#include?

sbit?BUZZ?=?P1^6;??//蜂鳴器控制引腳

unsigned?int?code?NoteFrequ[]?=?
{??//中音1-7和高音1-7對應(yīng)頻率列表
????523??587??659??698??784??880??988??//中音1-7
????1047?1175?1319?1397?1568?1760?1976??//高音1-7
};
unsigned?int?code?NoteReload[]?=?
{?//中音1-7和高音1-7對應(yīng)的定時器重載值
????65536?-?（11059200/12）?/?（523*2）??//中音1
????65536?-?（11059200/12）?/?（587*2）??//2
????65536?-?（11059200/12）?/?（659*2）??//3
????65536?-?（11059200/12）?/?（698*2）??//4
????65536?-?（11059200/12）?/?（784*2）??//5
????65536?-?（11059200/12）?/?（880*2）??//6
????65536?-?（11059200/12）?/?（988*2）??//7
????65536?-?（11059200/12）?/?（1047*2）?//高音1
????65536?-?（11059200/12）?/?（1175*2）?//2
????65536?-?（11059200/12）?/?（1319*2）?//3
????65536?-?（11059200/12）?/?（1397*2）?//4
????65536?-?（11059200/12）?/?（1568*2）?//5
????65536?-?（11059200/12）?/?（1760*2）?//6
????65536?-?（11059200/12）?/?（1976*2）?//7
};
bit?enable?=?1;???//蜂鳴器發(fā)聲使能標志
bit?tmrflag?=?0;??//定時器中斷完成標志
unsigned?char?T0RH?=?0xFF;??//T0重載值的高字節(jié)