The two compressed BCD code into a decimal number.

DATA SEGMENT
    X DB 32H
    Y DB ?
DATA ENDS
CODE SEGMENT
    ASSUME CS:CODE,DS:DATA
START:MOV AX,DATA
      MOV DS,AX
      MOV CL,4
      MOV AL,X
      SHR AL,CL
      MOV BL,10
      MUL BL
      MOV BH,X
      AND BH,0FH
      ADD AL,BH
      MOV Y,AL
      MOV AH,4CH
      INT 21H
CODE ENDS
    END START