Re: New idea HD for C=

From: Andrew Vardy (avardy_at_roadrunner.nf.net)
Date: 1999-09-11 22:19:15

Date sent:      	Tue, 7 Sep 1999 14:59:23 +0100 (BST)
From:           	Richard Atkinson <rga24@hermes.cam.ac.uk>
To:             	cbm-hackers@dot.tcm.hut.fi
Subject:        	Re: New idea HD for C=
Send reply to:  	cbm-hackers@dot.tcm.hut.fi

> On Tue, 7 Sep 1999, [ISO-8859-1] Marko Mäkelä wrote:
> 
> > > Where is the directory converted to a PRG file, in the c64 kernal?
> > 
> > In the disk drive.
> 
> Is there an online source listing of the 1541 DOS where I can examine the
> routine that translates filetype number into 3 text bytes (and 2 symbols)?
> What I'd like to do is create a new filetype and make the drive include it
> in directory listings.
> 

Good question.

> Perhaps I am reinventing the wheel here - how did the 1581 do
> subdirectories?
> 

It's 'file' T&S pointed to the track where the partition started.  And 
at that place, a whole standard 1581 directory structure was 
duplicated.  Gives you again the maximum number of file entries.

But no back tracking entries for root.

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