Hex Address Label Instruction 200 Begin, LOAD Base 201 ADD Offs 202 Loop, SUBT One 203 STORE Addr 204 SKIPCOND 800 205 JUMP Done 206 JUMPI Addr 207 CLEAR 208 Done, HALT 209 Base, HEX 200 20A Offs, DEC 9 20B One, HEX 0001 20C Addr, HEX 0000

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
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Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Question

Consider the MARIE program below.
1. a) List the hexadecimal code for each instruction.
2. b) Draw the symbol table.
3. c) What is the value stored in the AC when the program terminates?

Hex Address
Label
Instruction
200
Begin,
LOAD Base
201
ADD Offs
202
Loop,
SUBT One
203
STORE Addr
204
SKIPCOND 800
205
JUMP Done
206
JUMPI Addr
207
CLEAR
208
Done,
HALT
209
Base,
HEX 200
20A
Offs,
DEC 9
20B
One,
HEX 0001
20C
Addr,
HEX 0000
Transcribed Image Text:Hex Address Label Instruction 200 Begin, LOAD Base 201 ADD Offs 202 Loop, SUBT One 203 STORE Addr 204 SKIPCOND 800 205 JUMP Done 206 JUMPI Addr 207 CLEAR 208 Done, HALT 209 Base, HEX 200 20A Offs, DEC 9 20B One, HEX 0001 20C Addr, HEX 0000
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