Q1: Consider the following instruction: Instruction1: AND Rd,Rs,Rt Instruction 2: SUB Rd, Rs, Rt

Systems Architecture
7th Edition
ISBN:9781305080195
Author:Stephen D. Burd
Publisher:Stephen D. Burd
Chapter4: Processor Technology And Architecture
Section: Chapter Questions
Problem 15VE: A(n) ________________ instruction always alters the instruction execution sequence. A(n)...
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Give for both the instructions

Q 1: Consider the following instruction:
Instruction1: AND Rd,Rs,Rt
Instruction 2: SUB Rd, Rs, Rt
a. What are the values of control signals generated by the control in Figure 1 for the above instruction?
b. Which resources (blocks) perform a useful function for this instruction?
c. Which resources (blocks) produce outputs, but their outputs are not used for this instruction?
d. Which resources produce no outputs for this instruction
Branch
Add
M
Add
ALU operation
Data
MemWrite
Register #
Registers
Register #
PC
Address Instruction
ALU
Address
Zero
Data
Instruction
memory
memory
Register # RegWrite
Data
MemRead
Control
Figl
Transcribed Image Text:Q 1: Consider the following instruction: Instruction1: AND Rd,Rs,Rt Instruction 2: SUB Rd, Rs, Rt a. What are the values of control signals generated by the control in Figure 1 for the above instruction? b. Which resources (blocks) perform a useful function for this instruction? c. Which resources (blocks) produce outputs, but their outputs are not used for this instruction? d. Which resources produce no outputs for this instruction Branch Add M Add ALU operation Data MemWrite Register # Registers Register # PC Address Instruction ALU Address Zero Data Instruction memory memory Register # RegWrite Data MemRead Control Figl
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