                .MODEL SMALL
		.STACK 64
		.DATA
DATA1		DB	6H
DATA2		DB	?
MAIN		PROC	FAR
MOV AX,DATA1
MOV BX,0AH
DIV BX
MOV DH,AL
MUL BX
MOV CX,DATA1
SUB CX,AX
MOV DL,CL
http://eng.harran.edu.tr/~nbesli/RBT/80x86_Komut.pdf