What is segment directive, Computer Engineering

Assignment Help:

Q. What is SEGMENT Directive?

Segment directive defines logical segment to which following instructions or data allocations statement belong.  It also provides a segment name to base of that segment.  

Address of each element in a 8086 assembly program should be represented in segment - relative format.  Which means that each address should be expressed in terms of a segment register and an offset from base of segmented addressed by that register. By defining the base of a logical segment, a segment directive makes it potential to set a segment register to address that base and also makes it likely to compute the offset of every element in that segment from a common base.

An 8086 assembly language program comprises logical segments which can be a code segment, stack segment, data segment and an additional segment.

A segment directive denotes to assemble all statements following it in a single source file till an ENDS directive.


Related Discussions:- What is segment directive

Computer architecture basics, Computer Architecture Basics: Some of co...

Computer Architecture Basics: Some of computer architecture at companies such like AMD and Intel uses more fine distinctions: Macro architecture- this is an architectura

Predicates, Fred, Barney and Ralph belong to the La Trobe Mountain Club. Ev...

Fred, Barney and Ralph belong to the La Trobe Mountain Club. Every member of the Club is either a skier or a hiker. Anyone that doesn't like snow does not like skiing. No hikers li

Define password methods and biometric systems, Define the password methods ...

Define the password methods and Biometric systems for implementing client server network security. In cyberspace, buyers and sellers cannot notice each other. Also within video

What is a parsing, what is parsin? Source programmed statements are ob...

what is parsin? Source programmed statements are observed as tokens, recognizing, building block of language the task of scanning the source statement and classifying the diff

Illustrate when are intermolecular forces the strongest, Q. Illustrate when...

Q. Illustrate when are intermolecular forces the strongest? Answer:- Intermolecular forces dispersion and dipole-dipole and hydrogen bonds. These forces are feeble than ch

Microprocessor 8086, i want to know complete detail of 8086 microprocessor ...

i want to know complete detail of 8086 microprocessor such as memory segment ,interface with ram rom ect

Rule in a single direction - equivalences rules, Rule in a single direction...

Rule in a single direction - equivalences rules: Hence there the power to replace  sub expressions always allows use to prove theorems with equivalences: as given in the above

Give regular expression for real number, Develop a regular expression for R...

Develop a regular expression for Real number and Real number with optional fraction (i) A regular expression for real number is [+ | -] (d)+. (d)+ (ii) A regular expression

Grapgh, representation of the adjacency matrix and adjacency list

representation of the adjacency matrix and adjacency list

How to format expressions by using vba, Format functions can be used to for...

Format functions can be used to format lot of the expressions such as money, time, date, percentages and numbers. These functions are much easier to use in VBA. User defined date,

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd