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Program to print Lower Case Letters from a to z in reverse order

Posted By: Easy Tutor     Category: Assembly Language     Views: 10322

An AL Program to print Lower Case Letters from a to z in
reverse order.

Code for Program to print Lower Case Letters from a to z in reverse order in Assembly Language

 .MODEL SMALL
 .STACK 100H

 .DATA
    PROMPT  DB  'The Lower Case Letters from z to a are: $'

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

     LEA DX, PROMPT               ; load and print PROMPT 
     MOV AH, 9
     INT 21H

     MOV CX, 26                   ; initialize CX

     MOV AH, 2                    ; set output function  
     MOV DL, 122                  ; set Dl with 'z'

     @LOOP:                       ; loop start
       INT 21H                    ; print character

       DEC DL                     ; increment DL to next ASCII character
       DEC CX                     ; decrement CX
       
     JNZ @LOOP                    ; Jump to label @LOOP if CX is 0f

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

 ;**************************************************************************;
 ;**************************************************************************;
 ;------------------------------  THE END  ---------------------------------;
 ;**************************************************************************;
 ;**************************************************************************;
  
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Easy Tutor
Easy Tutor author of Program to print Lower Case Letters from a to z in reverse order is from United States. Easy Tutor says

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