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

``` .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

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

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

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

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
```