Tempest memory

Ok, so I don't often come across a memory problem that the tempest self test
doesn't point me to.

But today my fluke is showing me a decode error at 2c00 bit 7 . Which is
affecting vectors in game.

I'm trying to figure out which RAM chip is giving me problems short of
pulling all the chips.

Are there any documents out the explaining how memory is allocated and used
on Atari boards?

I would really like to learn how to find the correct chip or I assume narrow
down to two chips

Kevin

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Received on Mon Oct 10 00:34:49 2011