蜂鳴器演奏祝你平安——51單片機的Proteus實驗◎盤?◎儀實驗原理51單片機的一個I/O口控制speaker發聲，演唱祝你平安歌曲主要器件以及電路圖單片機 AT89C51，蜂鳴器 speaker。沁燦1.凸匸i[D..7p沁燦1.凸匸i[D..7p.叫E：..即｝：T.aE2ALEEARSTPSENP1.0P3.0/K：-：DP1.1pa.imoP1.2P3.2/ltnDP1.3P3.3/ltmP1.4P3.4.-TEIP1.5P3.5JT1P1.6P3.6MiRP1.7P3.7.-RD10TT1213n1617匯編程序源碼晶振12M,已在Proteus下測試，好像有點失真。程序是從網上照的，感覺不是很對勁，刪除了一部分之后還是沒有變化。部分注釋是我后加上去的。蜂鳴器演奏--祝你平安功能：蜂鳴器-蜂鳴器奏樂-祝你平安SPKbitP2.7 ;以后SPK就是speaker了ORG0000HLJMPSTARTORG000BHINC20H ;T0中斷服務,中斷計數器加1MOVTH0,#0D8HMOVTL0,#0EFH;12M晶振，形成10毫秒中斷RETISTART:START:MOVTH0,#0D8HMOVTH0,#0D8HMOVTL0,#0EFHMOVTMOD,#01HMOVIE,#82H ;1OOOOO1OB——開TO中斷MUSIC0MUSIC0NOPNOPMOVDPTR,#DAT ;表頭地址送DPTRMOV2OH,#OOH ;中斷計數器清OMUSIC1MUSIC1NOPCLRANOPCLRAMOVCA,@A+DPTRJZENDOCJNEA,#OFFH,MUSIC5LJMPMUSIC3;查表取代碼;是OOH,則結束；只要A不等于FF,—直執行MUSIC5;當A到FF的時候，執行MUSIC3MUSIC5NOPMOVR6,AINCDPTRMUSIC5NOPMOVR6,AINCDPTRMOVCA,@A+DPTRMOVR7,ASETBTRO;代碼送R6;取節拍代碼送R7;啟動計數MUSIC2NOPCPLSPKNOPCPLSPKMOVA,R6MOVR3,ALCALLDELCJNEA,2OH,MUSIC2MOV2OH,#OOHINCDPTRLJMPMUSIC1;按R6（代碼）延時7;利用代碼（R6）來調用延時；中斷計數器（20H）=R7否?不等，則繼續循環;等于,則取下一代碼MUSIC3NOPCLRTROMOVR2,#ODH;MUSIC3NOPCLRTROMOVR2,#ODH;休止1OO毫秒MUSIC4NOPMOVR3,#OFFHLCALLDELDJNZR2,MUSIC4INCDPTRLJMPMUSIC1END0:NOPMOVR2,#64H;歌曲結束,延時1秒后繼續MUSIC6:MOVR3,#00HLCALLDELDJNZR2,MUSIC6LJMPMUSIC0DEL: ;DEL子程序利用R3來延時一定時間NOPDEL3:MOVR4,#02HDEL4:NOPDJNZR4,DEL4NOPDJNZR3,DEL3RETNOPDAT:;祝你平安db26h,20h,20h,20h,20h,20h,26h,10h,20h,10h,20h,80h,26h,20h,30h,20hdb30h,20h,39h,10h,30h,10h,30h,80h,26h,20h,20h,20h,20h,20h,1ch,20hdb20h,80h,2bh,20h,26h,20h,20h,20h,2bh,10h,26h,10h,2bh,80h,26h,20hdb30h,20h,30h,20h,39h,10h,26h,10h,26h,60h,40h,10h,39h,10h,26h,20hdb30h,20h,30h,20h,39h,10h,26h,10h,26h,80h,26h,20h,2bh,10h,2bh,10hdb2bh,20h,30h,10h,39h,10h,26h,10h,2bh,10h,2bh,20h,2bh,40h,40h,20hdb20h,10h,20h,10h,2bh,10h,26h,30h,30h,80h,18h,20h,18h,20h,26h,20hdb20h,20h,20h,40h,26h,20h,2bh,20h,30h,20h,30h,20h,1ch,20h,20h,20hdb20h,80h,1ch,20h,1ch,20h,1ch,20h,30h,20h,30h,60h,39h,10h,30h,10hdb20h,20h,2bh,10h,26h,10h,2bh,10h,26h,10h,26h,10h,2bh,10h,2bh,80hdb18h,20h,18h,20h,26h,20h,20h,20h,20h,60h,26h,10h,2bh,20h,30h,20hdb30h,20h,1ch,20h,20h,20h,20h,80h,26h,20h,30h,10h,30h,10h,30h,20