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Re: Interesting article on DOS

Subject: Re: Interesting article on DOS
From: sicklittlemonkey <nick.westgate@gmail.com>
Date: Thu, 4 Apr 2013 03:12:27 -0700 (PDT)
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On Thursday, 4 April 2013 05:11:30 UTC+13, waynej...@gmail.com  wrote:
> http://news.cnet.com/8301-13579_3-57577597-37/the-untold-story-behind-apples-$13000-operating-system/

Wow, thanks for the tip! The Digibarn scans are a fascinating read for Disk II fans:
http://www.digibarn.com/collections/business-docs/apple-II-DOS/index.html

Looks like the original "minifloppy" track image was (M)FM-like, 4+4 encoded blocks of 512 nibble sectors:
http://www.digibarn.com/collections/business-docs/apple-II-DOS/DigiBarn-ShepApple2DOS-22A.jpg
http://www.digibarn.com/collections/business-docs/apple-II-DOS/DigiBarn-ShepApple2DOS-37A.jpg

And the original sacred 32-cycle loop:
http://www.digibarn.com/collections/business-docs/apple-II-DOS/DigiBarn-ShepApple2DOS-11A.jpg

Cheers,
Nick.

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References:
- Interesting article on DOS
  - From: waynejstewart@gmail.com

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