Opcode 000 001 010 011 100 101 110 111 Operation O=B ALU inputs: A(7:0): 8 bit data to be operated on. This comes from the register file, read data a(R_data_a). Opcode (2:0): This picks the operation to be done. O=A^B (bitwise xor) O=A AND B (bitwise and) O=A OR B (bitwise or) O= A + B (addition) O=A - B (subtract) O(7) = 0, 0(6:0) = B (7:1) (logical shift right) O=A* B (multiplication) B (7:0): 8 bit data to be operated on. This can come from the register file, read data b (R_data_b) or the data input to the processor. ALU Outputs: 0 (7:0): The result of the ALU operation.
Opcode 000 001 010 011 100 101 110 111 Operation O=B ALU inputs: A(7:0): 8 bit data to be operated on. This comes from the register file, read data a(R_data_a). Opcode (2:0): This picks the operation to be done. O=A^B (bitwise xor) O=A AND B (bitwise and) O=A OR B (bitwise or) O= A + B (addition) O=A - B (subtract) O(7) = 0, 0(6:0) = B (7:1) (logical shift right) O=A* B (multiplication) B (7:0): 8 bit data to be operated on. This can come from the register file, read data b (R_data_b) or the data input to the processor. ALU Outputs: 0 (7:0): The result of the ALU operation.
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Question
Can u plz draw a circuit for each operation
Transcribed Image Text:Opcode
000
001
010
011
100
101
110
111
Operation
Opcode (2:0):
This picks the operation to be done.
O=B
ALU inputs:
A(7:0):
8 bit data to be operated on. This comes from the register file, read data a(R_data_a).
ALU Outputs:
0 (7:0):
The result of the ALU operation.
O=A^B (bitwise xor)
O=A AND B (bitwise and)
O=A OR B (bitwise or)
O = A + B (addition)
O=AB (subtract)
O(7) = 0, 0(6:0) = B (7:1) (logical shift right)
O=AB (multiplication)
B (7:0):
8 bit data to be operated on. This can come from the register file, read data b (R_data_b) or the
data input to the processor.
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