Re: EGA Memory Map

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#1117

From: AMBAT SASI S/O PALISSERY P
Date: Tue, 13 Oct 1992 00:08

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programming in 16 color graphics modes requires u to access the card
not just the display memory as the color bitplanes r in use.
on initialising the mode by dos intr all planes r set to enable.
So writing to 1 bit, writes thru to the 4 planes giving u white
(b^1111).
refer to VGA.DOC for card reg info.
it's scattered all over internet.

sasi.

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Message-ID: <1992Oct13.000833.27883@nuscc.nus.sg>

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References: <1992Oct11.195211.10583@mnemosyne.cs.du.edu>

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Path: arc1-ca.pugleaf.net!sparky!uunet!charon.amdahl.com!pacbell.com!att-out!rutgers!jvnc.net!nuscc!nusunix3.nus.sg!isc30108
From: isc30108@nusunix1.nus.sg (AMBAT SASI S/O PALISSERY P)
Newsgroups: rec.games.programmer
Subject: Re: EGA Memory Map
Message-ID: <1992Oct13.000833.27883@nuscc.nus.sg>
Date: 13 Oct 92 00:08:33 GMT
References: <1992Oct11.195211.10583@mnemosyne.cs.du.edu>
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