📄 main.lst
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C51 COMPILER V7.07 MAIN 09/14/2007 13:15:23 PAGE 1
C51 COMPILER V7.07, COMPILATION OF MODULE MAIN
OBJECT MODULE PLACED IN main.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE main.c BROWSE DEBUG OBJECTEXTEND
stmt level source
1 /************************************************************************
2 [文件名] C51音乐程序(八月桂花)
3 [功能] 通过单片机演奏音乐
4
5 /**********************************************************************/
6 #include <reg51.h>
7 #include <intrins.h>
8 //本例采用89C52, 晶振为11.0592MHZ
9 //关于如何编制音乐代码, 其实十分简单,各位可以看以下代码.
10 //频率常数即音乐术语中的音调,而节拍常数即音乐术语中的多少拍;
11 //所以拿出谱子, 试探编吧!
12
13 sbit onsund = P0^0;
14 unsigned char n=0; //n为节拍常数变量
15 /*
16 unsigned char code music_tab[] ={
17 0x18, 0x30, 0x1C , 0x10, //格式为: 频率常数, 节拍常数, 频率常数, 节拍常数,
18 0x20, 0x40, 0x1C , 0x10,
19 0x18, 0x10, 0x20 , 0x10,
20 0x1C, 0x10, 0x18 , 0x40,
21 0x1C, 0x20, 0x20 , 0x20,
22 0x1C, 0x20, 0x18 , 0x20,
23 0x20, 0x80, 0xFF , 0x20,
24 0x30, 0x1C, 0x10 , 0x18,
25 0x20, 0x15, 0x20 , 0x1C,
26 0x20, 0x20, 0x20 , 0x26,
27 0x40, 0x20, 0x20 , 0x2B,
28 0x20, 0x26, 0x20 , 0x20,
29 0x20, 0x30, 0x80 , 0xFF,
30 0x20, 0x20, 0x1C , 0x10,
31 0x18, 0x10, 0x20 , 0x20,
32 0x26, 0x20, 0x2B , 0x20,
33 0x30, 0x20, 0x2B , 0x40,
34 0x20, 0x20, 0x1C , 0x10,
35 0x18, 0x10, 0x20 , 0x20,
36 0x26, 0x20, 0x2B , 0x20,
37 0x30, 0x20, 0x2B , 0x40,
38 0x20, 0x30, 0x1C , 0x10,
39 0x18, 0x20, 0x15 , 0x20,
40 0x1C, 0x20, 0x20 , 0x20,
41 0x26, 0x40, 0x20 , 0x20,
42 0x2B, 0x20, 0x26 , 0x20,
43 0x20, 0x20, 0x30 , 0x80,
44 0x20, 0x30, 0x1C , 0x10,
45 0x20, 0x10, 0x1C , 0x10,
46 0x20, 0x20, 0x26 , 0x20,
47 0x2B, 0x20, 0x30 , 0x20,
48 0x2B, 0x40, 0x20 , 0x15,
49 0x1F, 0x05, 0x20 , 0x10,
50 0x1C, 0x10, 0x20 , 0x20,
51 0x26, 0x20, 0x2B , 0x20,
52 0x30, 0x20, 0x2B , 0x40,
53 0x20, 0x30, 0x1C , 0x10,
54 0x18, 0x20, 0x15 , 0x20,
55 0x1C, 0x20, 0x20 , 0x20,
C51 COMPILER V7.07 MAIN 09/14/2007 13:15:23 PAGE 2
56 0x26, 0x40, 0x20 , 0x20,
57 0x2B, 0x20, 0x26 , 0x20,
58 0x20, 0x20, 0x30 , 0x30,
59 0x20, 0x30, 0x1C , 0x10,
60 0x18, 0x40, 0x1C , 0x20,
61 0x20, 0x20, 0x26 , 0x40,
62 0x13, 0x60, 0x18 , 0x20,
63 0x15, 0x40, 0x13 , 0x40,
64 0x18, 0x80, 0x00
65 };*/
66 /*
67 unsigned char code music_tab[] =
68 {
69 0x26,0x20,0x20,0x20,0x20,0x20,0x26,0x10,0x20,0x10,0x20,0x80,0x26,0x20,0x30,0x20,
70 0x30,0x20,0x39,0x10,0x30,0x10,0x30,0x80,0x26,0x20,0x20,0x20,0x20,0x20,0x1c,0x20,
71 0x20,0x80,0x2b,0x20,0x26,0x20,0x20,0x20,0x2b,0x10,0x26,0x10,0x2b,0x80,0x26,0x20,
72 0x30,0x20,0x30,0x20,0x39,0x10,0x26,0x10,0x26,0x60,0x40,0x10,0x39,0x10,0x26,0x20,
73 0x30,0x20,0x30,0x20,0x39,0x10,0x26,0x10,0x26,0x80,0x26,0x20,0x2b,0x10,0x2b,0x10,
74 0x2b,0x20,0x30,0x10,0x39,0x10,0x26,0x10,0x2b,0x10,0x2b,0x20,0x2b,0x40,0x40,0x20,
75 0x20,0x10,0x20,0x10,0x2b,0x10,0x26,0x30,0x30,0x80,0x18,0x20,0x18,0x20,0x26,0x20,
76 0x20,0x20,0x20,0x40,0x26,0x20,0x2b,0x20,0x30,0x20,0x30,0x20,0x1c,0x20,0x20,0x20,
77 0x20,0x80,0x1c,0x20,0x1c,0x20,0x1c,0x20,0x30,0x20,0x30,0x60,0x39,0x10,0x30,0x10,
78 0x20,0x20,0x2b,0x10,0x26,0x10,0x2b,0x10,0x26,0x10,0x26,0x10,0x2b,0x10,0x2b,0x80,
79 0x18,0x20,0x18,0x20,0x26,0x20,0x20,0x20,0x20,0x60,0x26,0x10,0x2b,0x20,0x30,0x20,
80 0x30,0x20,0x1c,0x20,0x20,0x20,0x20,0x80,0x26,0x20,0x30,0x10,0x30,0x10,0x30,0x20,
81 0x39,0x20,0x26,0x10,0x2b,0x10,0x2b,0x20,0x2b,0x40,0x40,0x10,0x40,0x10,0x20,0x10,
82 0x20,0x10,0x2b,0x10,0x26,0x30,0x30,0x80,0x00
83 };*/
84 unsigned char code music_tab[] =
85 {
86 212,212,190,212,159,169,
87 212,212,190,212,142,159,
88 212,212,106,126,159,169,190,
89 119,119,126,159,142,159,
90 0
91 };
92
93 void isr_t0() interrupt 1 //采用中断0 控制节拍
94 { TH0 = 0xd8;
95 1 TL0 = 0xef;
96 1 n--;
97 1 }
98
99 void delay (unsigned char m) //控制频率延时
100 {
101 1 unsigned i=m;
102 1 while(--i);
103 1 }
104
105 void delayms(unsigned char a) //豪秒延时子程序
106 {
107 1 while(--a); //采用while(--a) 不要采用while(a--); 各位可编译一下看看汇编结果就知道了!
108 1 }
109
110 void main()
111 { unsigned char tab,m; //m为频率常数变量
112 1 unsigned char i = 0;
113 1 TMOD &= 0x0f;
114 1 TMOD |= 0x01;
115 1 TH0 = 0xd8;
116 1 TL0 = 0xef;
117 1 IE = 0x82;
C51 COMPILER V7.07 MAIN 09/14/2007 13:15:23 PAGE 3
118 1 EA = 0x01;
119 1 P2 = 0xf7;
120 1 P0 = 0xf7;
121 1 P2 = 0xa7;
122 1 P0 = 0x00;
123 1 while(1)
124 1 {
125 2 tab=music_tab[i];
126 2 if(tab==0x00)
127 2 {
128 3 i=0;
129 3 delayms(1000);
130 3 tab=music_tab[i];
131 3 } //如果碰到结束符,延时1秒,回到开始再来一遍
132 2 else if(tab==0xff)
133 2 {
134 3 i=i+1;
135 3 delayms(100);
136 3 TR0=0;
137 3 } //若碰到休止符,延时100ms,继续取下一音符
138 2 else
139 2 {
140 3 m=music_tab[i++];
141 3 n=music_tab[i++];
142 3 } //取频率常数 和 节拍常数
143 2 TR0=1; //开定时器0
144 2 while(n!=0)
145 2 {
146 3 onsund = 0;
147 3 delay(m);
148 3 onsund = 1;
149 3 delay(m); //等待节拍完成
150 3 }
151 2 TR0=0; //关定时器0
152 2 }
153 1 }
MODULE INFORMATION: STATIC OVERLAYABLE
CODE SIZE = 125 ----
CONSTANT SIZE = 26 ----
XDATA SIZE = ---- ----
PDATA SIZE = ---- ----
DATA SIZE = 1 ----
IDATA SIZE = ---- ----
BIT SIZE = ---- ----
END OF MODULE INFORMATION.
C51 COMPILATION COMPLETE. 0 WARNING(S), 0 ERROR(S)
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