12 Instruction Details
In Chapters 2 and 3 you learned how bit patterns can be used to represent data, and in Chapters 4–8 you learned how bits can be implemented in hardware and used to perform computations. In this chapter, we’ll look at a few details of how instructions are encoded in bit patterns that perform the computations and specify the locations of the data they operate on.
The primary goal of this chapter is to give an overall view of how computer instructions know where the data they operate on is located. The details of machine code for each instruction are not the sort of thing that people memorize. You’ll need to consult ...
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