1 ;98 z.bin
2 ;兩只老虎的音樂程序
3 date segment
4 freq dw 2 dup (262,294,330,262)
5 dw 2 dup (330,350,392)
6 dw 2 dup (392,440,392,349,330,262)
7 dw 2 dup(330,294,262),0ffffh
8 time dw 8 dup(500)
9 dw 2 dup (500,500,1000)
10 dw 2 dup(250,250,250,250,500,500)
11 dw 2 dup (500,500,1000)
12 date ends
13
14 code segment
15 assume cs:code,ds:date
16 begin: push ds
17 mov ax,0
18 push ax
19 mov ax,date
20 mov ds,ax
21 ;**************************
22 lea si,freq
23 lea bp,time
24 n0: mov ah,0bh
25 int 21h
26 cmp al,0ffh
27 je exit
28 mov di,[si]
29 cmp di,0ffffh
30 je n8
31
32 mov bx,ds:[bp]
33 call s_sound
34 add si,2
35 add bp,2
36 jmp n0
37 n8: lea si,freq
38 lea bp,time
39 jmp n0
40 exit:mov ah,4ch
41 int 21h
42 s_sound proc near
43 push bp
44 push si
45
46 mov al,0b6h
47 out 43h,al
48 mov dx,12h
49 mov ax,533h*896
50 div di
51 out 42h,al
52 mov al,ah
53 out 42h,al
54 in al,61h
55 mov ah,al
56 or al,3
57 out 61h,al
58
59 n1: mov cx,2801h
60 n2: loop n2
61
62 dec bx
63 jnz n1
64 mov al,ah
65 out 61h,al
66 pop si
67 pop bp
68 ret
69 s_sound endp
70 code ends
71 end begin
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