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Program that declares and initializes a 2D array of size 4x5 in column major order, and print it.

Posted By: Easy Tutor     Category: Assembly Language     Views: 3358

An AL Program that declares and initializes a 2D array of size 4x5 in column major order, and print it.

Code for Program that declares and initializes a 2D array of size 4x5 in column major order, and print it. in Assembly Language

 .MODEL SMALL
 .STACK 100H

 .DATA
    PROMPT  DB  'The contents of 4x5 2D array in column major order are : ',0DH,0AH,'$'

    ARRAY   DW  1,6,11,16
            DW  2,7,12,17    
            DW  3,8,13,18
            DW  4,9,14,19      
            DW  5,10,15,20
 
 .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

     LEA SI, ARRAY                ; set SI=offset address of ARRAY
     MOV CX, 5                    ; set CX=5

     @LOOP_1:                     ; loop label
       MOV BX, 4                  ; set BX=4

       @LOOP_2:                   ; loop label
         MOV AH, 2                ; set output function
         MOV DL, 20H              ; set DL=20H
         INT 21H                  ; print a character

         MOV AX, [SI]             ; set AX=[SI]

         CALL OUTDEC              ; call the procedure OUTDEC

         ADD SI, 2                ; set SI=SI+2
         DEC BX                   ; set BX=BX-1
       JNZ @LOOP_2                ; jump to label @LOOP_2 if BX=0

       MOV AH, 2                  ; set output function
       MOV DL, 0DH                ; set DL=0DH
       INT 21H                    ; print a character

       MOV DL, 0AH                ; set DL=0AH
       INT 21H                    ; print a character
     LOOP @LOOP_1                 ; jump to label @LOOP_1 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

   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 declares and initializes a 2D array of size 4x5 in column major order, and print it. is from United States. Easy Tutor says

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