Intel 80287, 80286 manual Chapter SYSTEM-LEVEL Numeric Programming

TABLE OF CONTENTS

	Page
Comparison Instructions	2-10
Transcendental Instructions	2-12
Constant Instructions	2-14
Processor Control Instructions	2-15
Instruction Set Reference Information	2-21
Instruction Execution Time	2-21
Bus Transfers	2-22
Instruction Length	2-23
Programming Facilities	2-38
High-Level Languages	2-38
PL/M-286	2-39
ASM286	2-40
Defining Data	2-40
Records and Structures	2-41
Addressing Modes	2-42
COlTlparative Programming Example	2-43
80287 Emulation	2-45
Concurrent Processing with the 80287	2-45
Managing Concurrency	2-48
Instruction Synchronization	2-48
Data Synchronization	2-49
Error Synchronization	2-50
, Incorrect Error Synchronization	2-52
Proper Error Synchronization	2-52
CHAPTER 3
SYSTEM-LEVEL NUMERIC PROGRAMMING
80287 Architecture	3-1
Processor Extension Data Channel	3-1
Real-Address Mode and Protected Virtual-Address Mode	3-1
Dedicated and Reserved I/O Locations	3-2
Processor Initialization and Control	3-2
System Initialization	3-2
Recognizing the 80287 NPX	3-2
Configuring the Numerics Environment	3-4
Initializing the 80287	3-5
80287 Emulation	3-5
Handling Numeric Processing Exceptions	3-6
Simultaneous Exception Response	3-7
Exception Recovery·Examples	3-7
CHAPTER 4
Conditional Bra,nching Examples	4-1
Exception Handling Examples	4-3
Floating-point to ASCII Conversion Examples	4-7
Function Partitioning	4-14
Exception Considerations	4-15
Special Instructions	4-15
Description of Operation	4-15
Scalin"g the Value	4-16
Inaccur~cy in Scaling	4-16

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