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Text File
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1994-09-16
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7KB
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146 lines
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Review of "The Amiga Guru Book, by Ralph Babel"
Tony Preston
119 Hickory Lane
Medford, NJ 08055
.ce off
.section Overview
The first time I heard about this book was from a message in the Internet
newsgroup, comp.sys.amiga.programmer. The message said it was available
in Germany and not in the United States. It is always disappointing that the United States
is considered a secondary market for the Amiga.
I happened to have an
email address for the author and I asked him if there was any place in the United States
that I
could obtain this book. He replied to me that a German Company(See
the address below) was handling it in Europe and that currently there
was no US distributor. A few days later, I received another email message
informing me that the book had become available in the United States from Periscope
Inc(see address
below). I immediately called only to find that the book was not yet
available because it was in Customs. I was told that I should call back
in a few
days. Later in the week, I called and was able to place my order. The
point of this story is that the book is well worth the trouble! I have
been programming on my Amiga since 1985. I have many books on various
details of the OS and hardware. This book seems to have summarized many
of the key points that I have spent alot of time learning.
It is well organized, the contents covers programming, system internals,
and AmigaDos as major topics. The book is written in what I will call
a friendly easy to read style. Each chapter starts
with some quotes from people that will be familiar to most programmers,
the quotes are almost as good as the contents of the chapter!
The chapter then goes into its subject in enough detail to help even the
most experience programmer learn something new. The information is presented
so that even the newest programmer will find this book a good addition to
their library of Amiga books.
.section Programming
This section of the book covers some basics and yet included details
that I would have a hard time finding in my other books. The section
on data types has some good information on floating point. The programming
guidelines on how the stack is handled, register conventions, resource
handling, memory allocation, and other hardware details is a wealth of
information that not only would be good for the new programmer, but also
refreshes old timers on the proper methods for obtaining a resource and
releasing it. What is really nice about this chapter is that the book
has details that relate to all Amiga, old and new. Old functions are
identified and so are new ones. A great deal of work and attention to
detail makes this one section worth the price of the book. The book also
contains example code showing how to do what is described in the text.
The examples are in C and assembler. The book was written based on the
SAS/C 5.10b compiler, but also includes information comparing SAS/C with
Aztec C version 5.2b.
The section on assembly language programming goes into alot of detail about
interfacing to the Amiga OS with comparable example of C and assembly. There
are many macros in the include files. The Amiga Guru goes into a fair amount
of detail on how to use some of the more useful ones. If you get tired of
assembly language system calling conventions, the next chapter goes into
similar examples in C. One of the more useful things in this chapter is
a chart which shows where libraries and resources are defined. One of my
biggest areas of confusion is figuring out what includes I need for which
functions I am using. This section ends with a program that handles the
command line arguments from either the Workbench or CLI. It covers two
pages and is simple and straight forward. The next section is probably
the only one I have any real complaints about. It goes into a fair amount
of detail on SAS/C 5.10b. While it is well done, it also is quickly out
of date. SAS released version 6.0 which contained a different scheme for
command line arguments plus has made several updates and is now up to
version 6.51 of the compiler. The SAS/C documentation does contain this
information and will be more up to date than this book. This section of
the book does go into alot of important details on the way the compilers
work.
The next two chapters gets into some real useful things on calling routines
in amiga.lib and debugging your programs. All very useful stuff.
.section System Internals
Now we start getting into some read complex stuff. The low level software
and hardware details of the Amiga. The author starts out with some detailed
information on the way things work at boot time and proceeds into Alerts,
Gurus, and Traps. I always have wondered where developers get some of this
information, this section teaches some of the basic secrets of the system!
.section AmigaDOS
We are now almost half way through the book! We know about the hardware
and low level details of the software so it is time to get into AmigaDos!
We get a little history, and a basic tutorial of what is where in AmigaDos.
We then move on into the Console Handler, the Command Line Interface,
Error Codes, Packets and Handlers plus alot more. This section of the book
alone is worth the cost of the book.
.section Conclusion
I have not yet finished
reading the whole book, but as you can see, I have found this book a valuable
addition to my Amiga library. This is not a book for the typical user, it
does not go into using the Amiga. It is a book on programming the Amiga.
It is an indispensable reference
manual with many good examples, hints, and tables. It is a basic fundamental
piece of Amiga knowledge that is invaluable to not just the C or Assembly
language programmer. The knowledge can be used with any programming
language. The book covers all Amiga models from the A1000 up to the A4000, but
is general enough that Amiga programmers should definitely add this book
to their reading lists!
This book was published by the author, Ralph Babel so it does not have
an ISBN number. In Germany, you can get this book from:
.nf
Author: Ralph Babel
ISBN: no ISBN number
Guru-No.: 8703 8001 C7E4D9E4
Outside the United States, you can contact:
Hirsch & Wolf OHG Price: DM 79.
Mittelstrasse 33
D-56564 Neuwied
Germany
Vox: +49 (2631) 8399-0
Fax: +49 (2631) 8399-31
In the United States, you can contact:
Periscope CD'S & Tape Price: $55 plus $5 shipping
Attn: Cody Lee
1717 W. Kirby
Champaign, IL 61821
(217) 398-4CDS
I strongly recommend this book for you Amiga Library!