Line Loc/Block Source statement Object code 5 0000 СОPY START 10 0000 FIRST STL RETADR 172063 15 0003 CLOOP JSUB RDREC 4B2021 20 0006 LDA LENGTH 032060 25 30 0009 000C COMP #0 290000 332006 JEQ JSUB ENDFIL 000F 0012 4B203B 35 40 WRREC J CLOOP 3F2FEE 45 0015 ENDFIL LDA =C'EOF' 032055 OF2056 010003 50 0018 STA BUFFER 55 001B LDA #3 001E 0021 LENGTH OF2048 60 65 STA JSUB WRREC 4B2029 70 0024 J @RETADR ЗЕ203F 92 0000 1 1 USE CDATA 95 0000 RETADR RESW 1 0003 2 RESW USE 100 1 LENGTH 1 103 0000 CBLKS 105 0000 2 BUFFER RESB 4096 EQU EQU 106 1000 2 BUFEND 107 1000 MAXLEN BUFEND-BUFFER 110 115 SUBROUTINE TO READ RECORD INTO BUFFER

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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Find out the Object code for each line of instructions. Show your work in detail. Page 81 Line 5 – 110
Line
Loc/Block
Source statement
Object code
0000
СОPY
START
0000
172063
FIRST
CLOOP
10
STL
RETADR
15
0003
JSUB
RDREC
4B2021
20
0006
LDA
LENGTH
032060
0009
000C
290000
332006
COMP
#0
25
30
JEQ
ENDFIL
35
000F
JSUB
WRREC
4B203B
40
0012
J
CLOOP
3F2FEE
032055
OF2056
010003
45
0015
ENDFIL
LDA
=C'EOF'
50
0018
STA
BUFFER
001B
001E
55
LDA
#3
60
STA
LENGTH
OF2048
65
0021
JSUB
WRREC
4B2029
70
0024
J
@RETADR
ЗЕ203F
92
0000
1
USE
CDATA
95
0000
1
RETADR
RESW
1
100
0003
1
LENGTH
RESW
1
103
0000
2
USE
CBLKS
105
0000
2
BUFFER
RESB
4096
106
1000
2
BUFEND
EQU
EQU
107
1000
ΜAXLEN
BUFEND-BUFFER
110
115
SUBROUTINE TO READ RECORD INTO BUFFER
Transcribed Image Text:Line Loc/Block Source statement Object code 0000 СОPY START 0000 172063 FIRST CLOOP 10 STL RETADR 15 0003 JSUB RDREC 4B2021 20 0006 LDA LENGTH 032060 0009 000C 290000 332006 COMP #0 25 30 JEQ ENDFIL 35 000F JSUB WRREC 4B203B 40 0012 J CLOOP 3F2FEE 032055 OF2056 010003 45 0015 ENDFIL LDA =C'EOF' 50 0018 STA BUFFER 001B 001E 55 LDA #3 60 STA LENGTH OF2048 65 0021 JSUB WRREC 4B2029 70 0024 J @RETADR ЗЕ203F 92 0000 1 USE CDATA 95 0000 1 RETADR RESW 1 100 0003 1 LENGTH RESW 1 103 0000 2 USE CBLKS 105 0000 2 BUFFER RESB 4096 106 1000 2 BUFEND EQU EQU 107 1000 ΜAXLEN BUFEND-BUFFER 110 115 SUBROUTINE TO READ RECORD INTO BUFFER
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