Re: Floppy disk emulator for Lisa

From: Steve Chamberlin <steve.chamberlin_at_email.domain.hidden>
Date: Thu, 5 Mar 2015 07:50:46 -0800


That's right, you just unplug the Sony drive from the Lisa, and plug in the Floppy Emu. I hope to have the "Lisa Emu" firmware finalized and ready for download in another day or two, and meanwhile there's an older version of it here: http://www.bigmessowires.com/2015/03/01/lisa-floppy-emu-looking-good/ That older version is still missing some features though.

It's best to use one of the Mac firmwares if you're using the Floppy Emu with a Mac. I've done some limited testing of the Lisa-enabled firmware on a Mac SE, and it seems to work fine so far, but doesn't work on a Mac 512K, and the Lisa version also doesn't contain HD20 support. So they're not directly interchangeable.

On Mar 5, 2015, at 4:56 AM, snhirsch <snhirsch_at_email.domain.hidden> wrote:

> On Wednesday, March 4, 2015 at 10:02:42 PM UTC-5, Steve Chamberlin wrote:
> Good question, sorry I wasn't specific. It emulates 400k and 800k Sony floppy drives. I think Twiggy emulation with the same hardware should be eventually possible, with the right firmware support. But I don't know much about the Twiggy low-level details, nor do I have a Twiggy system to experiment with. I might look into it further in the future, but for now I think I did enough damage to my brain just trying to get the 400/800k stuff working. :-)
>
> So, to be sure I understand, I can take my current emulator (presumably with a firmware update) and simply connect it instead of the Sony drive (to the personality card in the case of a 2/5)? No cable adapter required? If so, is the firmware currently available for download? Does that firmware prevent operation with a Mac, or is it universal?
>
> Now, all we need is direct support for Unidisk 3.5 and Disk 3.5 on Apple 2 machines :-)
>
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Received on 2015-03-05 11:28:07

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