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Article #312Re: bidirectional ST printer port
From: Tainter
Date: Mon, 31 Mar 1986 15:27
Date: Mon, 31 Mar 1986 15:27
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> I was hoping that the ST printer port was bidirectional, but I have seen > no documentation for it. The ST manual shows only one set of data pins > on the printer socket, and the developer's kit only talks about writing > to the printer, not reading from it. So: > > What are the pins on the printer socket for doing input to the ST? > What does the software interface look like? Is it the obvious thing > (using one of the BIOS input routines with the the printer device)? > > Dan Franklin The printer port is a bidirectional parallel port. That means the same pins used for output are used for input. The software interface is the BIOS input routines with device parameters as you suspected.
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Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Posting-Version: version B 2.10.2 9/18/84 exptools; site ihlpg.UUCP Path: arc1-ca.pugleaf.net!utzoo!watmath!clyde!cbosgd!ihnp4!ihlpg!tainter From: tainter@ihlpg.UUCP (Tainter) Newsgroups: net.micro.atari16 Subject: Re: bidirectional ST printer port Message-ID: <1747@ihlpg.UUCP> Date: Mon, 31-Mar-86 10:27:50 EST Article-I.D.: ihlpg.1747 Posted: Mon Mar 31 10:27:50 1986 Date-Received: Wed, 2-Apr-86 01:46:55 EST References: <8603270456.AA05025@ucbvax.berkeley.edu> Organization: AT&T Bell Laboratories Lines: 14