單片機(jī)實(shí)現(xiàn)唱歌

#include<reg52.h>
#include<intrins.h> //11111
#define uchar unsigned char
#define uint unsigned int
sbit P32=P2^0;
sbit kg=P3^3;
uchar i,j,time1,time2;
uchar temp; //11111
uint code array1[]={400,400,650,650,650,1200,
     400,400,650,650,650,1200,
     400,400,650,650,650,650,1200,
     400,400,650,650,650,1200
     };
uchar code array[]={0xfd,0x79,0xfd,0x79,0xfd,0xc7,0xfd,0x79,0xfe,0x21,0xfe,0x05,
        0xfd,0x79,0xfd,0x79,0xfd,0xc7,0xfd,0x79,0xfe,0x51,0xfe,0x21, 
     0xfd,0x79,0xfd,0x79,0xfe,0xc0,0xfe,0x84,0xfe,0x21,0xfe,0x05,0xfd,0xc7,
     0xfe,0x99,0xfe,0x99,0xfe,0x90,0xfe,0x21,0xfe,0x51,0xfe,0x21
     };

void delay(uint m)
{
    uint n;
 for(m;m>0;m--)
  for(n=125;n>0;n--);
} 
void main()
{
    kg=1;
 TMOD=0x01;
 TH0=0;
 TL0=0;
 EA=1;
 ET0=1;
 TR0=1;
 while(1)
 {
  temp=0xfe; // 11111
      P1=temp; // 11111
  temp=_crol_(temp,1);// 111
  P1=temp;  // 1111
  if(kg==0)
  {
     delay(19);
     if(kg==0)
     {
        P1=0;
     time1=array[i++];
        time2=array[i++];
        if(i==50)
          i=0;
        delay(array1[j++]);
        if(j==25)
     j=0;  
     }
     while(!kg);
  }  
 }
}
void init() interrupt 1
{
 TR0=0;
 P32=~P32;
 TH0=time1;
 TL0=time2;
 TR0=1;
}