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1987-11-24
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D86 debugger package V3.11 November 24, 1987
The entire package is Copyright (C)1986-1987 Eric Isaacson.
All rights reserved.
For easier bulletin-board distribution, I have split this package
into two ARC files, D86V311A.ARC and D86V311B.ARC. The first file
contains enough to get you started; you can evaluate the package
and then download the second file later on.
PLEASE read Chapter 1 for legal terms and conditions, how to
register for the package, and an overview of the debugger.
If you bought a D86 disk from a $5-per-disk distribution house
and are taken aback because you now find you must pay me for the
right to use D86, please read the QUESTION and ANSWER from the
00README.DOC file of the A86 package.
The D86 package consists of the two programs D86.COM and A86.COM;
a collection of source and batch files used by the demonstration
in Chapter 2 and instructions in Chapter 3, and a sequence of DOC
files that, when printed out in order, make the manual. Each
chapter is a DOC file whose name starts with 2 digits indicating
the chapter number. The files are:
00READ.DOC (this file) 07DFLOAT.DOC
01INTROD.DOC 08QUEST.DOC
02DEM.DOC 09HIST.DOC
03REQ.DOC 10INDEX.DOC
04CONTRL.DOC
05COMMAN.DOC
06MEMORY.DOC
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TABLE OF CONTENTS
CHAPTER 1 INTRODUCTION AND LEGAL TERMS
Introduction 1-1
Legal Terms and Conditions 1-1
Overview of D86 1-3
Who IS That Guy? 1-4
Support Your Local Bulletin Board 1-4
How to Get in Touch With Me 1-5
CHAPTER 2 D86 DEMONSTRATION
CHAPTER 3 REQUIREMENTS AND OPERATION
System Requirements for D86 3-1
Invoking D86 3-1
Finding the Program File 3-1
Finding the Symbols File 3-2
Two-Screen Debugging with +V 3-3
The D86 Screen Display 3-3
D86 Commands 3-4
Immediate Assembly-Language Commands 3-4
Entering Instructions Into Memory 3-5
Entering Data into 8086 Memory 3-5
Adding Symbols to a Program 3-6
What to Do if D86 Doesn't Work on Your Computer 3-6
If You'd Like to Be Ambitious 3-7
Keyboard Mapping Chart 3-8
CHAPTER 4 D86 CONTROL KEYS
Display Control Keys 4-1
Instruction Pointer Positioning Control Keys 4-2
Program Execution Control Keys 4-4
Special Action Control Keys 4-4
CHAPTER 5 COMMAND LANGUAGE
General Operands to Debugger Commands 5-1
Format of Debugger Command Examples 5-1
The Debugger Command Set 5-1
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CHAPTER 6 MEMORY DISPLAY OPTIONS
Memory Display Windows 6-1
Single-Line Memory Windows 6-1
Erasing Memory Display Lines 6-2
Continuation Lines 6-3
Mixed Format Specification 6-3
Numbers in a Format Specification 6-3
Spacing Between Memory-Display Units 6-4
Special-Action Format Specifiers 6-4
The Data Memory Window 6-8
CHAPTER 7 FLOATING POINT DEBUGGING
The Floating-Point Display Window 7-1
Exotic Flavors of Floating-Point Numbers 7-3
CHAPTER 8 COMMONLY ASKED QUESTIONS
Setting Registers 8-1
Modifying Memory 8-1
Screen Problems 8-2
Debugging ROM 8-3
CHAPTER 9 RELEASE HISTORY AND FUTURE PLANS
Release History of D86 9-1
Future Plans 9-2