Defining Disk Image Dump Standard

From: Sellam Ismail <foo_at_siconic.com>
Date: Wed May 31 17:10:33 2000

On 31 May 2000, Eric Smith wrote:

> They did denibblize it on-the-fly, which normal RWTS did not. In that
> sense, since they sustained the equivalent of 1:1 interleave, it was

What encoding method did it use? 4&4 or 6&2? I'll assume 6&2?

> pretty good. However, there was no reason why the same performance (but
> not density) couldn't be achieved with standard sectors. The Apple ///
> SOS disk driver pioneered this, and IIRC Prodos did it as well.

Sure, read the raw track into a buffer in memory and then process it. The
only drawback is the requirement for a relatively large buffer.

Sellam International Man of Intrigue and Danger
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Received on Wed May 31 2000 - 17:10:33 BST

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