[Coco] Xmodem, Ymodem

[Bob Devries]

Gene, I wqs using the Amiga's NCOMM programme, with it's ZModem, which used 
a library (can't remember its name, sorry).

My trials were on about 3 feet of 7-wire cable with hardware handshaking on.

--
Regards, Bob Devries, Dalby, Queensland, Australia

Isaiah 50:4 The sovereign Lord has given me
the capacity to be his spokesman,
so that I know how to help the weary.

website: http://www.home.gil.com.au/~bdevasl
my blog: http://bdevries.invigorated.org/

----- Original Message ----- 
From: "Gene Heskett" <gene.heskett at verizon.net>
To: "CoCoList for Color Computer Enthusiasts" <coco at maltedmedia.com>
Sent: Saturday, March 22, 2008 3:24 PM
Subject: Re: [Coco] Xmodem, Ymodem


> On Saturday 22 March 2008, Bob Devries wrote:
>>I've used ZModem between my PC and my Amiga, but I must say it's very
>>unreliable, and prone to time-outs, regardless of the transmission speed.
>
> The amiga zmodem was I believe based on Tim Kientzles version, but was 
> totally
> compatible with rzsz-3.36 on the coco.  So bulletproof in fact that I'd 
> say
> you are miss-configured on one or the other serial ports, or have duff
> hardware.  I could move a 2+ megabyte file to the coco, then move it back 
> to
> the amiga with no diffs cmp could find, and reverse, from the coco to the
> amiga and back and the crc was still good, and no stumbles in the transfer
> going either way.  I tested that _very_ thoroughly.
>
> I have worked rzsz-3.3.6 against an old windows box once or twice too, on 
> a
> real 14,400 modem.  A couple of bad crc restarts slowed it down as I was
> sending it about 50 miles at the time, but it worked.
>
>>I'd say the SZ and RZ should work via the setup you mentioned (shell
>>i=/t2&), and I have used that in the past, but I've only used XModem and
>>YModem from within a terminal program like XCom9.
>>
>>--
>>Regards, Bob Devries, Dalby, Queensland, Australia
>>
>>Isaiah 50:4 The sovereign Lord has given me
>>the capacity to be his spokesman,
>>so that I know how to help the weary.
>>
>>website: http://www.home.gil.com.au/~bdevasl
>>my blog: http://bdevries.invigorated.org/
>>
>>----- Original Message -----
>>From: "George Ramsower" <georgeramsower at gmail.com>
>>To: <coco at lists5.maltedmedia.com>
>>Sent: Saturday, March 22, 2008 3:46 PM
>>Subject: [Coco] Xmodem, Ymodem
>>
>>> I'm curious why Ymodem won't work between this PC XP-Pro SP2 and my coco
>>> OS9-L2
>>>
>>> Xmodem works, but places stuff at the end to fill in the last 100 
>>> bytes(I
>>> assume)
>>> I can't get Ymodem or Zmodem to work at all. So, what I do is just edit
>>> out the extra crud that xmodem adds and the end and go from there.
>>>
>>> I don't use a terminal program on the coco. I simply do "shell i=/t2&"
>>> from the coco in the startup file and use Hyperterminal on this PC to do
>>> my work.
>>> Well, actually right now, I'm using /T3 on the coco because I lost a
>>> driver or reciever on the coco on the /t2 port. I need to fix that. This
>>> happens about once a year.
>>>
>>> I run it at 9600 baud, 8n1, using using all the handshaking lines such 
>>> as
>>> RTS, CTS and RD
>>>
>>> The Xmodem and Ymodem routines I have came from the OS9-L2 BBS system I
>>> bought about a thousand years ago.
>>>
>>> This has been a problem since day one. I read on this list that another
>>> person(I can't remember who) said he couldn't get Ymodem (or maybe 
>>> Zmodem)
>>> to work either.
>>>
>>> Suggestions?
>>>
>>>
>>> George
>>>
>>>
>>> --
>>> Coco mailing list
>>> Coco at maltedmedia.com
>>> http://five.pairlist.net/mailman/listinfo/coco
>>
>>--
>>Coco mailing list
>>Coco at maltedmedia.com
>>http://five.pairlist.net/mailman/listinfo/coco
>
>
>
> -- 
> Cheers, Gene
> "There are four boxes to be used in defense of liberty:
> soap, ballot, jury, and ammo. Please use in that order."
> -Ed Howdershelt (Author)
> "Being disintegrated makes me ve-ry an-gry!" <huff, huff>
>
> --
> Coco mailing list
> Coco at maltedmedia.com
> http://five.pairlist.net/mailman/listinfo/coco