Metropoli BBS
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From: Colin Ian King <cik@ukc.ac.uk>
To: ejs1
Subject: MSCDEX, NFS and Lots of CDROM Databases
Message-Id: <"leeman.yor.099:24.01.93.16.19.11"@york.ac.uk>
Status: RO

	     MSCDEX Interrupt 2f Usage for Various Databases.

  I have written a small TSR that captures all MSCDEX interrupts and logs
  them, then passes the control over to MSCDEX. The following table shows
  which function request command codes are passed to MSCDEX.

  Databases marked `None' for the AL function request command codes are
  hence easy to run under NFS. Titles using function request command codes
  00 and 0D can probably be run with MXSUB. The others are more difficult..

Database	AL Function Request Command Codes used	   Software/Supplier

1981 Census			None			CHADWYCH-HEALEY
ABI Inform			None			Proquest, UMI
Academic Abstracts 		00h, 01h, 0Ch, 0Dh	ENSCO Industries Inc
Art Index			00h, 10h		WilsonDisc
Bookbank 			None			Whitaker (BRS Software Products)
Boston Spa Conferences 		None			The British Library
British Library Catalogue 	None			CHADWYCH-HEALEY
British Newspaper Index 	None			Reasearch Publications International
Business Abstracts 		00h, 10h		WilsonDisc
CIA World Fact Book 		None			Quanta Press Inc.
Computing Archive 		None			ACM, Dataware
Deutsche Nationalbibliographie  None			CHADWYCH-HEALEY
Dissertation Abstracts 		None			Proquest, UMI
18th Century Short Title Cat.	None			The British Library
FAME 				00h, 02h, 0Dh		CD ROM Publishing Company
Bibliographie Nationale Francais None			CHADWYCH-HEALEY
The New Grolier Encyclopedia 	0Bh, 10h		Online Computer Systems Inc
INSPEC Electronics & Computing 	None			Proquest, UMI
International Books in Print 	00h, 0Dh		Saur (SRZ Berlin)
Journal of Biological Chemistry 00h, 01h, 0Ch, 0Dh	DiscPassage
LC Names 			00h, 08h		CDMarc
Library Literature 		00h, 10h		WilsonDisc
Library of the Future		None			World Library Inc
MLA Bibliography		00h, 10h		WilsonDisc
McGraw-Hill Sci&Tech Reference 	None			McGraw-Hill
Medline 			00h			CD PLUS
Multimedia Birds of America 	00h, 01h, 0Ch, 0Dh	DiscPassage
Oxford English Dictionary 	None			Oxford University Press
PsycLit 			None			SilverPlatter
Religious & Theological Abstr.	00h, 01h, 0Dh, 10h	InfoTech FindIt
Shakespeare			00h, 01h, 0Ch, 0Dh	DiscPassage
Statistical Masterfiles		None			CIS Quantum Access Inc
The Guardian 			None			CHADWYCH-HEADEY
The Presidents			None			National Geographic Society
UKOP 				None			CHADWYCH-HEALEY
Water Resources 		None			SilverPlatter

  Summary of MSCDEX AL Function Request Command Codes:

  00h 	Get Number of CD-ROM Drive Letters	
  01h	Get CD-ROM Drive Device List
  02h	Get Copyright File Name			*
  08h	Absolute Disk Read			*
  0Bh	CD-ROM Drive Check
  0Ch	MSCDEX Version
  0Dh 	Get CD-ROM Drive Letters
  10h	Send Device Request			*

	AL codes marked * are tricky to emulate using a substitude MSCDEX
  TSR over NFS. I have re-written MXSUB for my Borland C++ compiler, and
  I hope to modify it to allow me to add or remove CD-Drives from the
  drive list, making it more dynamic and flexible. I hope to add function
  request command codes 01h,0Bh,0Ch,0Dh soon to my version of MXSUB.

			Colin King, Templeman Library, University of Kent.

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