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design ideas for a SD-card floppy emulator

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Trash80toHP_Mini

NIGHT STALKER
re: emailing Tim Cook...somehow I don't like your chances, but it certainly is a good idea...don't ask don't get. :)
I was thinking more along the lines of contacting the woz to see if he could convince the board to release the entire remaining documentation on the Mac from the 128k up through the early PCI/603e architecture as a memorial to the Mac of old, to Steve Jobs and the rest of the Mac's developers. Retro computing is a great way to learn the basics of computing in general, which dovetails nicely with his devotion to educating young minds.

The shine is certainly absent from what were once referred to as the "Crown Jewels" of Apple. :b&w:

 

napabar

Well-known member
I was thinking a similar timeframe. Perhaps, from a hardware level, everything pre-New World ROM. Apple also has system 6 and 7.5 available for free on their site still. Would like to see System 7.x as well as 7.6, 8.0, 8.5, and 9.0.

 

Bunsen

Admin-Witchfinder-General
YAHOOOO!!!!! / holy #$%*& it worked.
:O

We're not worthy! We're not worthy!

Astounding!

Perhaps / everything pre-New World ROM.
A possible approach might be - "as much as possible, please sirs, starting with the oldest." Contacting Woz is probably not a bad idea - at the very least, he might be tickled to see someone in 2011 interrogating the old Integrated Woz Machines :)

Would like to see System 7.x as well as 7.6, 8.0, 8.5, and 9.0.
My understanding from previous discussions along these lines is that these versions integrate too much proprietary third party (ie, non-Apple) code, making chasing down all the licences a nightmare. Half of those indie developers would be out of business.

 

bigmessowires

Well-known member
I'm this close to having a read-only floppy emulator fully working now with my Mac Plus, but there's some stepping bug or glitch somewhere that's eluding me. It actually works about 95% of the time you read a sector, but then eventually a read will fail with some kind of synchronization error. I think the Mac believes it's on a different disk track than the emulator does. The Mac will start to boot from the virtual floppy disk, then give up and eject it. If I boot from a hard disk, and then insert the virtual floppy, usually I can get it to mount in the Finder and see all the file icons, but if I try to open any of the files I get an I/O error.

It must be a silly bug somewhere, but after hours of searching for the cause I still can't find it. Maybe it will make more sense tomorrow...

 

jonathan

Active member
Keep up the good work! :beige:

This is a very exciting project that I'm sure is being closely watched by a lot of hobbyists that lurk here on this forum.

I really want to build one of these sometime in the near future!

 

tt

Well-known member
I'm lurking...good work!! ::)

Hey johnathan, that's an interesting concept for your avatar you have there, do you have a higher res. available to check out?

 

bigmessowires

Well-known member
I've got it pretty much working now. Will tidy it up a little and start a new thread in the Hacks forum, since this isn't really "design ideas" anymore! :)

 
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