Re: Santa Cruz Operation settles Lotus lawsuit

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Article #74143

#74143

From: Chuck Bentley
Date: Thu, 04 Jul 1991 00:11

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In article <1991Jun29.182529.14227@uhura.neoucom.EDU> wtm@uhura.neoucom.EDU (Bill Mayhew) writes:
>Mircrosoft MS-DOS (formerly Seattle Ssytems QDOS) bears more than a
>passing similarity to Digital Research CP/M-86 (Control Program for
>
>The FCB (File Control Block) methodology of accessing files in
>MS-DOS was pretty much wholesale lifted from CP/M at the code interface
>level.  Basically you load a register with the function code, then
>do a long jump to the DOS handler.  This worked in both CP/M and

As well, almost all the CP/M O/S function calls were implemented.  As a
result you could take source from CP/M to MS-DOS with virtually no
changes (which I did with most all my programs.)

		..!hounix!chuckb

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arc1-ca.pugleaf.net!gmdzi!unido!math.fu-berlin.de!ira.uka.de!sol.ctr.columbia.edu!lll-winken!elroy.jpl.nasa.gov!swrinde!cs.utexas.edu!bcm!shell!nuchat!hounix!chuckb

References: <1991Jun24.074048.8539@ITcorp.com> <1991Jun25.161701.19221@bilver.uucp> <1991Jun29.182529.14227@uhura.neoucom.EDU>

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From: chuckb@hounix.uucp (Chuck Bentley)
Newsgroups: gnu.misc.discuss,comp.unix.sysv386
Subject: Re: Santa Cruz Operation settles Lotus lawsuit
Message-ID: <1991Jul4.001148.22200@hounix.uucp>
Date: 4 Jul 91 00:11:48 GMT
References: <1991Jun24.074048.8539@ITcorp.com> <1991Jun25.161701.19221@bilver.uucp> <1991Jun29.182529.14227@uhura.neoucom.EDU>
Sender: chuckb@hounix.UUCP
Organization: Houston Unix Users Group
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