Explain register addressing mode, Computer Engineering

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Q. Explain Register Addressing Mode?

Operand can be a 16-bit register:

Addressing Mode

Description

Example

AX, BX, CX, DX, SI,

DI,BP,IP,CS,DS,ES,SS

Or it may be AH, AL, BH, BL,

CH, CL, DH, DL

In general, the register addressing mode is the most efficient because registers are within the CPU and do not require memory access.

MOV AL,CH

MOV AX,CX


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