In ASCII representation, decimal numbers are stored as string of ASCII characters. For example, the decimal value 1234 is stored as: 31 32 33 34H Where, 31H is ASCII value for 1, 32H is ASCII value for 2, and so on. There are the following four instructions for processing numbers in ASCII representation: AAA - ASCII Adjust After Addition AAS - ASCII Adjust After Subtraction AAM - ASCII Adjust After Multiplication AAD - ASCII Adjust Before Division These instructions do not take any operands and assumes the required operand to be in the AL register.
In ASCII representation, decimal numbers are stored as string of ASCII characters. For example, the decimal value 1234 is stored as: 31 32 33 34H Where, 31H is ASCII value for 1, 32H is ASCII value for 2, and so on. There are the following four instructions for processing numbers in ASCII representation: AAA - ASCII Adjust After Addition AAS - ASCII Adjust After Subtraction AAM - ASCII Adjust After Multiplication AAD - ASCII Adjust Before Division These instructions do not take any operands and assumes the required operand to be in the AL register.
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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ASCII
Transcribed Image Text:In ASCII representation, decimal numbers are stored as string of ASCII characters. For example, the decimal
value 1234 is stored as:
31
32
33
34H
Where, 31H is ASCII value for 1, 32H is ASCII value for 2, and so on. There are the following four instructions for
processing numbers in ASCIIl representation:
AAA - ASCII Adjust After Addition
AAS - ASCII Adjust After Subtraction
AAM - ASCII Adjust After Multiplication
AAD - ASCII Adjust Before Division
These instructions do not take any operands and assumes the required operand to be in the AL register.
The following evample uses the AAS instruction to demonstrate the concent:
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