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- Path: sparky!uunet!charon.amdahl.com!amdahl!fadden
- From: fadden@uts.amdahl.com (Andy McFadden)
- Newsgroups: comp.sys.apple2
- Subject: Re: Fast Zips
- Message-ID: <3eKJ03TD4arC00@amdahl.uts.amdahl.com>
- Date: 30 Jul 92 05:32:42 GMT
- References: <1992Jul27.210031.20138@micor.ocunix.on.ca> <1992Jul28.141402.6199@meaddata.com> <uerics.712451998@mcl>
- Organization: Amdahl Corporation, Sunnyvale CA
- Lines: 17
-
- In article <uerics.712451998@mcl> uerics@mcl.ucsb.edu (Eric D. Shepherd) writes:
- >There is a timing loop which uses the clock on the ZipGS to calibrate and
- >time the ZipGS. It calculates the speed fairly accurately, but the faster
- >the Zip, the worse the results (the error is still in the fractions of a
- >megahertz, though, in the 10MHz).
-
- Not sure what the original question was, but once upon a time I yanked the
- speed detection code out of the Zip CDA and stuck it into Zippy (a colorful
- ProDOS 8 ZipGS control utility). The source code was distributed with the
- program, so if someone wants to see the (somewhat strange) routine, look for
- Zippy v1.1 on an archive site (or I can mail it to you in BinSCII format).
-
- >Eric D. Shepherd | ACM Member | Apple II Alliance Charter Member |
-
- --
- fadden@uts.amdahl.com (Andy McFadden)
- [ Above opinions are mine, Amdahl has nothing to do with them, etc, etc. ]
-