1. Study this program, then answer the questions that follow : MOV AL, 64H ADD AL,27H DAA a) What does the accumulator contain immediately after the ADD instruction is executed ? What do the CY and AC flags contain? b) What does the accumulator contain after the DAA instruction is executed? What do the CY and AC flags contain? 2. Write a subroutine that will perform the function of the DAA instruction.

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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1. Study this program , then answer the questions that follow :
MOV AL, 64H
ADD AL,27H
DAA
a) What does the accumulator contain immediately after the ADD instruction is executed ?
What do the CY and AC flags contain?
b) What does the accumulator contain after the DAA instruction is executed? What do the
CY and AC flags contain?
2. Write a subroutine that will perform the function of the DAA instruction.
Transcribed Image Text:1. Study this program , then answer the questions that follow : MOV AL, 64H ADD AL,27H DAA a) What does the accumulator contain immediately after the ADD instruction is executed ? What do the CY and AC flags contain? b) What does the accumulator contain after the DAA instruction is executed? What do the CY and AC flags contain? 2. Write a subroutine that will perform the function of the DAA instruction.
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