Date   : Tue, 18 Apr 2006 11:44:12 +0100
From   : jgh@... (Jonathan Graham Harston)
Subject: Re: Z-modem sourcecode

>Message-ID: <4427C814.5070903@...>
 
> >>> Does anyone have Basic or Assembler source for Z-modem file transfer
> >>> routines?
 
Have you tried http://mdfs.net/Docs/Comp/Comms/FTP/ZModem ?
 
Fragula <fragula@...> wrote:
> There were/are some bones that needed chewing.. Obviously the (Chuck
> Forseberg?) sources wouldn't fit on a beeb, for several reasons.
 
What do you mean by "the sources wouldn't fit on a beeb"? You
normally put the sources on disk. The only sources I expect to be
able to "fit on a beeb" are for small transient commands.
 
> Two: RAM requirements are fairly hefty. It would be barely doable (a
 
ZModem implementation is not RAM intensive. A ZModem
implementation that is RAM intensive is RAM intensive. A ZModem
implementation that is not RAM intensive is not RAM intensive.
 
> The CRC-32 (and IIRC CRC-16 too) code is done. (and again, IIRC, the
> code is mostly shared between both systems)
 
http://mdfs.net/Docs/Comp/Comms/FTP/CalcCRC and
http://mdfs.net/Docs/Comp/Comms/FTP/FNcrc
 
-- 
J.G.Harston - jgh@...                - mdfs.net/User/JGH
There are three food groups: brown, green and ice cream.