Show a string in assembly language, Computer Engineering

Assignment Help:

Q. Show a string in assembly language?

MOV AH, 09H

MOV DX, OFFSET   BUFF

INT    21H

Here data in input buffer stored in data segment is intended to be displayed on monitor.

A complete program: 

Input a letter from keyboard and respond.  "The letter you typed is ___".

CODE SEGMENT 

; set the DS register

                        MOV AX, DATA

                        MOV DS, AX

; Read Keyboard

                        MOV AH, 08H

                        INT   21H

; Save input

                        MOV BL, AL

; Display first part of Message

                        MOV AH, 09H

                        MOV DX, OFFSET MESSAGE

                        INT 21 H

; Display character of BL register

                        MOV AH, 02H

                        MOV DL, BL

                        INT 21 H

; Exit to DOS

                        MOV AX, 4C00H

                        INT 21H

CODE ENDS

DATA SEGMENT

MESSAGE DB "The letter you typed is $"

DATA ENDS

END.


Related Discussions:- Show a string in assembly language

Make a generalized program that accepts a number and base, Q. Make a gener...

Q. Make a generalized program that accepts a number & base, convert it into the given base. Perform necessary validations.

How many types of memory in computer architecture, Computer have many type ...

Computer have many type of memory like primary memory , Auxiliary memory ,  Cache memory , buffer memory ,virtual memory , The work of all memory heterogeneously primary memory

Decimal equivalent of hex number 1A53, What is the decimal equivalent of he...

What is the decimal equivalent of hex number 1A53 ? Ans. 6739 is the decimal equivalent of Hex Number 1A53. From Hex Number to Decimal Number conversion is shown below: 1

Determine the purpose of GDTR, Elucidate the purpose of GDTR. If the microp...

Elucidate the purpose of GDTR. If the microprocessor sends linear address 00200000H to paging mechanism, which paging directory entry and which page table entry is accessed? GD

Determine the output waveforms for and and or gates, The voltage waveforms ...

The voltage waveforms shown in given fig. are applied at the inputs of 2-input AND and OR gates. Determine the output waveforms. Ans. The Output waveforms for AND and O

Explain working of direct memory access, Q. Explain working of Direct Memor...

Q. Explain working of Direct Memory Access? In both programmed I/O and interrupt-driven processor is busy with executing input/output instructions and I/O transfer rate is limi

What is ''preemption'' program, Program 'preemption' is? Ans. Forced de...

Program 'preemption' is? Ans. Forced de allocation of the CPU from a program that is executing on the CPU is called preemption program.

Explain about bus of register transfer, Explain about Bus of register trans...

Explain about Bus of register transfer Since a computer has   several registers, paths must be provided to transfer information among registors. If separate lines are used amon

History of information technology and organisations, History of Information...

History of Information Technology and Organisations The increasing sophistication in information systems and the growth in their use have been influenced by three main factors

Execution of a full instruction - computer architecture, Execution of a ful...

Execution of a full Instruction: Regard as the instruction: Add (R3), R1 Executing this particular instruction needed the below described actions: a) Fetch the

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