Instruction Set of 8085 Microprocessor – Exercise – 1

6. Which of the following has immediate addressing mode :

(a) MVI B, 25H
(b) LDA 3400H
(c) STAX H
(d) MOV A, M

7. Which of the following has implicit addressing mode :

(a) MVI B, 25H
(b) LDA 3400H
(c) ADC B
(d) RAL

8. Which of the following has direct addressing mode :

(a) STA 4567H
(b) STAX B
(c) ADI, 30H
(d) SUB M

9. Which of the following has indirect addressing mode :

(a) STA 4567H
(b) STAX B
(c) ADI, 30H
(d) SUB C

10. Which of the following has register addressing mode :

(a) DAD B
(b) STAX B
(c) ADI, 30H
(d) SUB M

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