Re: TI-H: Data Transfer Idea


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Re: TI-H: Data Transfer Idea



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.


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