Trace the execution of the following "Super Simple CPU" program and for a) each step record the values of the Accumulator, Mem[10] (memory location 10), Mem[11], and Mem[12]. The values before the execution starts are shown. LOD 11 XXX ТОР JZR JNG YYY SUB 10 STO 11 JMP TOP XXX LDI 1 STO 12 STP YYY LDI 0 STO 12 STP

Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
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Chapter1: Computer Networks And The Internet
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Question
Trace the execution of the following "Super Simple CPU" program and for
a)
each step record the values of the Accumulator, Mem[10] (memory location 10), Mem[11],
and Mem[12]. The values before the execution starts are shown.
LOD 11
XXX
ТОР
JZR
JNG
SUB 10
STO 11
YYY
JMP TOP
XXX
LDI
1
STO 12
STP
LDI 0
YYY
STO
12
STP
Mem[10]
Mem[11]
Mem[12]
Accumulator
12
24
15
Transcribed Image Text:Trace the execution of the following "Super Simple CPU" program and for a) each step record the values of the Accumulator, Mem[10] (memory location 10), Mem[11], and Mem[12]. The values before the execution starts are shown. LOD 11 XXX ТОР JZR JNG SUB 10 STO 11 YYY JMP TOP XXX LDI 1 STO 12 STP LDI 0 YYY STO 12 STP Mem[10] Mem[11] Mem[12] Accumulator 12 24 15
What would have been the final result in Mem[12] if the Mem[11] initially had
b)
the value 10?
c)
What does this program do?
Transcribed Image Text:What would have been the final result in Mem[12] if the Mem[11] initially had b) the value 10? c) What does this program do?
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