汇编小问题，求高手来看看！！！！！

亲们，我自己做出来了，在MASM611里面运行的代码；给喜欢汇编的朋友做查考！
data segment
time db 'Now the system time is $'
press db 'Press any key to exit! $'
data ends
code segment
assume cs:code,ds:data
start: mov ax,data
mov ds,ax
begin:call clear
lea dx,time
mov ah,9
int 21h
mov ah,2ch
int 21h
mov ax,0
mov al,ch
call lbr
mov dl,':'
mov ah,2
int 21h
mov ax,0
mov al,cl
call lbr
mov dl,':'
mov ah,2
int 21h
mov ax,0
mov al,dh
call lbr
call hc
lea dx,press
mov ah,9
int 21h
call hc
call waitz
mov ah,0bh
int 21h
inc al
je exit
jmp begin
hc proc
mov dl,0dh
mov ah,2
int 21h
mov dl,0ah
mov ah,2
int 21h
ret
hc endp
lbr proc
mov dl,10
div dl
mov bh,ah
mov dl,al
add dl,30h
mov ah,2
int 21h
mov dl,bh
add dl,30h
mov ah,2
int 21h
ret
lbr endp
clear proc
mov al,0
mov cx,0
mov dh,48
mov dl,79
mov bh,7
mov ah,6
int 10h
ret
clear endp
zh proc
add dl,30h
mov ah,2
int 21h
ret
zh endp
waitz proc
mov cx,65535
push ax
next2:
in al,61h
add ah,10h
cmp al,ah
loop next2
pop ax
ret
waitz endp
exit:
mov ah,4ch
int 21h
code ends
end start

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