This chapter describes the 80386 application programming environment as seen by assembly language programmers when the processor is executing in protected mode. The chapter introduces programmers to those features of the 80386 architecture that directly affect the design and implementation of 80386 applications programs. Other chapters discuss 80386 features that relate to systems programming or to compatibility with other processors of the 8086 family.
The basic programming model consists of these aspects:
This chapter contains a section for each aspect of the architecture that is normally visible to applications.
2.1 Memory Organization and Segmentation
2.2 Data Types
2.3 Registers
2.4 Instruction Format
2.5 Operand Selection
2.6 Interrupts and Exceptions
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