Reading Polymorphic double density double sided disk

M H Stein dm561 at torfree.net
Sat Jan 19 15:36:49 CST 2008


Date: Fri, 18 Jan 2008 18:20:45 -0800
From: dwight elvey <dkelvey at hotmail.com>
Subject: Reading Polymorphic double density double sided disk.

<snip>
>Is there an easy way to separate track from sector using Z80 code?
>Dwight

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Might be easier in hardware with a monostable or two; if you're interested,
the Vector Graphic 10 sector HS Micropolis FDC manual on Howard's site 
might be a useful read (schematics, timing diagrams, etc.):

http://www.hartetechnologies.com/manuals/Vector%20Graphics/
Vector_Micropolis_Disk_Controller_Tech_Manual.pdf

mike




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