蜂鸣器演奏祝你平安

蜂鸣器演奏祝你平安——51单片机的Proteus实验◎盘©◎仪实验原理51单片机的一个I/O口控制speaker发声，演唱祝你平安歌曲主要器件以及电路图单片机 AT89C51，蜂鸣器 speaker。沁灿1.凸匸i[D..7p沁灿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汇编程序源码晶振12M,已在Proteus下测试，好像有点失真。程序是从网上照的，感觉不是很对劲，删除了一部分之后还是没有变化。部分注释是我后加上去的。蜂鸣器演奏--祝你平安功能：蜂鸣器-蜂鸣器奏乐-祝你平安SPKbitP2.7 ;以后SPK就是speaker了ORG0000HLJMPSTARTORG000BHINC20H ;T0中断服务,中断计数器加1MOVTH0,#0D8HMOVTL0,#0EFH;12M晶振，形成10毫秒中断RETISTART:START:MOVTH0,#0D8HMOVTH0,#0D8HMOVTL0,#0EFHMOVTMOD,#01HMOVIE,#82H ;1OOOOO1OB——开TO中断MUSIC0MUSIC0NOPNOPMOVDPTR,#DAT ;表头地址送DPTRMOV2OH,#OOH ;中断计数器清OMUSIC1MUSIC1NOPCLRANOPCLRAMOVCA,@A+DPTRJZENDOCJNEA,#OFFH,MUSIC5LJMPMUSIC3;查表取代码;是OOH,则结束；只要A不等于FF,—直执行MUSIC5;当A到FF的时候，执行MUSIC3MUSIC5NOPMOVR6,AINCDPTRMUSIC5NOPMOVR6,AINCDPTRMOVCA,@A+DPTRMOVR7,ASETBTRO;代码送R6;取节拍代码送R7;启动计数MUSIC2NOPCPLSPKNOPCPLSPKMOVA,R6MOVR3,ALCALLDELCJNEA,2OH,MUSIC2MOV2OH,#OOHINCDPTRLJMPMUSIC1;按R6（代码）延时7;利用代码（R6）来调用延时；中断计数器（20H）=R7否?不等，则继续循环;等于,则取下一代码MUSIC3NOPCLRTROMOVR2,#ODH;MUSIC3NOPCLRTROMOVR2,#ODH;休止1OO毫秒MUSIC4NOPMOVR3,#OFFHLCALLDELDJNZR2,MUSIC4INCDPTRLJMPMUSIC1END0:NOPMOVR2,#64H;歌曲结束,延时1秒后继续MUSIC6:MOVR3,#00HLCALLDELDJNZR2,MUSIC6LJMPMUSIC0DEL: ;DEL子程序利用R3来延时一定时间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