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- Path: sparky!uunet!ukma!darwin.sura.net!haven.umd.edu!umd5!phred
- From: phred@eng.umd.edu (Stephen Krauth)
- Newsgroups: comp.sys.cbm
- Subject: Re: Decreased seek times.
- Message-ID: <16864@umd5.umd.edu>
- Date: 6 Nov 92 20:03:56 GMT
- References: <1992Oct20.003624.1876@netcom.com> <92308.181655K3027E7@ALIJKU11.BITNET> <1992Nov4.015117.7144@pimacc.pima.edu> <1992Nov4.123739.5090@doug.cae.wisc.edu>
- Sender: news@umd5.umd.edu
- Organization: College of Engineering, Maryversity von Uniland, College Park
- Lines: 30
- Originator: phred@step.eng.umd.edu
-
-
- >ObObscure things: Anybody remember those old Apple II drives? They were
- >plenty fast all by themselves, but people actually made speed up DOSes
- >for them too! They could load a 32K file in a couple of seconds...
- >given the couple of chips that Steve+Steve called their "disk controller
- >board", that was a pretty awesome feat.
- >
- > ---Joel Kolstad
-
- Yes! Since the Apple II's booted from their drives, programmers put their
- own dos on the boot block and did all kinds of optimization. I remember
- how the full high-res (well, hi-res for an Apple II) loader screen for
- SkyFox would appear about 1 second after closing the drive door.
- And I had a dos 'replacement' for disks that, as soon as the drive
- door was closed, it read the boot block, jumped to the directory track ($11
- I think) and instantly had a list of the files on the high res screen,
- with a scrolling star field in the background! It took half a second for
- all this to happen, and you selected your file (game :).
- There were disk copiers that could copy a floppy in about 15
- seconds (with two drives of course). Ahhhh.... those were the days.
- That is why I can't live without Fastload on my C64.
-
- (Please, no flames about Apple II stuff on the CBM site - I remember the
- time when Apple II and C64 users were diametrically opposed. I love both
- of them!)
- --
- _______________________________________________________________________________
-
- phred@eng.umd.edu - Stephen Krauth "Have A Nice Diurnal Anomaly!"
- _______________________________________________________________________________
-