home *** CD-ROM | disk | FTP | other *** search
- Newsgroups: comp.sys.mac.programmer
- Path: sparky!uunet!zaphod.mps.ohio-state.edu!sdd.hp.com!think.com!ames!agate!apple!mumbo.apple.com!gallant.apple.com!news
- From: bell@apple.com (Mike Bell)
- Subject: Re: Which SCC in Macs
- Sender: news@gallant.apple.com
- Message-ID: <1992Nov22.194533.18071@gallant.apple.com>
- Date: Sun, 22 Nov 1992 19:45:33 GMT
- Reply-To: bell@apple.com (Mike Bell)
- References: <1992Nov20.160405.28591@gallant.apple.com>
- Organization: Apple Computer, Inc.
- Keywords: Z85C30?, SCC, Zilog
- Lines: 58
-
-
- In article <1992Nov20.160405.28591@gallant.apple.com>, blob@gallant.apple.com
- (Brian Bechtel) writes:
- > Newsgroups: comp.sys.mac.programmer
- > Path: gallant.apple.com!blob
- > From: blob@gallant.apple.com (Brian Bechtel)
- > Subject: Re: Which SCC in Macs
- > Message-ID: <1992Nov20.160405.28591@gallant.apple.com>
- > Date: Fri, 20 Nov 1992 16:04:05 GMT
- > References: <1992Nov19.165647.11318@informatik.uni-bremen.de>
- > Organization: Apple Computer Inc.
- > Keywords: Z85C30?, SCC, Zilog
- >
- > mm@lehre9.informatik.Uni-Bremen.DE (Markus Kommant und Michael Schmidt)
- writes:
- >
- > >so, two tries to get some Information on Interrupt and SCC programming
- > >on the Mac, but no response. :-(
- >
- > >Maybe at least somebody knows if the SCC from Zilog is the Z85C30 and
- > >how and where the registers are mapped into the memory. Probably that
- > >stuff is described in "The Macintosh Family Hardware Manual" or the Mac
- > >SE Deveoper Notes, but I couldn't get my hands on that stuff yet. If
- > >anybody knows a site where to ftp anything like that ...
- >
- > You can get the "Guide to Macintosh Family Hardware" from APDA, or from
- > any bookseller who can order books from Addison-Wesley publishers in the
- > USA. The ISBN number for the 2nd (latest) edition is 0-201-52405-8.
- >
- > Developer notes are available on the developer CD series, or from APDA
- > as well. You can purchase the CD from (no suprise) APDA.
- >
- > The Zilog 8530 is the SCC chip used on everything but the IIfx and
- > Quadra 900 and 950 computers. That may or may not change in the
- > future.
-
-
-
- As a follow-up, I would just like to encourage developers not to bang the SCC
- directly (unless they ABSOLUTELY have to) to insure future compatibility.
-
-
-
- Mike
-
-
-
- ****************************************************************************
-
- Mike Bell email: bell@apple.com
- Senior Engineer
- 68000 High Performance Software Group
- MS 60-CS
- Apple Computer, Inc.
- 20525 Mariani Ave.
- Cupertino, CA 95014
-
- ****************************************************************************
-