[Coco] Xmodem, Ymodem

Gene Heskett gene.heskett at verizon.net
Sat Mar 22 01:56:51 EDT 2008


On Saturday 22 March 2008, Bob Devries wrote:
>Gene, I wqs using the Amiga's NCOMM programme, with it's ZModem, which used
>a library (can't remember its name, sorry).
>
Never was able to get NCOMM to work right.  Olaf Barthels 'Term-4.7' now was 
about as bulletproof as anything on the amiga ever was.  Is aminet still 
alive?  You could get it from there if they are.
Looks like they are 

<http://ftp.wustl.edu/pub/aminet/comm/term/term-roadmap.txt>

should show you what to get, there are several patches too.

Unforch, it looks like that server has been closed down, so use this link to 
get all the stuff:

<http://moose.darktech.org/FTPMIRRORS/ftp.aminet.net/comm/term/index.html>

>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
>
>--
>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)
Vital papers will demonstrate their vitality by spontaneously moving
from where you left them to where you can't find them.



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