Re: TI-H: Data Transfer Idea
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On Mon, 4 Nov 1996 19:12:41 -0500 (EST) cjo@pobox.com (C.J. Oster)
writes:
> Ok, all this time, we've been trying to use both lines for data
>transfer. If we use both, then we are esentially using sterio sound,
>but
>modems work great on mono. Sure if you are hard wired to gether, then
>the
>connection goes red-red, and white-white. But in a radio transmitter,
>we
>can transmit on one, and recieve on the other. Or we could just use
>one
>line and employ a protocol that modems use to transfer. This is where
>you
>guys come in... The most efficient transfer protocol is by far Xmodem
>CRC,
>right (assume that were leaving out isnd and T3 lines). Does somebody
>know
>EXACTLY how it takes care of errors? Don't reply saying that it has
>something to do with a checksum bit, I know that. Then you could
>leave you
>calc on waiting for a signal, and when you get a request, you could
>play a
>game, or chat, or whatever.
Well i would think it would be good to work are way up to a better
protocol. As far as i know the Hp48 uses kermit and xmodem (for
starters).. maybe we should look into old kermit.
References: