??? CGA question, HELP!!!

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#3821

From: Jonathan Kimball
Date: Tue, 09 Oct 1990 04:56

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I posted this a few weeks ago but got no response, so I'll try again.
 
For a program I'm writing I need to know how to toggle blinking and
underline modes, and how to detect vertical (not horizontal) retrace.
I now have this information for all popular video cards with the
exception of the CGA.  If some kind soul could please tell me what
port addresses and bits to use I would be very happy.  It would be
all I need to make the program work with CGA and would save me
getting a book. :-)
 
Jonathan Kimball
II70038 at MAINE.BITNET
II70038 at maine.caps.maine.edu

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Path: arc1-ca.pugleaf.net!utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!yale!venus!yalevm!maine!ii70038
From: II70038@MAINE.BITNET (Jonathan Kimball)
Newsgroups: comp.sys.ibm.pc.misc
Subject: ??? CGA question, HELP!!!
Message-ID: <90282.005613II70038@MAINE.BITNET>
Date: 9 Oct 90 04:56:13 GMT
Organization: University of Maine System
Lines: 13