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Program that will display a string using instruction LODSB.......

Posted By: Easy Tutor     Category: Assembly Language     Views: 6638

An AL Program that will display a string using instruction LODSB.

Code for Program that will display a string using instruction LODSB....... in Assembly Language

 .MODEL SMALL
 .STACK 100H

 .DATA
   PROMPT  DB  'The contents of the variable STRING is : $'

   STRING  DB  'Assolam-o-Alaikum !'

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

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

     LEA SI, STRING               ; set SI=offset address of variable STRING
     MOV CX, 19                   ; set CX=19
     CLD                          ; clear direction flag
     MOV AH, 2                    ; set output function

     @OUTPUT_LOOP:                ; loop label
       LODSB                      ; set AL=DS:[SI]
       MOV DL, AL                 ; set DL=AL
       INT 21H                    ; print a character
     LOOP @OUTPUT_LOOP            ; jump to label @OUTPUT_LOOP while CX!=0

     MOV AH, 4CH                  ; return control to DOS
     INT 21H
   MAIN ENDP
 END MAIN
  
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Easy Tutor
Easy Tutor author of Program that will display a string using instruction LODSB....... is from United States. Easy Tutor says

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