Line No. Mnemonics LXI SP,0400H LXI B,2055H LXI H,22FFH LXI D,2090H PUSH H PUSH B MOV A,L 20 POP H a. What is stored in the stack pointer register after the execution of line 1? 5234 567

C++ Programming: From Problem Analysis to Program Design
8th Edition
ISBN:9781337102087
Author:D. S. Malik
Publisher:D. S. Malik
Chapter18: Stacks And Queues
Section: Chapter Questions
Problem 1TF
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2. Read the following program and answer the questions given below.
Line No.
Mnemonics
LXI SP,0400H
LXI B,2055H
1
LXI H,22FFH
LXI D,2090H
4
PUSH H
6.
PUSH B
MOV A,L
20
POP H
a. What is stored in the stack pointer register after the execution of line 1?
PROGRAMMING THE 8085
b. What is the memory location of the stack where the first data byte will be stored?
c. What is stored in memory location 03FEH when line 5 (PUSH H) is executed?
d. After the execution of line 6 (PUSH B), what is the address in the stack pointer
register, and what is stored in stack memory location 03FDH?
e. Specify the contents of register pair HL after the execution of line 20 (POP H).
Transcribed Image Text:2. Read the following program and answer the questions given below. Line No. Mnemonics LXI SP,0400H LXI B,2055H 1 LXI H,22FFH LXI D,2090H 4 PUSH H 6. PUSH B MOV A,L 20 POP H a. What is stored in the stack pointer register after the execution of line 1? PROGRAMMING THE 8085 b. What is the memory location of the stack where the first data byte will be stored? c. What is stored in memory location 03FEH when line 5 (PUSH H) is executed? d. After the execution of line 6 (PUSH B), what is the address in the stack pointer register, and what is stored in stack memory location 03FDH? e. Specify the contents of register pair HL after the execution of line 20 (POP H).
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