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Re: Anybody aware of the description of a 19pin connector of an Apple 5.25 Disk Drive ?
In article <d77fb4f6-5414-4cec-83a6-35e06f4de86e@googlegroups.com>,
barrym95838 <barrym95838@yahoo.com> wrote:
> You mentioned the staggering of sectors on individual tracks,
> allowing the next readable sector to appear just as the decoding of
> the previous was complete. One thing that I noticed was that DOS 3.3
> seemed to boot-load more quickly than a standard BLOAD; I read that
> the boot tracks had been carefully interleaved for optimal
> throughput, but that standard files were stored with a simpler,
> slower ordering. Have any of you guys heard about this? Were there
> any DOS 3.3 RWTS mods that took advantage of this, improving
> performance? If I'm being foolishly naive, I'm prepared for the
> beating ;-)
The utility described in the article "Living with a Language Card" from
"In Depth: All about DOS" leveraged the DOS stage two boot loader to
speed up loading a language card.
The source/code is on DOS In Depth D1:
<http://www.callapple.org/soft/ap2/indepth.html>
B 040 FASTBOOT 3.3 CREATE.S
B 006 FASTBOOT 3.3 CREATE
--
John B. Matthews
trashgod at gmail dot com
<http://sites.google.com/site/drjohnbmatthews>