Example: show the control signals needed to perform Add R1, R2, RO using: a. Three bus organization b. One bus organization Solution: a. Three bus organization Step Instruction type Micro-operation Control Inst-x Ro (R)+(R) Select Ry as source I on out busl (R, cut-bus I) Select R; as source 2 on out-bus2 (R out-bus2) Select Ro as destination on in-bus (Ro in-bus) Select the ALU function to

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
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Example: show the control signals needed to perform Add R1, R2, RO using:
a. Three bus organization
b. One bus organization
Solution:
a. Three bus organization
Step
Instruction type
Micro-operation
Control
Inst-x
Ro
(R) + (R;)
Select R, as source I on
out-busl (R, out-bus 1)
Select R as source 2 on
out-bus2 (R out-bus2)
to
Select Ra as destination
on in-bus (Ro in-bus)
Select the ALU function
Transcribed Image Text:Example: show the control signals needed to perform Add R1, R2, RO using: a. Three bus organization b. One bus organization Solution: a. Three bus organization Step Instruction type Micro-operation Control Inst-x Ro (R) + (R;) Select R, as source I on out-busl (R, out-bus 1) Select R as source 2 on out-bus2 (R out-bus2) to Select Ra as destination on in-bus (Ro in-bus) Select the ALU function
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