45 lines
841 B
C
45 lines
841 B
C
#include"reg52.h"
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#include"freqtab.h"
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#include"music.h"
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#include"function.h"
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void main()
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{
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led=1;
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PlayIndex=0;
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InitInt();
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beep=1;
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while(1)
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{
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keydown();
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temp=key;
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switch (key) //由按键排列推出key对应的音阶
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{
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case 8:sound(13);break;
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case 12:sound(14);break;
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case 11:sound(15);break;
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case 10:sound(16);break;
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case 9:sound(17);break;
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case 7:sound(18);break;
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case 6:sound(19);break;
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case 5:sound(20);break;
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case 4:sound(21);break;
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case 3:sound(22);break;
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case 2:sound(23);break;
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case 1:sound(24);break;
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case 0 :beep=1;TR0=0;break; //无按键不发声，beep置1避免扬声器烧坏
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default: ;
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}
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while(key==temp)
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{
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keydown();
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if(PlayIndex)
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{
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Playing=PlayIndex;
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Play(PlayIndex);
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Playing=0;
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}
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}
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}
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}
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