Defining Disk Image Dump Standard

From: Eric Smith <eric_at_brouhaha.com>
Date: Fri Jun 2 01:01:18 2000

> The Apple ][ floppy controller/6502 doesn't decode the bytes at the
> floppy rotation speed. The 6502 copies the encoded bytes (de-serialized
> by the controller) into memory, then decodes them after the sector
> has been read. The sector interleave guarantees enough time to decode
> the data before the next sector is available to be read.

The whole point of this thread is that it *IS* possible for cleverly
written code to do 1:1 interleave without the bounce buffer.

> I agree, it is an interesting piece of code...

It's even *more* interesting.
Received on Fri Jun 02 2000 - 01:01:18 BST