Question

9. (20 points): For each of the following instructions, indicate what type of instruction it is. Your choices are (a) data movement, (b) arithmetic, (c) logical, (d) shift, (e) bit, (f) compare, or (g) control bit logic BSET #5, D1 LSR #1, D2 AND #%11110000,OS logical SUB D4, D5 0sithmti 121 MOVE #9610111010, DO data move runt V BMI REPEAT logital 10. (20 points): Show the values of DO and D1 after each instruction Assembly expression Do D1 2 MOVE #3,DO MOVE #2:D1 ADD DO,D1 SUB D1,DO NEG DO SUB DO,D1 2 6 2 2 2- 2. 2.

Answer 1

Question 9:

Instruction BSE #5,D1 LSR #1, D2 AND #9611110000, D3 |Logical SUB D4, D5 MOVE #9611110000. DO Data Movement BMI REPEAT Comments BSE is bit set enable instruction which is of bit type instruction LSR is logical shift right which is of shift type instruction AND is a logical instruction Subtract is Arithmetic instruction Move is data movement instruction BMI is a branch instruction which is control tyoe instruction Bit Shift Arithmetic Control

10:

Instruction DO D1 Comments MOVE #3, DO | 3 | na D0-3 MOVE #2, D1 | 3 | 2 | D1-2 ADD DO, D1 35 D1- DO+ D1 SUB D1, DO 25 D0 DO D1 NEG DO SUB DO,D1