Q2 Find the number of times the following loop is performed: LDI R20,20 BACK: LDI R21,$0A HERE: DEC R21 BRNE HERE DEC R20 BRNE BACK

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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Microprocessor
Hw
Q1 Execute the following code and show the contents of the
registers:
LDI R16,$03
LDI R17,$10
HERE: AND R16, R17
BREQ HERE
ADD R16,17
Q2 Find the number of times the following loop is
performed:
LDI R20,20
BACK: LDI R21,$0A
HERE: DEC R21
BRNE HERE
DEC R20
BRNE BACK
Q3. Execute the following code and show the contents of the
registers:
LDI R16,$03
LDI R17,$15
HERE: ADD R16, R17
COM R16
BRSH HERE
EOR R16,17
JMP NEXT
SUB R16,R17
NEXT: ROR R16
Transcribed Image Text:Microprocessor Hw Q1 Execute the following code and show the contents of the registers: LDI R16,$03 LDI R17,$10 HERE: AND R16, R17 BREQ HERE ADD R16,17 Q2 Find the number of times the following loop is performed: LDI R20,20 BACK: LDI R21,$0A HERE: DEC R21 BRNE HERE DEC R20 BRNE BACK Q3. Execute the following code and show the contents of the registers: LDI R16,$03 LDI R17,$15 HERE: ADD R16, R17 COM R16 BRSH HERE EOR R16,17 JMP NEXT SUB R16,R17 NEXT: ROR R16
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