 20<cr> or
> echo on <cr>
>
> I have to pick the commands up, and implement them, as well as reject bad
> commands (non-existent or mis-spelled)  The particular command handler will
> be responsible for sanity-checking the data.
>
> Is there any clever approach to this, or is it an ugly, brute-force thing?
> FWIW, I'm doing this in assembler.
>
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