Execution of a full instruction - computer architecture, Computer Engineering

Execution of a full Instruction:

Regard as the instruction:

Add (R3), R1

  • Executing this particular instruction needed the below described actions:

a) Fetch the instruction

b) Fetch the primary operand (the contents of the memory location pointed to by R3)

c) Perform the addition operation

d) Load the result into R1register

Control Sequence for instruction Add (R3), R1:

  • PCout, MARin, Read, Select4, Add, Zin
  • Zout, PCin, Yin, Wait for the MFC
  • MDRout, IRin
  • R3out, MARin, Read
  • R1out, Yin, Wait for MFC
  • MDRout, Select Y, Add, Zin
  • Zout, R1in, End

Branch Instructions:

  • PCout, MARin, Read, Select4, Add, Zin
  • Zout, PCin, Yin, Wait for the MFC (WFMC)
  • MDRout, Irin
  • offset_field_of_IRout, Add, Zin
  • Zout, PCin, End

 

Posted Date: 10/13/2012 6:47:03 AM | Location : United States







Related Discussions:- Execution of a full instruction - computer architecture, Assignment Help, Ask Question on Execution of a full instruction - computer architecture, Get Answer, Expert's Help, Execution of a full instruction - computer architecture Discussions

Write discussion on Execution of a full instruction - computer architecture
Your posts are moderated
Related Questions
What is ternary association Associations can be binary, ternary, or have higher order. In use, the vast majority of it is binary or ternary associations. Except a ternary assoc

Explain any three policies for process scheduling that uses resource consumption information. All three policies for process scheduling are explained below in brief: 1. Fi

Two popular encryption techniques to ensute secured transactions on the net? 1. Translation table 2. Word/byte rotation and XOR bit masking.

Rational RequisitePro is a needed management tool that helps project teams control the development process. RequisitePro organizes your requirements by linking Microsoft Word to a

Q. How to load DOS from Floppy Disk? If DOS is not setup on the Hard Disk of your PC, or you want to load DOS from the Floppy disk drive due to any reason, follow these steps:

What are the major components of a web browser? A browser contains a set of clients, a controller and a set of interpreters which manages them. All browsers must have an HTML

This is a high-level matrix/array language with control flow statements, functions, data structures, input/output, and object-oriented programming features. It permits both "progra

Server can interact with more than one client with using threading concepts there are java threads which are allocated to each client when he logs in to server, the thread handles

What are the events used for page headers and footers? The events TOP-OF-PAGE and END-OF-PAGE are used for pager headers and footers.

Explain the Feasibility Study This includes writing a report to convince management of the merits of adopting proposed new system. Some features of the study comprise: T