To OurCustomers.
•
The
TRS-80@ Model III
COITlputer
is a very powerful tool for business, home and
recreation. Twenty years ago, this capability would have costhundreds
of
times as
much as your Model III cost, and would have taken up an entire room.
In spite
of
its
power
and internal complexity, the Model III canbe quite simple to
operate. In fact,
you can determine
just
how'
'technical" a machine you want it to
be.
At
the simplest level
of
operation, you can use Radio Shack prepared cassette
programs. All
you
will needto know is how to load and run a cassette program, and
how to operate the cassette recorder.
If
this is where you want to start, read
Chapters 1through 6
of
the Operation Section. You may also want to read about
CLOAD and SYSTEM
in
Chapter 2
of
the Language Section.
If
you wantto write yourown programs and you are a beginner, read Chapters 1
through 6
of
the OperationSection, then startreading the book, Getting Started
with
TRS-80 BASIC. That, plus several otherRadio Shack books, canguide you to
becoming a programmerin
BASIC and Z-80 language (' 'machine code' ').
If
you already know BASIC, and especially
if
you have experience on a TRS-80
Model I, read the entire Operation Section
of
this manual, as well as the Appendix
which compares the Model I and Model III. The Model III has many unique
features andsome very important differences. A few minutes spentbefore you
press
(ENTER)
could save you hours later.
About
Manual
This manual contains operating instructions (Section
1)
and a description
of
Model
III BASIC (Section 2 and Appendix).
It
is arranged
for
easy reference, whether you
are seeking simple
or
technical information. Page numbering starts overat the
beginning
of
each chapter, and chapternumbering starts overat the beginning
of
each section. There is a comprehensive Index at the end
of
this book.
If
you are a beginner,
don't
worry about the technical parts in the Operation
Section.
The
beginning
of
each chapter is for you. (When you get to the POKE
statements, you can skip ahead to the next chapter
...
)You
don't
need to read past
Chapter6.
Then,
when you learn simple BASIC programming, you can return and
try
out
all
the'
'goodies" packed into yourModel III.
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