4- What should be the value of {N} loaded to CX register in the following assembly subroutine so that its execution time will be 150 µsec, if you know that the operating frequency of the microprocessor is 10 MHz?

Computer Networking: A Top-Down Approach (7th Edition)
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ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
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4- What should be the value of { N } loaded to CX register in the following assembly
subroutine so that its execution time will be 150 µsec, if you know that the operating
frequency of the microprocessor is 10 MHz?
MySub Proc Near
PUSH CX
PUSH rog
POP reg
JNZ
DEC reg
ADD regreg
ADD reg value
1IT
MOV regreg
MOV regvalue 41
27
8T
MOV CX, N
Back: NOP
NOP
17/ST
164T
LOOP
CALL
RET
NOP
19T
3T
LOOP Back
РОР СХ
16T
3T
RET
3T
4T
MySub ENDP
Transcribed Image Text:4- What should be the value of { N } loaded to CX register in the following assembly subroutine so that its execution time will be 150 µsec, if you know that the operating frequency of the microprocessor is 10 MHz? MySub Proc Near PUSH CX PUSH rog POP reg JNZ DEC reg ADD regreg ADD reg value 1IT MOV regreg MOV regvalue 41 27 8T MOV CX, N Back: NOP NOP 17/ST 164T LOOP CALL RET NOP 19T 3T LOOP Back РОР СХ 16T 3T RET 3T 4T MySub ENDP
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