Computer System Architecture - BUN instruction

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Computer system architecture BY: DRISHTI BHALLA BTECH CSE 1838

Transcript of Computer System Architecture - BUN instruction

Computer system architecture BY: DRISHTI BHALLA

BTECH CSE1838

BUN INSTRUCTION1. Direct

2. Indirect

• BUN

• Opcode =8

PC <- AR

• BUN_I

• Opcode =9

AR <- Main[AR]

PC <- AR

BEFORE

EXECUTION…

DIRECT :

AC=A937

PC=022

Main[AR]=082

AFTER EXECUTION…

BEFORE EXECUTION…INDIRECT :

AC=A937

PC=022

Main[AR]=298

Main[298]=B8F2

AFTER EXECUTION…

THANK YOU !!!!