CHAPTER 1
1.1
HOW TO USE THIS MANUAL....................................................................................... 1-2
1.2
RELATED DOCUMENTS .............................................................................................. 1-3
1.3
1.3.1
FaxBack Service ...................................................................................................... 1-4
1.3.2
1.3.2.1
on the BBS ..................................................................................................... 1-5
1.3.3
CompuServe Forums ............................................................................................... 1-6
1.3.4
World Wide Web ...................................................................................................... 1-6
1.4
TECHNICAL SUPPORT ................................................................................................ 1-6
1.5
PRODUCT LITERATURE.............................................................................................. 1-6
CHAPTER 2
2.1
ARCHITECTURAL OVERVIEW .................................................................................... 2-1
2.1.1
Execution Unit ...........................................................................................................2-2
2.1.2
Bus Interface Unit .....................................................................................................2-3
2.1.3
General Registers .....................................................................................................2-4
2.1.4
Segment Registers ...................................................................................................2-5
2.1.5
Instruction Pointer .....................................................................................................2-6
2.1.6
Flags .........................................................................................................................2-7
2.1.7
Memory Segmentation ..............................................................................................2-8
2.1.8
Logical Addresses ...................................................................................................2-10
2.1.9
2.1.10
Stack Implementation .............................................................................................2-15
2.1.11
2.2
SOFTWARE OVERVIEW ............................................................................................ 2-17
2.2.1
Instruction Set .........................................................................................................2-17
2.2.1.1
2.2.1.2
2.2.1.3
2.2.1.4
String Instructions ..........................................................................................2-22
2.2.1.5
2.2.1.6
2.2.2
Addressing Modes ..................................................................................................2-27
2.2.2.1
2.2.2.2
2.2.2.3
I/O Port Addressing .......................................................................................2-36
2.2.2.4
CONTENTS
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