Question 4) Our assembler has crashed and we need your help! Create a symbol table for the program shown below, and assemble the instructions at labels A, B and D. .ORIG x3000 RO, RO, #0 R1, E R2, R1, #1 AND A LD AND BRp C R1, R1, #-1 RO, RO, R1 R1, R1, #-2 B ADD ADD ADD BRp C ST R0, F TRAP x25

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
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Question 4) Our assembler has crashed and we need your help! Create a symbol table for the
program shown below, and assemble the instructions at labels A, B and D.
. ORIG
x3000
RO, RO, #0
R1, E
R2, R1, #1
AND
A
LD
AND
BRp
C
R1, R1, #-1
RO, RO, R1
R1, R1, #-2
B
ADD
C
ADD
ADD
D
BRp
C
ST
RO, F
TRAP
x25
E
.BLKW
1
. BLKW
. END
F
1
You may assume another module deposits a positive value into E before the module executes.
In fifteen words or fewer, what does the above program do?
Transcribed Image Text:Question 4) Our assembler has crashed and we need your help! Create a symbol table for the program shown below, and assemble the instructions at labels A, B and D. . ORIG x3000 RO, RO, #0 R1, E R2, R1, #1 AND A LD AND BRp C R1, R1, #-1 RO, RO, R1 R1, R1, #-2 B ADD C ADD ADD D BRp C ST RO, F TRAP x25 E .BLKW 1 . BLKW . END F 1 You may assume another module deposits a positive value into E before the module executes. In fifteen words or fewer, what does the above program do?
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