Assembler Directives

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• 

  jackisback13

  .MODEL SMALL ;ASSEMBLER DIRECTIVE
  .DATA ;ASSEMBLER DIRECTIVE
  
  MULTIPLICAND DB 3H ;DEFINE MULTIPLICAND
  MULTIPLIER DB 4H ;DEFINE MULTIPLIER
  
  .CODE ;ASSEMBLER DIRECTIVE
  MOV AX,@DATA ;LOAD DATA INTO
  MOV DS,AX ;THE DATA SEGMENT
  
  MOV AX,0000H ;CLEAR VALUE OF AX
  
  mov AL, MULTIPLICAND ;LOAD AL WITH MULTIPLICAND
  MOV BL, MULTIPLIER ;LOAD MULTIPLIER WITH BL
  MUL BL ;MULTIPLY THE VALUE IN AL WITH VALUE STORED IN BL
  
  ;DISPLAY
  MOV CL,04H ;LOAD CL WITH NO. OF BITS TO SHIFT
  MOV CH,02H ;LOAD CH WITH NO. OF DIGITS TO DISPLAY
  MOV BX,AX ;STORE PRODUCT IN BX
  
  LAB1:
  ROL BL,CL ;SWAP TENS AND UNITS DIGIT
  MOV DL,BL ;MOV THE TEN'S DIGIT TO BE DISPLAYED IN DL
  AND DL,0FH ;MASK UNIT'S DIGIT WHICH IS NOW IN THE 10'S PLACE AFTER SWAPPING
  CMP DL,09H ;CHECK IF IT IS LESS THAN OR EQUAL TO 9
  
  JBE LAB2
  ADD DL,07 ;IF NOT THEN ADD 7;
  
  LAB2:
  ADD DL,30H ;ADD 30H TO GET THE ASCII EQIUVALENT OF THE NO. TO BE DISPLAYED
  MOV AH,02H ;DISPLAY NO.
  INT 21H
  
  DEC CH ;DEC NO. OF DIGITS TO BE DISPLAYED
  JNZ LAB1 ;JUMP TO LAB1 IF CH!=0
  
  MOV AH,4CH ;TERMINATE PROGRAM
  INT 21H
  
  END ;END OF CODE SEGMENT ANOTHER ASSEMBLER DIRECTIVE
  
  Note: The output will be in hex form
  
  Do you want the directives PUBLIC & EXTRN to be used specifically used in the program?