Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!samsung!munnari.oz.au!metro!wolfen!wraith!david
From: david@cs.uow.edu.au (David E A Wilson)
Newsgroups: comp.sys.apple2
Subject: Re: ProDOS Question
Message-ID: <914@wraith.cs.uow.edu.au>
Date: 7 Jun 90 23:31:06 GMT
References: <507.infoapple.net@pro-generic>
Organization: Dept of Computer Science, University of Wollongong, Australia
Lines: 11

sb@pro-generic.cts.com (Stephen Brown) writes:
>14 volumes were supported, which requires 14*16=224 bytes! I checked the
>reference card, and indeed, in the system global page, there are 16 places in
>the device driver address table, but two (for slot 0) are reserved. 

Slot 0, Drive 2 can be used if you patch in a pointer to an appropriate driver
and add it to the active device list. In my ProDOS 1.0 technical documentation
it has /RAM using S0,D2 rather than the current S3,D2.
Slot 0 Drive 1 cannot be used because of the special usage of volume number = 0.

David Wilson