Apple ][ disk controller state machine

From: Sellam Ismail <>
Date: Thu Sep 6 13:32:35 2001

On Wed, 5 Sep 2001, Chandra Bajpai wrote:

> Another good source of information on the IWM is the patent issued to
> Wozniak. Go to and you should be able to dig up the
> patent and order a .pdf of it for $3.00

Why pay for something you can get for free?

Controller for magnetic disc, recorder, or the like
July 1, 1980'wozniak,+stephen'.INZZ.)&OS=in/"wozniak,+stephen"&RS=IN/"wozniak,+stephen"

Here are some other Woz patents:

Microcomputer for use with video display
January 23, 1979'wozniak,+stephen'.INZZ.)&OS=in/"wozniak,+stephen"&RS=IN/"wozniak,+stephen"

Apparatus for digitally controlling pal color display
August 12, 1980'wozniak,+stephen'.INZZ.)&OS=in/"wozniak,+stephen"&RS=IN/"wozniak,+stephen"

Digitally-controlled color signal generation means for use with display
July 14, 1981

Sellam Ismail Vintage Computer Festival
International Man of Intrigue and Danger
Received on Thu Sep 06 2001 - 13:32:35 BST

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