18 Addressing Modes(NOT ASSESSED)

Question 1

The most common addressing modes are:

Answer 1

• Direct Addressing
• Indirect Addressing
• Immediate Addressing
• Relative Addressing

Question 2

Direct Addressing

Answer 2

The value to be referenced is obtained by specifying its memory address or register directly in the instruction.

Question 3

Example of Direct addressing

MOVE A, B

Answer 3

Question 4

Example of Direct addressing?

MOVE A, $0F

Answer 4

Question 5

Indirect Addressing

Answer 5

The value of the source specifies the memory address that contains the data to be copied to the destination register.

Question 6

Indirect Addressing

MOVE A, (B)

Answer 6

Question 7

Indirect Addressing

MOVE A, ($0F)

Answer 7

Question 8

Immediate Addressing

Answer 8

The value to be referenced is used as an operand of the instruction.

Question 9

Immediate Addressing

MOVE A, #$1F

Answer 9

Question 10

Relative Addressing

Answer 10

This mode is used for branching to a certain instruction. This addressing mode affects the PC.

Question 11

Relative Addressing

JMP #distance

Answer 11

Question 12

Addressing modes in High risc?

Answer 12