#include
sbit sound=P3^7; //将sound位界说为P3.7
unsigned int C; //贮存守时器的守时常数
//以下是C调低声的音频宏界说
#define L1 262 //将”L1″宏界说为低声”1″的频率262Hz 时刻是1/262=3826/2 us 取半周期
#define L2 286 //将”L2″宏界说为低声”2″的频率286Hz
#define L3 311 //将”L3″宏界说为低声”3″的频率311Hz
#define L4 349 //将”L4″宏界说为低声”4″的频率349Hz
#define L5 392 //将”L5″宏界说为低声”5″的频率392Hz
#define L6 440 //将”l_a”宏界说为低声”6″的频率440Hz
#define L7 494 //将”L7″宏界说为低声”7″的频率494Hz
//以下是C调中音的音频宏界说
#define Z1 523 //将”Z1″宏界说为中音”1″的频率523Hz
#define Z2 587 //将”Z2″宏界说为中音”2″的频率587Hz
#define Z3 659 //将”Z3″宏界说为中音”3″的频率659Hz
#define Z4 698 //将”Z4″宏界说为中音”4″的频率698Hz
#define Z5 784 //将”Z5″宏界说为中音”5″的频率784Hz
#define Z6 880 //将”Z6″宏界说为中音”6″的频率880Hz
#define Z7 987 //将”Z7″宏界说为中音”7″的频率523H
//以下是C调高音的音频宏界说
#define H1 1046 //将”H1″宏界说为高音”1″的频率1046Hz
#define H2 1174 //将”H2″宏界说为高音”2″的频率1174Hz
#define H3 1318 //将”H3″宏界说为高音”3″的频率1318Hz
#define H4 1396 //将”H4″宏界说为高音”4″的频率1396Hz
#define H5 1567 //将”H5″宏界说为高音”5″的频率1567Hz
#define H6 1760 //将”H6″宏界说为高音”6″的频率1760Hz
#define H7 1975 //将”H7″宏界说为高音”7″的频率1975Hz
void delay()
void main(void)
//以下是《天空之城》简谱 //每行对应一末节音符
0xff}; //以0xff作为音符的完毕标志
//以下是简谱中每个音符的节拍
//”4″对应4个延时单位,”2″对应2个延时单位,”1″对应1个延时单位
unsigned char code JP[ ]={ 4,4, 12,4,8,8, 20,4,4, 12,4,8,8, 20,4,4, 12,4,4,12,
32, 4, 8,4,6,8, 4,4,4,16, 8,4,6,8, 24,4,4, 12,4,8,8,
24,4,4, 4,4,8,8, 32, 4,8,8,6, 12,4,16, 8,8,8,8,
30, 20,8, 16,8,8, 4,4,16,8, 8,4,4,8, 20,8,
16,16, 4,20,8, 8,4,4,8, 20,4,4, 32,
};
{
i=0; //从第1个音符f[0]开端播映
for(j=0;j
sound=0;
}
}