Over the coming weeks (or maybe months or even years), I’ll be
posting a series of articles introducing you to the glorious,
glamorous world of assembly language programming for the 6502
series of microprocessors. While, sure, there are plenty of
other languages out there, and in this day and age, assembly is
something of a line of last resort among “modern” computer
programmers, on the Apple II, assembly remains the optimal way
to build software for the best possible performance.  However,
assembly language can be a little scary to newcomers, with a lot
of seemingly cryptic stuff to look at and somewhat daunting code
listings.  My intention with this series of articles is to
introduce assembly language in a gentle, easy to manage way,
taking very small steps. This will have two advantages:    1. It
should make it easier for you to follow and learn.   2. It will
reduce the size and complexity of articles, thereby hopefully
letting me post more often. This will make Sean very happy.  The
first thing you need t