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Identify the addressing mode of following instructions & explain their meaning.
written 5.4 years ago by gravatar for teamques10 teamques10 ★ 65k •   modified 5.1 years ago
  1. MOV AX,1000
  2. MOV AX,[1000]
  3. MOV AX,BX
  4. MOV[BX],AX
  5. MOV AX,[SI + 200]
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written 5.1 years ago by gravatar for teamques10 teamques10 ★ 65k

1. MOV AX,1000

  • It uses immediate addressing mode.

  • The value 1000 immediately copied in AX.

2. MOV AX,[1000]

  • It uses direct addressing mode.

  • The data bytes from memory location [1001]:[1000] will be copied in (AH):(AL) registers.

3. MOV AX,BX

  • It uses register addressing mode.

  • The 16 bit data word from …

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