1- Assume that CL = 01110011 = + 115 decimal ; BL =01001111 = +79 decimal. Execute %3D %3D the following: ADD CL, BL. Is the result (signed) correct or incorrect? explain the reason? Check the flags 2-Add CX to the data stored at memory location offset=36A4h. Suppose that CX= 1155h and the content of the memory location is 33BC 3- Show that it is not possible to add CX to DS with the ADD instruction. Suppose that CX= 1122h and DS= 1234h 4- Add with carry 7AH to AL register. Suppose that AL= 12h. 5- Add with carry [BX] to AX register. Suppose BX= 1234h, AX = 3B4FH and the content of the memory location [BX] is 725AH. 6- If AX= 1122h, BX= 3474h, and the location [BX] contains 3C45h. Write a code to execute ADC AX, [BX]. 7- Write a code that adds 1 to the content of the SP register. Suppose SP= 3A56h 8- Suppose BX= 2233h, CX= 5589, DX= EB49H, BL= 23h, SI= 1234h, [SI]= 01A2h. Select a SUB instruction that will: (a) subtract BX from CX (b) subtract 0AAH from DH (e) subtract the data address by BL from CH (f) subtract the data stored (Word) by the location addressed by SI from DX 9- Choose an instruction that subtracts 1 from register BX= 33BAH 10- Write a code to execute SBB [DI– 4], DX instruction. Suppose DI= 67A5h and DX= 1357h
1- Assume that CL = 01110011 = + 115 decimal ; BL =01001111 = +79 decimal. Execute %3D %3D the following: ADD CL, BL. Is the result (signed) correct or incorrect? explain the reason? Check the flags 2-Add CX to the data stored at memory location offset=36A4h. Suppose that CX= 1155h and the content of the memory location is 33BC 3- Show that it is not possible to add CX to DS with the ADD instruction. Suppose that CX= 1122h and DS= 1234h 4- Add with carry 7AH to AL register. Suppose that AL= 12h. 5- Add with carry [BX] to AX register. Suppose BX= 1234h, AX = 3B4FH and the content of the memory location [BX] is 725AH. 6- If AX= 1122h, BX= 3474h, and the location [BX] contains 3C45h. Write a code to execute ADC AX, [BX]. 7- Write a code that adds 1 to the content of the SP register. Suppose SP= 3A56h 8- Suppose BX= 2233h, CX= 5589, DX= EB49H, BL= 23h, SI= 1234h, [SI]= 01A2h. Select a SUB instruction that will: (a) subtract BX from CX (b) subtract 0AAH from DH (e) subtract the data address by BL from CH (f) subtract the data stored (Word) by the location addressed by SI from DX 9- Choose an instruction that subtracts 1 from register BX= 33BAH 10- Write a code to execute SBB [DI– 4], DX instruction. Suppose DI= 67A5h and DX= 1357h
Computer Networking: A Top-Down Approach (7th Edition)
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Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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![Exercises:
1- Assume that CL = 01110011 = + 115 decimal ; BL =01001111 = +79 decimal. Execute
the following: ADD CL, BL. Is the result (signed) correct or incorrect? explain the
reason? Check the flags
2- Add CX to the data stored at memory location offset=36A4h. Suppose that CX= 1155h
and the content of the memory location is 33BC
3- Show that it is not possible to add CX to DS with the ADD instruction. Suppose that
CX= 1122h and DS= 1234h
4- Add with carry 7AH to AL register. Suppose that AL= 12h.
5- Add with carry [BX] to AX register. Suppose BX= 1234h, AX = 3B4FH and the content
of the memory location [BX] is 725A..
6- If AX= 1122h, BX= 3474h, and the location [BX] contains 3C45.. Write a code to
execute ADC AX, [BX].
7- Write a code that adds 1 to the content of the SP register. Suppose SP= 3A56h
8- Suppose BX= 2233h, CX= 5589, DX= EB49H, BL= 23h, SI= 1234h, [SI]= 01A2h.
Select a SUB instruction that will:
(a) subtract BX from CX
(b) subtract 0AAH from DH
(e) subtract the data address by BL from CH
(f) subtract the data stored (Word) by the location addressed by SI from DX
9- Choose an instruction that subtracts 1 from register BX= 33BAH
10- Write a code to execute SBB [DI- 4], DX instruction. Suppose DI= 67A5h and DX=
1357h](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F0ad95872-65df-4968-8a40-eb155b7a5020%2F876b2e4d-4076-4f31-aa16-f0090350ac45%2Ft49r0d7_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Exercises:
1- Assume that CL = 01110011 = + 115 decimal ; BL =01001111 = +79 decimal. Execute
the following: ADD CL, BL. Is the result (signed) correct or incorrect? explain the
reason? Check the flags
2- Add CX to the data stored at memory location offset=36A4h. Suppose that CX= 1155h
and the content of the memory location is 33BC
3- Show that it is not possible to add CX to DS with the ADD instruction. Suppose that
CX= 1122h and DS= 1234h
4- Add with carry 7AH to AL register. Suppose that AL= 12h.
5- Add with carry [BX] to AX register. Suppose BX= 1234h, AX = 3B4FH and the content
of the memory location [BX] is 725A..
6- If AX= 1122h, BX= 3474h, and the location [BX] contains 3C45.. Write a code to
execute ADC AX, [BX].
7- Write a code that adds 1 to the content of the SP register. Suppose SP= 3A56h
8- Suppose BX= 2233h, CX= 5589, DX= EB49H, BL= 23h, SI= 1234h, [SI]= 01A2h.
Select a SUB instruction that will:
(a) subtract BX from CX
(b) subtract 0AAH from DH
(e) subtract the data address by BL from CH
(f) subtract the data stored (Word) by the location addressed by SI from DX
9- Choose an instruction that subtracts 1 from register BX= 33BAH
10- Write a code to execute SBB [DI- 4], DX instruction. Suppose DI= 67A5h and DX=
1357h
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