
;BCD   :  DAA    DAS  

;ASCII :  AAA    AAS    AAM     AAD


MOV  AL,'6'    ; AL= 36 H
AND  AL,0FH    ; AL= 06 H

MOV  DL,'8'    ; DL=38H
AND  DL,0FH    ; DL=08H

MUL  DL        ; AX = AL * DL= 06 * 08 = 0030

AAM            ; AX= 0408

OR  AX,3030H   ; AX= 3438