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FSDirs.doc
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1990-03-24
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Fast Smooth Dirs V1.3 © Chris Hames
-----------------------------------
SIZE:1096
If you get sick of waiting for your floppies to get a directory
whether it be the AmigaDOG List command, or the open file requestor in
your favourite program, here is the program for you. It the patches File
System for all your floppies so that when a program gets a directory
it uses my code which should mean big speed increase! It also cuts down
the grinding of the drive moving from track to track by reading them
in a sorted(As much as possible) order.
Just put FSDirs in your startup-sequence(you don't have to run it
either!) and live with much more acceptable floppy directory reads. Your
drives should benifit as well(They won't have to grind back and forth so
much). Note: sometimes your drive motor won't turn off and you will
loose 512bytes of memory, sorry, but this occurs when you stop getting a
directory before a program gets all the directory. The motor should turn
off next time you access the drive.
This is a FreeWare program, it may be distributed in any manner as
long as it is accompanied by this .doc file both unaltered but not for
profit(unless you have my permission). I will gladly accept donations
in any form for my work. Any Software company want 18 year old
C/Assembler programmer who is currently getting bored out of his mind in
first year Computer Science at Monash Uni ?
Mail:- Chris Hames
6 Pamela Crt
Blackburn South
VIC 3130
Australia
All use of this program is at your own risk, and no liability or
responsibilty is assumed by me.
TecInfo:
FSDirs attaches itself to each Floppy File System packet processing
code. Each ExNext goes to my code which reads in the blocks in the best
possible order to keep disk reads and steps down to a minimun.
Credit:
Bryce Nesbitt for the idea.
History:
1.0 26 Sept 89 Steve got me sidetracked again. First release.
1.1 27 Sept 89 Bug fix - Now works with 1,3 or 4 floppies. Idiot!
1.2 29 Sept 89 Better sort method - Less disk grind.
1.3 24 Nov 89 The Best sort method and up to 2 times faster!