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Groups > comp.sys.apple2.programmer > #2067

Re: telnetd for GNO?

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-- 

Bill Garber  * http://www.sepa-electronics.com *


"D Finnigan" <dog_cow@macgui.com> wrote in message news:dog_cow-1452208114@macgui.com...
> Jeff Blakeney wrote:
>> I tried to keep my reply short and concise and failed miserably.  :)
>
> No worries, Usenet was made for talking! :-)
>
>>
>>  You could create a replacement for Marinetti but it would
>> get confusing if you had two tool sets that had the same tool set number.
>
> True, but how else could a drop-in replacement work with existing
> applications?
>
>
>>
>> I've not run into any problems using Marinetti but then, applications
>> are limited and I haven't used my IIgs online for a while.
>
> Ewen Wannop and I found a bug about 2 or 3 years ago in Marinetti while
> testing and debugging one of his applications.
>
> There's another bug that I don't think has been fixed-- if you use the web
> server NDA there's a bug that will cause a system crash.
>
>>
>> The speed almost certainly won't improve because the original Uthernet
>> pretty much maxed out the IIgs bus speed.  10 megabits per second is
>> pretty darn close to 1 megabyte per second which is the Apple II's bus
>> speed limit.  The Uthernet II's 100 megabit connection is a bit of a
>> waste unless we can come up with a way to bypass the Apple II's bus.
>> Then the problem would become one of processor speed.
>
> I agree there, we'd need DMA to really get things going in terms of
> transfer...
>>
>> However, I agree that the co-processing of checksums and moving of data
>> over the network would free up time for the IIgs processor.  I just
>> don't think the that is worth the trade off of only supporting one piece
>> of network connection hardware.
>
> . but there's more to it than just checksumming. Literally thousands of
> instructions that would be executed on the 65C816 are now bypassed because
> you're only copying your data payload to the W5100 for send, or you're
> copying bytes out of the W5100 for receive.
>
> In other words, all kinds of logic, not just checksumming, is being
> offloaded from the IIgs to the W5100. There's no way I could believe that
> *won't* result in a speedup.
>
>
>>
>> Andrew reminded me of the MacIP link layer and also mentioned the
>> different link layers for emulators.  There are lots of link layers and
>> supported hardware connections so there is a good chance people will be
>> using connections other than an Uthernet II.  For instance, now that I
>> have an Uthernet II, my original Uthernet will be going into another
>> IIgs and that machine will need to use Marinetti as there is no on board
>> TCP/IP stack for that card.
>
> Those people can continue using Marinetti.
>
> But here's the thing. Glenn Jones told me a few months ago that more people,
> during the Uthernet II pre-order period last fall, bought an Uthernet II
> than ever bought the original Uthernet in the 9 years that it was produced.
>
> In short: there are several hundred Uthernet II cards out in the hands of
> Apple II users, there are more Uthernet II cards than there are original
> Uthernets, and with orders open again (see
> http://a2retrosystems.com/order.htm/ ) that installed base will only
> continue to increase.

It works without the last '/' on the hyperlink.

http://a2retrosystems.com/order.htm

Bill Garber  * http://www.sepa-electronics.com *

>> As Kelvin pointed out, a web server can use up four connections quite
>> quickly.
>>
>> The other problem is if you have multiple things going on at once.  Some
>> of these programs are desk accessories and new stuff probably will be as
>> well.  You could conceivably have IRC, telnet, FTP, E-mail and a web
>> browser all open at the same time.  As you pointed out, FTP can use two
>> connections and even an email program could have both a POP3 and an SMTP
>> connection open simultaneously.  An e-mail client that is set up to
>> support multiple e-mail address could also open all the POP3 connections
>> at the same time as well.
>
> Point taken. In these situations, people can continue using Marinetti.
>
>
>>
>> Please don't let my views deter you from working on your own Uthernet II
>> library.
>
> I'm going to work on one for the 6502 at least. James Brooks indicated to me
> that he'd like to write some code for the 65c816. I'm still learning 65c816
> assembly, so I can't really be effective at it, yet.
>
>
> -- 
> ]DF$
> The Marina IP stack for Apple II--
> http://marina.a2hq.com/

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telnetd for GNO? stlhood <stlhood@gmail.com> - 2016-01-03 14:00 -0800
  Re: telnetd for GNO? D Finnigan <dog_cow@macgui.com> - 2016-01-04 16:27 +0000
    Re: telnetd for GNO? stlhood <stlhood@gmail.com> - 2016-01-04 10:50 -0800
      Re: telnetd for GNO? D Finnigan <dog_cow@macgui.com> - 2016-01-04 18:57 +0000
        Re: telnetd for GNO? Jeff Blakeney <CUTjeffrey_blakeney@yahoo.ca> - 2016-01-04 18:56 -0500
          Re: telnetd for GNO? D Finnigan <dog_cow@macgui.com> - 2016-01-05 20:44 +0000
            Re: telnetd for GNO? andrew.roughan@writeme.com - 2016-01-06 03:21 -0800
              Re: telnetd for GNO? D Finnigan <dog_cow@macgui.com> - 2016-01-07 22:51 +0000
            Re: telnetd for GNO? Kelvin Sherlock <email@domain.com> - 2016-01-06 12:45 -0500
            Re: telnetd for GNO? Jeff Blakeney <CUTjeffrey_blakeney@yahoo.ca> - 2016-01-06 17:12 -0500
              Re: telnetd for GNO? D Finnigan <dog_cow@macgui.com> - 2016-01-07 23:05 +0000
                Re: telnetd for GNO? "Bill Garber" <willy46pa@comcast.net> - 2016-01-07 21:43 -0500
                Re: telnetd for GNO? andrew.roughan@writeme.com - 2016-01-09 00:58 -0800
                Re: telnetd for GNO? D Finnigan <dog_cow@macgui.com> - 2016-01-09 21:30 +0000
  Re: telnetd for GNO? Stephen Heumann <stephen.heumann@gmail.com> - 2016-01-04 18:45 -0600
    Re: telnetd for GNO? stlhood <stlhood@gmail.com> - 2016-01-04 20:40 -0800
      Re: telnetd for GNO? Stephen Heumann <stephen.heumann@gmail.com> - 2016-01-10 12:30 -0600
        Re: telnetd for GNO? stlhood <stlhood@gmail.com> - 2016-01-10 21:28 -0800
          Re: telnetd for GNO? Steven Hirsch <snhirsch@gmail.com> - 2016-01-11 13:03 -0500
            Re: telnetd for GNO? D Finnigan <dog_cow@macgui.com> - 2016-01-11 18:41 +0000
              Re: telnetd for GNO? Steven Hirsch <snhirsch@gmail.com> - 2016-01-11 19:05 -0500
                Re: telnetd for GNO? D Finnigan <dog_cow@macgui.com> - 2016-01-12 18:56 +0000
    Re: telnetd for GNO? D Finnigan <dog_cow@macgui.com> - 2016-01-05 20:56 +0000
      Re: telnetd for GNO? stlhood <stlhood@gmail.com> - 2016-01-06 00:18 -0800

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