qwin.asm

要求：显示以*为边界的窗口

;要求：显示以*为边界的窗口，输入n=0~6，向上滚动n行;左上角*号坐标：(1,1),右下角*号坐标：(9,10)
.model small
        	.stack 200
        	.data
         dat	db '0'
      outbuf	db 0dh,0ah
	            db 'Please input number(0~6);$'
       	 .code
       	 .startup
	       mov ah,0
        	 mov al,2
       	 int 10h
       	 ;mov ah,15
       	 ;int 10h
       	 mov si,bx
       	 mov ah,2
        	 mov dx,0101h
       	 int 10h
             mov ah,9
        mov al,'*'
        mov bl,7
        mov cx,10
        int 10h
a1:    inc dh
        mov al,'*'
        mov cx,1
        call play
        inc dl
        mov al,dat
        mov cx,8
        call play
        mov dl,10
        mov al,'*'
        mov cx,1
        call play
        inc dat
        mov dl,1
        cmp dat,'6'
        jbe a1
        inc dh
        mov al,'*'
        mov cx,10
        call play
        call innum
        mov ah,6
        mov bh,7
        mov cx,0202h
        mov dx,0809h
        int 10h
        .exit 0
play    	proc
       	mov bx,si
        	push ax
        	mov ah,2
        	int 10h
        	pop ax
        	mov ah,10
        	int 10h
        	ret
play    	endp
innum 	proc
        	mov ah,9
        	lea dx,outbuf
        	int 21h
        	mov ah,1
        	int 21h
        	sub al,30h
        	ret
innum	endp
        	end