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Article #1271Re: Parallel port I/O (mostly O : -)
From: Jon Zeeff
Date: Fri, 04 Sep 1992 00:01
Date: Fri, 04 Sep 1992 00:01
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>}I know that there is also a way to access the LPT port directly thru the >}in/out commands and its 3 I/O registers. Are there any advantages (in >}terms of speed) in using interrupt driven parralel I/O, as compared to >}INT17 BIOS service as I have used it - if there is, how much, and is >}it doable in C?? I can just about read assembler, but that's about it. Does anyone have some code that does this? Preferably something callable from Microsoft C? Any idea what rate one might get to a HP LaserJet III? -- Jon Zeeff NIC handle JZ jon@ais.org zeeff@b-tech.ann-arbor.mi.us
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Newsgroups: comp.os.msdos.programmer Path: arc1-ca.pugleaf.net!sparky!uunet!wupost!gumby!destroyer!ais.org!b-tech!zeeff From: zeeff@b-tech.ann-arbor.mi.us (Jon Zeeff) Subject: Re: Parallel port I/O (mostly O : -) Message-ID: <NKBPM7&@b-tech.uucp> Organization: UMCC, Ann Arbor, MI References: <1992Aug19.135359.24909@bas-a.bcc.ac.uk> <Bt9Ly4.7sD.2@cs.cmu.edu> Date: Fri, 4 Sep 92 00:01:03 GMT Lines: 13