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- Newsgroups: alt.hackers
- Path: sparky!uunet!think.com!spdcc!das-news.harvard.edu!cantaloupe.srv.cs.cmu.edu!ralf
- From: Ralf.Brown@B.GP.CS.CMU.EDU
- Subject: Re: Ack!!! Bletch!!!
- Message-ID: <2a6c0fca@ralf>
- Date: Tue, 21 Jul 92 13:23:22 GMT
- Organization: Carnegie Mellon University School of Computer Science
- Nntp-Posting-Host: b.gp.cs.cmu.edu
- In-Reply-To: <9=dmm7p.fuzzy@netcom.com>
- Approved: Hackers don't seek approval.
- Originator: ralf@B.GP.CS.CMU.EDU
- Lines: 23
-
- In article <9=dmm7p.fuzzy@netcom.com>, fuzzy@netcom.com (Fuzzy Fox) wrote:
- }Better ObHack: Sector reshuffling on the C64, so that disk sectors are
- }no longer contiguous, allowing programs that access sequential sectors
- }to get at them more efficiently. Alas, not as successful as I had
- }hoped.
-
- I'm not surprised. The thing that passed for a disk operating system on the
- C64 does sector interleaving itself when possible. Just look at the directory
- track, where the first directory sector is 1, the second is 11 or 12, ...
- (as I recall, the sectors are interleaved so that sequentially reading a
- file gets you roughly two sectors per disk revolution, which is about all the
- standard interface can manage to transfer anyway).
-
- ObHack: Writing a termcap interface in Lisp so that my program can have
- popup windows for menus and prompts. Only thing left to do is add
- attribute controls (bold, inverse, etc).
-
-
- --
- Internet: RALF+@CS.CMU.EDU |The University would disclaim this if it knew...
- FIDO: Ralf Brown 1:129/26.1 |"Wisdom is the quality that keeps you from
- BIT: RALF%CS.CMU.EDU@CARNEGIE| getting into situations where you need it."
- AT&Tnet: (412)268-3053 school| -- Doug Larson
-