Introduction au système d'exploitation 2
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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
| ||||||||||
8A160001
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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
- 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
| ||||||||||
BEF6FF
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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
|
|
|
|
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
- 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
| ||||||||||
BEF6FF
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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