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- Path: sparky!uunet!stanford.edu!apple!dlyons
- From: dlyons@Apple.COM (David A Lyons)
- Newsgroups: comp.sys.apple2
- Subject: Re: More on printing!
- Message-ID: <75666@apple.apple.COM>
- Date: 16 Dec 92 17:44:42 GMT
- References: <1992Dec15.233430.29905@slate.mines.colorado.edu>
- Organization: Apple Computer Inc, Cupertino, CA
- Lines: 27
-
- In article <1992Dec15.233430.29905@slate.mines.colorado.edu> gdesroch@slate.mines.colorado.edu (DESROCHERS GARY FREDERIC) writes:
- >[...] I am now in ProDOS 8. I want to identify a printer and I want to
- >exclude all the other ports that could not possibly be printers. How can I
- >do this. Remember this is only on the IIgs. The firmware reference says
- >that it can only be in slots one and two. Is this the case? Let's
- >speculate that it isn't the case. Let's step through the list of block
- >devices for ProDOS 8. [...]
-
- I don't see how examining the ProDOS 8 block device list helps at all...
- there can be a printer card in the same slot that P8 is using for a
- "remapped" block device.
-
- The GS Firmware Reference must be talking about the built-in serial
- ports, which are indeed slots 1 and 2, when they are chosen in the
- Control Panel. But the user could easily have a printer card in any
- slot.
-
- So it seems you should examine $00/Cnxx to see which slots have the
- right ID bytes to follow the BASIC or Pascal character I/O conventions.
- There is information in the Firmware Reference and the Technical Notes
- (especially Apple II Miscellaneous #8, for the Pascal ID bytes).
- --
- David A. Lyons, Apple Computer, Inc. | DAL Systems
- Apple II System Software Engineer | P.O. Box 875
- Internet:dlyons@apple.com | Cupertino, CA 95015-0875
-
- My opinions are my own, not Apple's.
-