CHAPTER 4 Basic Instructions This chapter covers instructions used to copy data from one location to another and instructions used for integer arithmetic. It specifies what types of operands are allowed for the various instruc- tions. After studying this chapter you will know how to copy data between memory and CPU regis- ters, and between two registers. You will also know how to use 80x86 addition, subtraction, multiplication, and division instructions, and how execution of these instructions affects flags. You