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Activity: if the possible operation codes are 100010dw or 1011wreg and DS=C...

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Activity:

if the possible operation codes are 100010dw or 1011wreg and DS=CS=SS=073F, AX=0210, BX=0400, CX=4587, SI=0002, DI=0008, BP=0100, ARRAY=0100 and ARRAY contains BA

  • Complete the following table by giving the logical and physical addresses, the memory space content after execution of the instruction and the machine code/instruction's different code fields and operand values of the defined first code segment instructions.
  • Give the offset, the immediate value, addresses and content in hexadecimal. The explicit operation code and addressing mode value should be in binary.
  • If the part is not needed, you must indicate it by a slash / , as in the given example.
  • Transcribe your answers in uppercase letters.

Machine Code

Operation Code

Addressing Mode

Offset

(in HEXA)

Value

(in HEXA)

Log @

Seg_num:Offset

Phy @

Memory Content

Instruction

MO

REG

REG/M

ex: BA4000

10111010

/

/

/

/

40

/

/

/

MOV DX, 40h

00

 

MOV ARRAY[SI], AX

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