Subj : Why $0401, $0801, $1c01? Why not $0400, $0800, $1c00?
To   : All
From : [email protected]
Date : Fri Feb 12 2021 07:27 am

Hi all,

I figure that someone here probably knows why CBM's basic RAM always started at $xx01 addresses, like $0801, $0401, $1001, $1c01 instead of $0800, $0400, $1000, $1c00?
What is sitting in that one byte, or what role is it playing?
I realize that I've always taken that for granted, but never asked myself why. Or I knew it at some point in the past and forgot.

Cheers
/Philip

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