Difference between revisions of "Pacman Board Theory"

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Pacman Video Circuitry<br>
<p>Pacman Video Circuitry<br>
Theory of Operations<br>
Theory of Operations</p><br>


(c) Mark Spaeth 1999
<p>(c) Mark Spaeth 1999</p>


After searching the net for info while fixing a stack of dead pacman boards,  
<p>After searching the net for info while fixing a stack of dead pacman boards, I couldn't find any documentation on the video circuitry. This document is an attempt to rectify the problem.  Since pacman uses a rotated monitor, the term horizontal will refer to things that appear on the vertical axis and vice-versa, so that the description will match the labeling on the
I couldn't find any documentation on the video circuitry. This document is
schematics (not just to confuse you).</p>
an attempt to rectify the problem.  Since pacman uses a rotated monitor,  
the term horizontal will refer to things that appear on the vertical axis
and vice-versa, so that the description will match the labeling on the
schematics (not just to confuse you).

Revision as of 10:54, 14 August 2012

Pacman Video Circuitry
Theory of Operations


(c) Mark Spaeth 1999

After searching the net for info while fixing a stack of dead pacman boards, I couldn't find any documentation on the video circuitry. This document is an attempt to rectify the problem. Since pacman uses a rotated monitor, the term horizontal will refer to things that appear on the vertical axis and vice-versa, so that the description will match the labeling on the schematics (not just to confuse you).