下面是例子，試過可以使用
#include <REG52.H>
#include <INTRINS.H>
#include "reg52.h"
typedef unsigned int u16; //對數據類型進行聲明定義
typedef unsigned char u8;
sbit k1=P3^1; //定義P31口是k1
sbit Beep = P1^5;
unsigned char n=0;
unsigned char code music_tab[] ={ 0xff,
0x1c,0x10,0x1c,0x20,0x20,0x10,
0x1c,0x10,0x1c,0x20,0x20,0x10,
0x1c,0x10,0x1c,0x20,0x20,0x10,
0x1c,0x20,0x18,0x20,
0x1c,0x10,0x1c,0x20,0x20,0x10,
0x1c,0x10,0x1c,0x20,0x20,0x10,
0x1c,0x20,0x18,0x20,0x15,0x20,0x13,0x20,
0x2b,0x10,0x26,0x10,
0x39,0x08,0x40,0x08,0x39,0x08,0x40,0x08,
0x2b,0x10,0x26,0x10,
0x39,0x08,0x40,0x08,0x39,0x08,0x40,0x08,
0x2b,0x10,0x26,0x10,
0x39,0x08,0x40,0x08,0x39,0x08,0x40,0x08,
0x30,0x10,0x33,0x10,0x39,0x10,0x40,0x10,
0x2b,0x10,0x26,0x10,
0x39,0x08,0x40,0x08,0x39,0x08,0x40,0x08,
0x2b,0x10,0x26,0x10,
0x39,0x08,0x40,0x08,0x39,0x08,0x40,0x08,
0x2b,0x10,0x26,0x10,0x20,0x10,0x18,0x10,
0x19,0x08,0x18,0x08,0x19,0x08,0x1c,0x08,
0x20,0x10,0x26,0x10,
0x2b,0x10,0x26,0x10,
0x39,0x08,0x40,0x08,0x39,0x08,0x40,0x08,
0x2b,0x10,0x26,0x10,
0x39,0x08,0x40,0x08,0x39,0x08,0x40,0x08,
0x2b,0x10,0x26,0x10,
0x39,0x08,0x40,0x08,0x39,0x08,0x40,0x08,
0x30,0x10,0x33,0x10,0x39,0x10,0x40,0x10,
0x39,0x10,
0x40,0x08,0x39,0x08,0x30,0x10,
0x39,0x08,0x30,0x08,0x2b,0x10,
0x2b,0x08,0x26,0x08,0x20,0x08,
0x18,0x08,0x26,0x08,0x20,0x08,
0x18,0x10,0x19,0x08,0x18,0x08,
0x19,0x08,0x1c,0x10,0x20,0x10,
0x1c,0x10,0x20,0x10,0x1c,0x10,
0xff,0xff,0xff,0xff ,
0x00
};
unsigned char code music_tab1 [] = { 0xff, 0x18,0x08,0x15,0x10,0x13,0x10,
0x1c,0x08,0x20,0x08,0x1c,0x08,0x20,0x08,
0x15,0x10,0x13,0x10,
0x1c,0x08,0x20,0x08,0x1c,0x08,0x20,0x08,
0x15,0x10,0x13,0x10,
0x1c,0x08,0x20,0x08,0x1c,0x08,0x20,0x08,
0x18,0x10,0x19,0x10,0x1c,0x10,0x20,0x10,
0x15,0x10,0x13,0x10,
0x1c,0x08,0x20,0x08,0x1c,0x08,0x20,0x08,
0x15,0x10,0x13,0x10,
0x1c,0x08,0x20,0x08,0x1c,0x08,0x20,0x08,
0x15,0x10,0x13,0x10,0x10,0x10,0x0c,0x10,
0x0d,0x08,0x0c,0x08,0x0d,0x08,0x0e,0x08,
0x10,0x10,0x13,0x10,
0x15,0x10,0x13,0x10,
0x1c,0x08,0x20,0x08,0x1c,0x08,0x20,0x08,
0x15,0x10,0x13,0x10,
0x1c,0x08,0x20,0x08,0x1c,0x08,0x20,0x08,
0x15,0x10,0x13,0x10,
0x1c,0x08,0x20,0x08,0x1c,0x08,0x20,0x08,
0x18,0x10,0x19,0x10,0x1c,0x10,0x20,0x10,
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