Logo 
Search:

Assembly Language Articles

Submit Article
Home » Articles » Assembly Language » GeneralRSS Feeds

Program that reads a string of characters terminated by CR and display it in reverse order.......

Posted By: Easy Tutor     Category: Assembly Language     Views: 4244

An AL Program that reads a string of characters terminated by CR and display it in reverse order.

Code for Program that reads a string of characters terminated by CR and display it in reverse order....... in Assembly Language

 .MODEL SMALL
 .STACK 100H

 .DATA
   PROMPT_1  DB  'Enter the string : $'
   PROMPT_2  DB  0DH,0AH,'The string in reverse order is : $'

 .CODE
   MAIN PROC
     MOV AX, @DATA                ; initialize DS  
     MOV DS, AX

     LEA DX, PROMPT_1             ; load and display PROMPT_1   
     MOV AH, 9
     INT 21H

     XOR CX, CX                   ; clear CX
     MOV AH, 1                    ; set input function

     @INPUT:                      ; jump label
       INT 21H                    ; read a digit
       CMP AL, 0DH                ; compare digit with carriage return 
       JE @END                    ; jump to label @END if carriage return
       PUSH AX                    ; push the input char to STACK
       INC CX                     ; increment CX
     JMP @INPUT                   ; jump to label @INPUT

     @END:                        ; jump label

     LEA DX, PROMPT_2             ; load and display PROMPT_2   
     MOV AH, 9
     INT 21H

     MOV AH, 2                    ; set output function

     @OUTPUT:                     ; jump label
       POP DX                     ; POP a value from STACK to DX

       INT 21H                    ; display digit
     LOOP @OUTPUT                 ; jump to label @OUTPUT

     MOV AH, 4CH                  ; return control to DOS
     INT 21H
   MAIN ENDP
 END MAIN

 ;**************************************************************************;
 ;**************************************************************************;
 ;------------------------------  THE END  ---------------------------------;
 ;**************************************************************************;
 ;**************************************************************************;
  
Share: 



Easy Tutor
Easy Tutor author of Program that reads a string of characters terminated by CR and display it in reverse order....... is from United States. Easy Tutor says

Hello Friends,

I am Free Lance Tutor, who helped student in completing their homework.

I have 4 Years of hands on experience on helping student in completing their homework. I also guide them in doing their final year projects.

I have share many programs on this website for everyone to use freely, if you need further assistance, than please contact me on easytutor.2ya [at the rate] gmail [dot] com

I have special discount scheme for providing tutor services. I am providing tutor service to students from various contries, currently most of my students are from United States, India, Australia, Pakistan, Germany, UK and Canada.

I am also here to expand my technical network to receive more opportunity in my career, make friends to help them in resolving their technical problem, learn and share my knowledge, If you like to be my friend, Please send me friend request.

Thanks,
Happy Programming :)

 
View All Articles

Related Articles and Code:


 
Please enter your Comment

  • Comment should be atleast 30 Characters.
  • Please put code inside [Code] your code [/Code].

 
No Comment Found, Be the First to post comment!