Homework Help is Here – Start Your Trial Now!
Engineering
Computer Engineering
What is the machine code of the instruction "LDR R2, R1, 3"?

What is the machine code of the instruction "LDR R2, R1, 3"?

Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
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...
See similar textbooks
icon
Related questions
Question
What is the machine code of the instruction "LDR R2, R1, 3"? Select one: O a. x6644 O b. x7643 С. ХE403 O d. x6443 O e. x7444 What is the machine code of the instruction "BRp LOOP" according to the following program? Program: .ORIG х3000 LEA R1, INTE ; R1 is the location of the integer AND R3, R3, 0 ; R3 is the sum AND R2, R2, 0 ; R2 is the count of the integers ADD R2, R2, 12 BRnzp LOOP LOOP LDR R4, R1, 0 ADD R3, R3, R4 ADD R1, R1, 1 ADD R2, R2, -1 BRp LOOP EXIT TRAP 37 ; halt INTE .BLKW 12 .END Select one: O a. XF037 b. X03FB C. XF025 O d. X0FFA O e. XOE00
Transcribed Image Text:What is the machine code of the instruction "LDR R2, R1, 3"? Select one: O a. x6644 O b. x7643 С. ХE403 O d. x6443 O e. x7444 What is the machine code of the instruction "BRp LOOP" according to the following program? Program: .ORIG х3000 LEA R1, INTE ; R1 is the location of the integer AND R3, R3, 0 ; R3 is the sum AND R2, R2, 0 ; R2 is the count of the integers ADD R2, R2, 12 BRnzp LOOP LOOP LDR R4, R1, 0 ADD R3, R3, R4 ADD R1, R1, 1 ADD R2, R2, -1 BRp LOOP EXIT TRAP 37 ; halt INTE .BLKW 12 .END Select one: O a. XF037 b. X03FB C. XF025 O d. X0FFA O e. XOE00
What is the output of the program if '0' is inputted? Given that the ASCII code of 'a' is x61 and '0' is x30. Program: .ORIG x3000 LD R2, TERM ; LD R3, ASCII ; Load ASCII difference AGAIN TRAP x23 ; input character ADD R1, R2, RO ; Test for terminate BRz EXIT ; Exit if done ADD RO, RO, R3 TRAP x21 ; Output to monitor... BRnzp AGAIN TERM .FILL XFFC9 ASCII .FILL x0031 EXIT TRAP x25 ; halt .END Select one: O a. d O b. b О с. 0 O d. f O e. a What should be the value of R3 if the following program is executed (based on the initial register status)? Program: .ORIG x3000 ; The first instruction is at x3000 AND RO, RO, #0 ADD R2, RO, #2 ADD R3, RO, #3 LEA R1, #9 STR R3, R1, #3 STR R2, R1, #4 LDR R2, R1, #3 LDR R3, R1, #4 Initial Registers Status: RO: x0000 R1: x0000 R2: x0000 R3: x0000 R4: x0000 Select one: Oa. X300D ОБ. х0002 О с. х300Е O d. x0003 Ое. х300F Please explain the process
Transcribed Image Text:What is the output of the program if '0' is inputted? Given that the ASCII code of 'a' is x61 and '0' is x30. Program: .ORIG x3000 LD R2, TERM ; LD R3, ASCII ; Load ASCII difference AGAIN TRAP x23 ; input character ADD R1, R2, RO ; Test for terminate BRz EXIT ; Exit if done ADD RO, RO, R3 TRAP x21 ; Output to monitor... BRnzp AGAIN TERM .FILL XFFC9 ASCII .FILL x0031 EXIT TRAP x25 ; halt .END Select one: O a. d O b. b О с. 0 O d. f O e. a What should be the value of R3 if the following program is executed (based on the initial register status)? Program: .ORIG x3000 ; The first instruction is at x3000 AND RO, RO, #0 ADD R2, RO, #2 ADD R3, RO, #3 LEA R1, #9 STR R3, R1, #3 STR R2, R1, #4 LDR R2, R1, #3 LDR R3, R1, #4 Initial Registers Status: RO: x0000 R1: x0000 R2: x0000 R3: x0000 R4: x0000 Select one: Oa. X300D ОБ. х0002 О с. х300Е O d. x0003 Ое. х300F Please explain the process
Expert Solution
steps

Step by step

Solved in 2 steps with 4 images

SEE SOLUTIONCheck out a sample Q&A here
Blurred answer
Recommended textbooks for you
Computer Networking: A Top-Down Approach (7th Edi…
Computer Networking: A Top-Down Approach (7th Edi…
Computer Engineering
ISBN:
9780133594140
Author:
James Kurose, Keith Ross
Publisher:
PEARSON
Computer Organization and Design MIPS Edition, Fi…
Computer Organization and Design MIPS Edition, Fi…
Computer Engineering
ISBN:
9780124077263
Author:
David A. Patterson, John L. Hennessy
Publisher:
Elsevier Science
Network+ Guide to Networks (MindTap Course List)
Network+ Guide to Networks (MindTap Course List)
Computer Engineering
ISBN:
9781337569330
Author:
Jill West, Tamara Dean, Jean Andrews
Publisher:
Cengage Learning
Concepts of Database Management
Concepts of Database Management
Computer Engineering
ISBN:
9781337093422
Author:
Joy L. Starks, Philip J. Pratt, Mary Z. Last
Publisher:
Cengage Learning
Prelude to Programming
Prelude to Programming
Computer Engineering
ISBN:
9780133750423
Author:
VENIT, Stewart
Publisher:
Pearson Education
Sc Business Data Communications and Networking, T…
Sc Business Data Communications and Networking, T…
Computer Engineering
ISBN:
9781119368830
Author:
FITZGERALD
Publisher:
WILEY
SEE MORE TEXTBOOKS