#include <REG51.H>
#define uchar unsigned char
sbit beepIO=P1^0;
uchar m,n;
uchar code T[49][2]={{0,0},
{0xF8,0x8B},{0xF8,0xF2},{0xF9,0x5B},{0xF9,0xB7},{0xFA,0x14},{0xFA,0x66},{0xFA,0xB9},{0xFB,0x03},{0xFB,0x4A},{0xFB,0x8F},{0xFB,0xCF},{0xFC,0x0B},
{0xFC,0x43},{0xFC,0x78},{0xFC,0xAB},{0xFC,0xDB},{0xFD,0x08},{0xFD,0x33},{0xFD,0x5B},{0xFD,0x81},{0xFD,0xA5},{0xFD,0xC7},{0xFD,0xE7},{0xFE,0x05},
{0xFE,0x21},{0xFE,0x3C},{0xFE,0x55},{0xFE,0x6D},{0xFE,0x84},{0xFE,0x99},{0xFE,0xAD},{0xFE,0xC0},{0xFE,0x02},{0xFE,0xE3},{0xFE,0xF3},{0xFF,0x02},
{0xFF,0x10},{0xFF,0x1D},{0xFF,0x2A},{0xFF,0x36},{0xFF,0x42},{0xFF,0x4C},{0xFF,0x56},{0xFF,0x60},{0xFF,0x69},{0xFF,0x71},{0xFF,0x79},{0xFF,0x81}
};
uchar code music[][2]={{0,4},
{0,4},{24,4},{24,4},{21,4},{19,4},{21,4},{14,8},{19,4},{21,4},{24,4},{21,4},{19,16},{0,4},{24,4},{24,4},{21,4},{19,4},{21,4},{12,8},{19,4},{21,4},{24,4},{19,4},{17,16},{0,4},{17,4},{19,4},{21,4},
{24,4},{26,4},{24,4},{22,4},{24,4},{21,4},{21,4},{19,4},{19,16},{0,4},
{17,4},{19,4},{17,4},{17,4},{19,4},{17,4},{19,4},{19,4},{21,8},{24,4},{21,4},{21,12},{0,4},{24,4},{24,4},{21,4},{19,4},{21,4},{14,8},{19,4},{21,4},{24,4},{21,4},{19,16},{0,4},{24,4},{24,4},{21,4},
{19,4},{21,4},{12,8},{19,4},{21,4},{24,4},{19,4},{17,16},{0,4},{17,4},{19,4},{21,4},{24,4},{26,4},{24,4},{22,4},{24,4},{21,4},{21,4},{19,4},{19,12},{12,4},{21,8},{19,4},{19,8},{17,16},
{0xFF,0xFF}};
void delay(uchar p)
{
uchar i,j;
for(;p>0;p--)
for(i=181;i>0;i--)
for(j=181;j>0;j--);
}
void pause()
{
uchar i,j;
for(i=150;i>0;i--)
for(j=150;j>0;j--);
}
void T0_int() interrupt 1
{
beepIO=!beepIO;
TH0=T[m][0]; TL0=T[m][1];
}
void main()
{
uchar i=0;
TMOD=0x01; EA=1; ET0=1;
while(1)
{
m=music[ i][0];n=music[ i][1];
if(m==0x00)
{TR0=0;delay(n);i++;}
else if(m==0xFF)
{TR0=0;delay(30);i=0;}
else if(m==music[ i+1][0])
{TR0=1;delay(n);TR0=0;pause();i++;}
else
{TR0=1;delay(n);i++;}
}
}
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