24 PROGRAM TO MULTIPLY TWO 16 BIT UNSIGNED NUMBERS RESULT IS MAX 32 BIT IN 8086 MICROPROCESSOR

Code:

; PROGRAM TO MULTIPLY TWO 16 BIT UNSIGNED
; NUMBERS RESULT IS MAX 32 BIT

.MODEL SMALL
.STACK 100
.DATA
   NUM1    DW 012F0H
   NUM2    DW 002FFH
   RES_LSB DW 0
   RES_MSB DW 0

.CODE
   MOV AX , @DATA ; INITIALIZING DATA SEGMENT
   MOV DS , AX

   MOV AX , NUM1
   MOV BX , NUM2

   MUL BX             ; MULTIPLYING NUM1 BY NUM2
   AAM

   MOV RES_MSB , DX   ; MOVING RESULT
   MOV RES_LSB , AX

   MOV AH , 2         ; PRINTING HIGHER 16 BIT
   INT 21H

   MOV DX , RES_LSB   ; PRINTING LOWER 16 BIT
   MOV AH , 2
   INT 21H

   MOV AH, 4CH        ; SERVICE ROUTINE FOR EXIT
   INT 21H
END

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