Path: utzoo!utgpu!watserv1!maytag!xenitec!zswamp!root
From: root@zswamp.fidonet.org (Geoffrey Welsh)
Newsgroups: comp.sys.cbm
Subject: Re: C64 Z-Modem
Message-ID: <6479.275F234A@zswamp.fidonet.org>
Date: Thu,  6 Dec 90 20:28:43 EST
Organization: Izot's Swamp BBS - Kitchener, Ontario

 > From: cs4344af@evax.arl.utexas.edu (Fuzzy Fox)
 > Message-ID: <1990Dec4.182309.8352@evax.arl.utexas.edu>
 > It's true that Zmodem would gain very little over other
 > protocols, but
 > there are still several good reasons to use Zmodem, on
 > any computer:
 >
 >         1.  No padding, as with X and Y modem
 >         2.  Batch file transfers possible
 >         3.  Better error checking
 >         4.  Zmodem is a very widespread protocol, so it's
 > easy to find
 >             someone else who speaks Z.
 
   YMODEM (the REAL YMODEM, the batch protocol, as opposed to the 

XMODEM-1K) solves 1 and 2 above. CRC-16, as implemented in all but 
the simplest XMODEM drivers, already provides an incredibly small 
chance of undetectable eror (in fact, I find it hard to believe that 
people would increase overhead measurably to cut the chance of undetected 
error almost immeasurably).
 
   4 is a valid point, I concede. I also concede that it would be 

nice if we could all run a mile a minute. As one of the people who 
occasionally is told that I SHOULD give ZMODEM a shot, I reserve the 
right to go about hollering "It ain't worth it!"


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