Re: nibtools, GCR, G64

From: silverdr_at_wfmh.org.pl
Date: Sun, 2 Jun 2013 15:32:18 +0200
Message-Id: <03B0EE50-8C04-4AB0-93DF-DDE056A7FC38@wfmh.org.pl>
On 2013-06-02, at 14:31, Groepaz wrote:

> i remember when VICE got quite some flak because it did use the same 
> (incorrect, relying on byte alignment) code =) its mostly a matter of not 
> proper specification for G64

I think the specification is OK, because I understand that the alignment can change on a per-block (header/data) basis, so it must not enforce a per-track alignment. The documentation could use a bit more explanations about things we discussed here, though.

> imho, almost irrelevant in practise.

I need to use G64 with VICE when I do some low-level operations on the disk drive but those G64 files are created with c1541, which seem to create a "crystal clean" images with all SYNC marks being exactly 40 bits, everything clearly byte aligned and sector 0 coming out as first sector within the track data. My guess is that this is hardly something what "real" [*] applications of the format can see.

* - those disks, which wouldn't work on a D64 (damaged, copy-protected, etc.) but still work on real hardware

-- 
SD!
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Received on 2013-06-02 14:00:03

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