a) Write a program to PUSH R0, R1, and R3 of Bank 0 onto the stack and POP them back into R5, R6, and R7 of Bank 3. Also, mention the value of SP register after every PUSH and POP operation.
a) Write a program to PUSH R0, R1, and R3 of Bank 0 onto the stack and POP them back into R5, R6, and R7 of Bank 3. Also, mention the value of SP register after every PUSH and POP operation.
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
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KVL and KCL
KVL stands for Kirchhoff voltage law. KVL states that the total voltage drops around the loop in any closed electric circuit is equal to the sum of total voltage drop in the same closed loop.
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
Transcribed Image Text:Q 3.
a) Write a program to PUSH RO, R1, and R3 of Bank 0 onto the stack and POP them back into R5,
R6, and R7 of Bank 3. Also, mention the value of SP register after every PUSH and POP operation.
b) An 8051 subroutine is shown below:
RO, #20H
@RO, #0
MOV
LOOP:
MOV
INC
RO
CJNE RO, #80H,LOOP
RET
i.
What does the subroutine do?
ii.
In how many machine cycles does each instruction execute?
How many bytes long is each instruction?
Convert the subroutine to machine language (Hexcode).
How long does this subroutine take to execute? (Assume 12 MHz operation)
iii.
iv.
V.
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