Question

用KEIL 为89S51单片机写个C语言音乐程序

一般的流行歌曲都行，歌曲两分钟以上。。。程序要能编译，运行。从P1.1口输出。
忘了写晶振了，本人开发板晶振是16M的 ，改不了啊。。。

Answer 1

//此程序在硬件上调试通过
//本程序的单片机晶振采用11.0592M
#include <reg51.h>
sbit speaker=P1^1;
unsigned char timer0h,timer0l,time;
//世上只有妈妈好数据表
code unsigned char sszymmh[]={ 6,2,3, 5,2,1, 3,2,2, 5,2,2, 1,3,2, 6,2,1, 5,2,1,
6,2,4, 3,2,2, 5,2,1, 6,2,1, 5,2,2, 3,2,2, 1,2,1,
6,1,1, 5,2,1, 3,2,1, 2,2,4, 2,2,3, 3,2,1, 5,2,2,
5,2,1, 6,2,1, 3,2,2, 2,2,2, 1,2,4, 5,2,3, 3,2,1,
2,2,1, 1,2,1, 6,1,1, 1,2,1, 5,1,6, 0,0,0
};
// 音阶频率表 高八位
code unsigned char FREQH[]={
0xF2,0xF3,0xF5,0xF5,0xF6,0xF7,0xF8,
0xF9,0xF9,0xFA,0xFA,0xFB,0xFB,0xFC,0xFC, //1,2,3,4,5,6,7,8,i
0xFC,0xFD,0xFD,0xFD,0xFD,0xFE,
0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFF,
} ;
// 音阶频率表 低八位
code unsigned char FREQL[]={
0x42,0xC1,0x17,0xB6,0xD0,0xD1,0xB6,
0x21,0xE1,0x8C,0xD8,0x68,0xE9,0x5B,0x8F, //1,2,3,4,5,6,7,8,i
0xEE,0x44, 0x6B,0xB4,0xF4,0x2D,
0x47,0x77,0xA2,0xB6,0xDA,0xFA,0x16,
};
void delay(unsigned char t)
{
unsigned char t1;
unsigned long t2;
for(t1=0;t1<t;t1++)
{
for(t2=0;t2<8000;t2++)
{
;
}
}
TR0=0;
}
void t0int() interrupt 1
{
TR0=0;
speaker=!speaker;
TH0=timer0h;
TL0=timer0l;
TR0=1;
}
void song()
{
TH0=timer0h;
TL0=timer0l;
TR0=1;
delay(time);
}

void main(void)
{
unsigned char k,i;
TMOD=1; //置CT0定时工作方式1
EA=1;
ET0=1;//IE=0x82 //CPU开中断,CT0开中断
while(1)
{
i=0;
while(i<100){ //音乐数组长度 ，唱完从头再来
k=sszymmh[i]+7*sszymmh[i+1]-1;
timer0h=FREQH[k];
timer0l=FREQL[k];
time=sszymmh[i+2];
i=i+3;
song();
}
}
}

Answer 2

//此程序在硬件上调试通过
//本程序的单片机晶振采用11.0592M
#include
<reg51.h>
sbit
speaker=P1^1;
unsigned
char
timer0h,timer0l,time;
//世上只有妈妈好数据表
code
unsigned
char
sszymmh[]={
6,2,3,
5,2,1,
3,2,2,
5,2,2,
1,3,2,
6,2,1,
5,2,1,
6,2,4,
3,2,2,
5,2,1,
6,2,1,
5,2,2,
3,2,2,
1,2,1,
6,1,1,
5,2,1,
3,2,1,
2,2,4,
2,2,3,
3,2,1,
5,2,2,
5,2,1,
6,2,1,
3,2,2,
2,2,2,
1,2,4,
5,2,3,
3,2,1,
2,2,1,
1,2,1,
6,1,1,
1,2,1,
5,1,6,
0,0,0
};
//
音阶频率表
高八位
code
unsigned
char
FREQH[]={
0xF2,0xF3,0xF5,0xF5,0xF6,0xF7,0xF8,
0xF9,0xF9,0xFA,0xFA,0xFB,0xFB,0xFC,0xFC,
//1,2,3,4,5,6,7,8,i
0xFC,0xFD,0xFD,0xFD,0xFD,0xFE,
0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFF,
}
;
//
音阶频率表
低八位
code
unsigned
char
FREQL[]={
0x42,0xC1,0x17,0xB6,0xD0,0xD1,0xB6,
0x21,0xE1,0x8C,0xD8,0x68,0xE9,0x5B,0x8F,
//1,2,3,4,5,6,7,8,i
0xEE,0x44,
0x6B,0xB4,0xF4,0x2D,
0x47,0x77,0xA2,0xB6,0xDA,0xFA,0x16,
};
void
delay(unsigned
char
t)
{
unsigned
char
t1;
unsigned
long
t2;
for(t1=0;t1<t;t1++)
{
for(t2=0;t2<8000;t2++)
{
;
}
}
TR0=0;
}
void
t0int()
interrupt
1
{
TR0=0;
speaker=!speaker;
TH0=timer0h;
TL0=timer0l;
TR0=1;
}
void
song()
{
TH0=timer0h;
TL0=timer0l;
TR0=1;
delay(time);
}
void
main(void)
{
unsigned
char
k,i;
TMOD=1;
//置CT0定时工作方式1
EA=1;
ET0=1;//IE=0x82
//CPU开中断,CT0开中断
while(1)
{
i=0;
while(i<100){
//音乐数组长度
，唱完从头再来
k=sszymmh[i]+7*sszymmh[i+1]-1;
timer0h=FREQH[k];
timer0l=FREQL[k];
time=sszymmh[i+2];
i=i+3;
song();
}
}
}