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Program that initialize an array of size 10 with 0 using DUP instruction. Also display the array elements.

Posted By: Easy Tutor     Category: Assembly Language     Views: 6719

An AL Program that initialize an array of size 10 with 0 using DUP instruction. Also display the array elements.

Code for Program that initialize an array of size 10 with 0 using DUP instruction. Also display the array elements. in Assembly Language

 .MODEL SMALL
 .STACK 100H

 .DATA
    PROMPT  DB  'The Array elements are : $'

    ARRAY   DB  10 DUP(0)

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

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

     MOV CX, 10                   ; set CX=10
     LEA SI, ARRAY                ; set SI=offset address of ARRAY

     @SHOW:                       ; loop label
       XOR AH, AH                 ; clear AH
       MOV AL, [SI]               ; set AL=[SI]

       CALL OUTDEC                ; call the procedure OUTDEC

       MOV AH, 2                  ; set output function
       MOV DL, 20H                ; set DL=20H
       INT 21H                    ; print a character

       INC SI                     ; set SI=SI+1
     LOOP @SHOW                   ; jump to label @SHOW while CX!=0

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

 ;**************************************************************************;
 ;**************************************************************************;
 ;-------------------------  Procedure Definitions  ------------------------;
 ;**************************************************************************;
 ;**************************************************************************;

 ;**************************************************************************;
 ;--------------------------------  OUTDEC  --------------------------------;
 ;**************************************************************************;

 OUTDEC PROC
   ; this procedure will display a decimal number
   ; input : AX
   ; output : none

   PUSH BX                        ; push BX onto the STACK
   PUSH CX                        ; push CX onto the STACK
   PUSH DX                        ; push DX onto the STACK

   CMP AX, 0                      ; compare AX with 0
   JGE @START                     ; jump to label @START if AX>=0

   PUSH AX                        ; push AX onto the STACK

   MOV AH, 2                      ; set output function
   MOV DL, "-"                    ; set DL='-'
   INT 21H                        ; print the character

   POP AX                         ; pop a value from STACK into AX

   NEG AX                         ; take 2's complement of AX

   @START:                        ; jump label

   XOR CX, CX                     ; clear CX
   MOV BX, 10                     ; set BX=10

   @OUTPUT:                       ; loop label
     XOR DX, DX                   ; clear DX
     DIV BX                       ; divide AX by BX
     PUSH DX                      ; push DX onto the STACK
     INC CX                       ; increment CX
     OR AX, AX                    ; take OR of Ax with AX
   JNE @OUTPUT                    ; jump to label @OUTPUT if ZF=0

   MOV AH, 2                      ; set output function

   @DISPLAY:                      ; loop label
     POP DX                       ; pop a value from STACK to DX
     OR DL, 30H                   ; convert decimal to ascii code
     INT 21H                      ; print a character
   LOOP @DISPLAY                  ; jump to label @DISPLAY if CX!=0

   POP DX                         ; pop a value from STACK into DX
   POP CX                         ; pop a value from STACK into CX
   POP BX                         ; pop a value from STACK into BX

   RET                            ; return control to the calling procedure
 OUTDEC ENDP

 ;**************************************************************************;
 ;--------------------------------------------------------------------------;
 ;**************************************************************************;

 END MAIN

 ;**************************************************************************;
 ;**************************************************************************;
 ;------------------------------  THE END  ---------------------------------;
 ;**************************************************************************;
 ;**************************************************************************;
  
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Easy Tutor
Easy Tutor author of Program that initialize an array of size 10 with 0 using DUP instruction. Also display the array elements. is from United States. Easy Tutor says

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