Re: Porting GSOS to Single board computers

From	Michael Black <et472@ncf.ca>
Newsgroups	comp.sys.apple2
Subject	Re: Porting GSOS to Single board computers
Date	2015-10-28 14:59 -0400
Organization	National Capital Freenet, Ottawa, Ontario, Canada
Message-ID	<alpine.LNX.2.02.1510281457290.31594@darkstar.example.org> (permalink)
References	<thej-1438806539@macgui.com> <alpine.LNX.2.02.1508130020580.32413@darkstar.example.org> <6c526afb-678b-4a31-8632-a96c7092d39f@googlegroups.com> <50ef7284-a8de-4174-a923-b6252572ce5a@googlegroups.com> <n0r1gv$rio$1@dont-email.me>

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On Wed, 28 Oct 2015, Scott Alfter wrote:

> In article <50ef7284-a8de-4174-a923-b6252572ce5a@googlegroups.com>,
> John Brooks  <jbrooks@blueshiftinc.com> wrote:
>> But yes, it would be possible in theory to standardize the RPi HW, OS,
>> USB devies, & drivers. But what about users who have data on 5.25, 3.5,
>> Iomega ZIP drives, or custom I/O cards?
>
> Zip drives are available in USB.
>
> As for floppies, while there are gadgets such as the FC5025 that attach
> floppy drives to USB for purposes of reading old formats, perhaps emulators
> would be better served by a gadget that implements more of the floppy-drive
> interface hardware for a targeted machine.  For an Apple II floppy
> interface, you'd probably want a Disk II controller workalike, plus a 6502
> and a small amount of RAM.  Transfer disk-read code into the adapter's RAM
> from the host, and you can read/write/format disks from within an emulator
> that supports the adapter.
>
But the PI is so much faster than the Apple II, it can probably handle 
transfers so much better.  Given the hardware built into the PI, one can 
maybe just build some of the floppy drive board.  I don't know if it works 
fast enough that interrupts aren't a problem.

   Michael

Thread

Porting GSOS to Single board computers TheJ <thej@shaw.ca> - 2015-08-05 20:27 +0000
  Re: Porting GSOS to Single board computers Steve Nickolas <usotsuki@buric.co> - 2015-08-06 06:01 +0200
    Re: Porting GSOS to Single board computers Michael J. Mahon <mjmahon@aol.com> - 2015-08-05 23:46 -0500
      Re: Porting GSOS to Single board computers TheJ <thej@shaw.ca> - 2015-08-06 05:22 +0000
        Re: Porting GSOS to Single board computers Stavros Karatsoridis <skaratso@gmail.com> - 2015-08-06 06:31 -0700
          Re: Porting GSOS to Single board computers TheJ <thej@shaw.ca> - 2015-08-06 17:28 +0000
            Re: Porting GSOS to Single board computers Stavros Karatsoridis <skaratso@gmail.com> - 2015-08-06 13:19 -0700
            Re: Porting GSOS to Single board computers wssimms@gmail.com - 2015-08-06 17:55 -0700
  Re: Porting GSOS to Single board computers Gordon Henderson <gordon+usenet@drogon.net> - 2015-08-06 11:30 +0000
  Re: Porting GSOS to Single board computers Benoit0123 <bgilon@free.fr> - 2015-08-10 14:56 +0000
    Re: Porting GSOS to Single board computers sicklittlemonkey <nick.westgate@gmail.com> - 2015-08-12 05:18 -0700
      Re: Porting GSOS to Single board computers David Schmidt <schmidtd@my-deja.com> - 2015-08-12 16:00 -0400
      Re: Porting GSOS to Single board computers Michael Black <et472@ncf.ca> - 2015-08-13 00:22 -0400
        Re: Porting GSOS to Single board computers wssimms@gmail.com - 2015-08-12 17:49 -0700
          Re: Porting GSOS to Single board computers misterlott@gmail.com - 2015-10-26 14:47 -0700
            Re: Porting GSOS to Single board computers Don Bruder <dakidd@sonic.net> - 2015-10-26 15:27 -0700
          Re: Porting GSOS to Single board computers John Brooks <jbrooks@blueshiftinc.com> - 2015-10-26 16:24 -0700
            Re: Porting GSOS to Single board computers D Finnigan <dog_cow@macgui.com> - 2015-10-27 14:29 +0000
              Re: Porting GSOS to Single board computers Michael J. Mahon <mjmahon@aol.com> - 2015-10-27 17:08 -0500
                Re: Porting GSOS to Single board computers D Finnigan <dog_cow@macgui.com> - 2015-10-28 00:51 +0000
                Re: Porting GSOS to Single board computers Michael J. Mahon <mjmahon@aol.com> - 2015-10-28 15:06 -0500
              Re: Porting GSOS to Single board computers misterlott@gmail.com - 2015-10-30 12:40 -0700
            Re: Porting GSOS to Single board computers scott@alfter.diespammersdie.us (Scott Alfter) - 2015-10-28 17:43 +0000
              Re: Porting GSOS to Single board computers Michael Black <et472@ncf.ca> - 2015-10-28 14:59 -0400
                Re: Porting GSOS to Single board computers scott@alfter.diespammersdie.us (Scott Alfter) - 2015-10-29 16:16 +0000
                Re: Porting GSOS to Single board computers Gordon Henderson <gordon+usenet@drogon.net> - 2015-11-01 10:55 +0000

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