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From: clj@SAPSUCKER.SCRC.SYMBOLICS.COM.UUCP
Newsgroups: comp.sys.atari.st
Subject: Twister
Message-ID: <870323095359.3.CLJ@OOGLE-BOID.SCRC.Symbolics.COM>
Date: Mon, 23-Mar-87 09:53:00 EST
Article-I.D.: OOGLE-BO.870323095359.3.CLJ
Posted: Mon Mar 23 09:53:00 1987
Date-Received: Wed, 25-Mar-87 03:36:59 EST
Sender: daemon@ucbvax.BERKELEY.EDU
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>  From: ihnp4!inuxc!iuvax!franco@ucbvax.Berkeley.EDU
>
>                 I am not sure why the authors of twister set their formatter
>  to 400k when 410k can easily be achieved.  The following hacks to the 
>  executable will change twister to a 410k twister:
>
>  The single occurrence of HEX 0320 should be changed to 0334
>  The single occurrence of HEX 0640 should be changed to 0668
>  The single occurrence of HEX 0050 should be changed to 0052  (in third sector)

I'd feel better about doing this if some explanation were included about what
this is supposed to accomplish.  Otherwise, I can't tell if this is something on
the order of "For a real high-energy drink, substitute naptholene for the orange
juice."

(I guess from looking at the numbers that this causes cylinders 80 and 81 to be
used, but I'd rather hear it from the horse's mouth, so to speak).

I also have not noticed a measurable speedup after formatting a DS disk with twister.
I've been reading and writing VIP Professional workspace files which are about 100K bytes
long, and I do have reboot.prg in the auto folder to disable write verification.  I
haven't done enough experiments to say for certain that there is no speedup, however.