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Show what is in the accumulator after each of the following sequences runs. SETB C MOV R3, #42h MOV a, #56h IMOV A, #oon MOV R1, #3 XRL A, #0AAH ADDC A, yYu MOV A, @R1 ANL A, #0EE. MOV ACC.3 , C ADD A 3 ORL A, #55h RRC A A= A= A=

Show what is in the accumulator after each of the following sequences runs. SETB C MOV R3, #42h MOV a, #56h IMOV A, #oon MOV R1, #3 XRL A, #0AAH ADDC A, yYu MOV A, @R1 ANL A, #0EE. MOV ACC.3 , C ADD A 3 ORL A, #55h RRC A A= A= A=

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...
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1. Show what is in the accumulator after each of the following sequences runs. SETB C MOV R3, #42h MOV R1, #3 MOV A, @R1 MOV a, #56h XRL A, #0AAH ADDC A, #9y ANL A. #0EEh MOV ACC.3, C ADD A_3 ORL A, #55 h RRC A A= A= A= 2. Write an 8051 assembly language program to copy the data from port P3, swap nibbles and copy to port P1. 3. Write a loop which fills all of data memory (0 to 255) with zeros. Use 8051 assembly language.
Transcribed Image Text:1. Show what is in the accumulator after each of the following sequences runs. SETB C MOV R3, #42h MOV R1, #3 MOV A, @R1 MOV a, #56h XRL A, #0AAH ADDC A, #9y ANL A. #0EEh MOV ACC.3, C ADD A_3 ORL A, #55 h RRC A A= A= A= 2. Write an 8051 assembly language program to copy the data from port P3, swap nibbles and copy to port P1. 3. Write a loop which fills all of data memory (0 to 255) with zeros. Use 8051 assembly language.
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