Chapter 16. The Debug Registers

The Previous Chapter

This chapter provided a detailed description Virtual 8086 Mode (VM86 Mode). This description is directly applicable to all subsequent IA32 processors. VM86 Mode was enhanced starting with the advent of the Pentium® processor and a detailed description of those enhancements can be found in “VM86 Extensions” on page 490.

This Chapter

This chapter provides a detailed description of the Debug register set. This description is directly applicable to all subsequent IA32 processors. This feature was enhanced starting with the advent of the Pentium® processor and a detailed description of the enhancement can be found in “Debug Extension” on page 497.

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