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From: davidsen@steinmetz.steinmetz.UUCP (William E. Davidsen Jr)
Newsgroups: comp.sys.ibm.pc
Subject: Re: Turning off the cursor on an EGA
Message-ID: <6654@steinmetz.steinmetz.UUCP>
Date: Fri, 10-Jul-87 15:50:26 EDT
Article-I.D.: steinmet.6654
Posted: Fri Jul 10 15:50:26 1987
Date-Received: Sun, 12-Jul-87 13:03:28 EDT
References: <3508@ecsvax.UUCP>
Reply-To: davidsen@kbsvax.steinmetz.UUCP (William E. Davidsen Jr)
Organization: General Electric CRD, Schenectady, NY
Lines: 18
Keywords: EGA, CGA, MDA, Cursor, OFF, HELP, antidisestablishmentarianism

In article <3508@ecsvax.UUCP> mjg@ecsvax.UUCP (Michael Gingell) writes:
>
>Does anyone know of a reliable method of turning off the cursor on
>an EGA when running in CGA emulation mode ?.  With regular monochrome or
>color display adapters one can address the 6845 display controller thus:
... assembly code deleted ...
>However, most EGAs do not contain a 6845 nor do they fully emulate one.
>Also, the BIOS and DOS do not contain any official documented method of
>doing this via INT calls.  I seem to remember seeing this stated for a fact
>in Microsoft's Advanced MS-DOS book.  I know you can specify an illegal
>location for the cursor, or specify impossible start and end cursor scan
>lines but what is the effect of this on an EGA ?.
[ the effect is that the cursor goes away, at least setting the cursor
type with function 10h. ]
-- 
	bill davidsen		(wedu@ge-crd.arpa)
  {chinet | philabs | sesimo}!steinmetz!crdos1!davidsen
"Stupidity, like virtue, is its own reward" -me