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Computer Instructions

Computer Hardware Configuration

Subroutines

Subroutine calls are a special type of branch where we return to one instruction below the calling instruction.

Provision must be made to save the return address, since it cannot be written into ROM.

 

Microinstruction Code Format (20 bits)

 

F1, F2, F3 : Microoperation Field

CD: Condition For Branching

BR: Branch Field

AD: Address Field

 


:

  1. Advantages of Computer Data Processing.
  2. Advantages of Computer Data Processing.
  3. Arithmetic Instructions
  4. Branch Instructions
  5. COMPUTERIZING A DATA BASE
  6. Conditional Branch Instructions
  7. Data Transfer Instructions
  8. Formats of instructions
  9. Instructions of data handling
  10. Symbolic Microinstructions




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Mapping From Instruction Code To Microoperation Address | Symbolic Microinstructions

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