This is a program to print fibonacci series in assembly. Can you explain it line by line?

.MODEL SMALL

.STACK 100

.DATA NUM1 DB 01H NUM2 DB 01H L DB 00H VAL1 DB 00H VAL2 DB 00H NUM DB 0DH,0AH,'$'

.CODE

MAIN PROC MOV AX,@DATA MOV DS,AX

MOV AH,01H INT 21H MOV CL,AL SUB CL,30H SUB CL,2

MOV AH,02H MOV DL,NUM1 ADD DL,30H INT 21H

MOV AH,09H LEA DX,NUM INT 21H

MOV AH,02H MOV DL,NUM2 ADD DL,30H INT 21H

MOV AH,09H LEA DX,NUM INT 21H

DISP: MOV BL,NUM1 ADD BL,NUM2

MOV AH,00H MOV AL,BL MOV L,CL MOV CL,10 DIV CL MOV CL,L

MOV VAL1,AL MOV VAL2,AH

MOV DL,VAL1 ADD DL,30H MOV AH,02H INT 21H

MOV DL,VAL2 ADD DL,30H MOV AH,02H INT 21H

MOV DL,NUM2 MOV NUM1,DL MOV NUM2,BL

MOV AH,09H LEA DX,NUM INT 21H

LOOP DISP

MOV AH,4CH INT 21H

MAIN ENDP END MAIN