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From: raymoon@dgsys.com (Raymond Moon)
Newsgroups: alt.lang.asm,comp.lang.asm.x86,news.answers,alt.answers,comp.answers
Subject: x86 Assembly Language FAQ - A86 and D86
Supersedes: <5h6e41$b4q@reader1.news.act.net>
Followup-To: alt.lang.asm,comp.lang.asm.x86
Date: 21 Apr 1997 21:26:17 GMT
Organization: MoonWare
Lines: 271
Approved: news-answers-request@MIT.EDU
Distribution: world
Expires: Tue, 20 May 1997 23:59:59 GMT
Message-ID: <5jgm1p$ijs@news.dgsys.com>
Reply-To: raymoon@moonware.dgsys.com
Summary: This is the FAQ for the x86 Assembly Language programmers for the
alt.lang.asm and comp.lang.asm.x86 newsgroups. This particular section of
the FAQ contains x86 assembly information specific to the Eric Isaacson's
shareware A86 assembler and D86 debugger.
Keywords: x86 Assemby Language ASM FAQ A86 D86
Archive-Name: assembly-language/x86/a86
Posting-Frequency: monthly (21st of every month)
Last-modified: 1997/01/06
------------------------------
Subject: 1. Introduction and Intent
This is the x86 Assembly Language FAQ for the comp.lang.asm.x86 and
alt.lang.asm newsgroups. This FAQ is posted monthly on or about the 21st
of the month on both newsgroups and news.answers, alt.answers and
comp.answers. It also is archived at the normal FAQ archival sites and the
SimTel mirror sites in the msdos/info directory. Lastly, the current
version is available from my web page as:
As text files:
http://www2.dgsys.com/~raymoon/faq/asmfaq.zip
As html documents:
http://www2.dgsys.com/~raymoon/faq/asmfaqh.zip
Currently, this FAQ is broken into six sections. The following are the
section filenames and the scope of each section of the FAQ.
assembly-language/x86/general/part1 - This is the basic portion of the FAQ
that contains information of interest to all assembly language
programmers. In general, the information contained in this portion of
the FAQ is not specific to any particular assembler.
assembly-language/x86/general/part2 - This is a continuation of the above
FAQ.
assembly-language/x86/general/part3 - This is a continuation of the above
FAQ.
assembly-language/x86/microsoft - This portion of the FAQ contains
information specific for the Microsoft MASM.
assembly-language/x86/borland - This portion of the FAQ contains
information specific for the Borland TASM.
assembly-language/x86/a86 - This portion of the FAQ contains information
specific for the Shareware A86 Assembler and D86 Debugger.
The scope and content of this FAQ is to go beyond just answering the
frequently asked questions. I am including pointers to assembly language
treasure troves that are hidden out on the internet. I believe that this
will enhance the FAQ's value not only to the novices but also to the old
hands.
For the ease of determining what has changed since the last FAQ, the Table
of Contents will have "REVISED" at the end of the subject line for all
revised subjects. If more than one FAQ revision has been missed, the "Last
Changed:" entry at the end of each subject can be used to determine which
subjects have been revised during the intervening time frame.
The information in this FAQ is free for all to use as long as you
acknowledge the source. This FAQ can be reproduced in part or in its
entirety as long as the copyright is included. This FAQ can be made
available on public servers, like ftp, gopher or WWW servers. Please do
not modify the file, such as converting it into some other format, without
prior permission of the author.
All references to files and locations are in Uniform Resource Locators
(URLs) format. Some web browser will be able to use these URLs directly as
hot links. If the format is not clear to you, get RFC 1738. It is
available from: ftp://ds.internic.net/rfc/rfc1738.txt
Suggestions for changes and comments are always welcome. They can be
posted to either newsgroup or e-mailed directly to the me.
Author: Raymond Moon, raymoon@moonware.dgsys.com
Copyright 1997 - Raymond Moon
ALL RIGHTS RESERVED
Last Changed: 6 Jan 97
------------------------------
Subject: 2. Table of Contents
1. Introduction And Intent
2. Table Of Contents
3. What is A86 Assembler and Where Can I Get It
4. Structuring Assembly Language in A86
5. A386/D386 Availability
6. A86 Source Code Site
7. Eric Isaacson's A86 Assembler and D86 Debugger Web Page
8. Acknowledgments
------------------------------
Subject: 3. What is A86 Assembler and Where Can I Get It
3.1 A86 ASSEMBLER - A86V402.ZIP
The A86 is Eric Isaacson's shareware assembler. The latest version is 4.02
and support up to the 286 instruction set. This assembler does not support
the extended registers and instructions introduced with the 386 processor.
This assembler accepts assembly language source files, and transforms them
directly into either: (1) .COM files executable under MS-DOS, starting at
offset 0100 within a code segment; (2) .OBJ files suitable for feeding to a
linker; or (3) object files starting at offset 0, suitable for copying to
ROMs. A86 is a full featured program designed to be as closely compatible
to the standard Intel/IBM assembly language as possible.
Some of A86's features are: