created: 07/08/01; revisions: 02/13/03; audio: 01/04/04

CHAPTER 12 — Shift Instructions and Logic Instructions

It often happens that a bit pattern must be moved left or right within a register. The instructions that do this are the shift instructions.

Chapter Topics:


QUESTION 1:

(Review:) If a bit pattern that represents an integer N (say 0110 0001) is shifted left by one bit (to 1100 0010) what integer does the new bit pattern represent?