ORG0000HLJMPSTARTORG000BHINC20H;中断服务,中断计数器加1MOVTH0,#0D8HMOVTL0,#0EFH;12M晶振，形成10毫秒中断RETISTART:MOVSP,#50HMOVTH0,#0D8HMOVTL0,#0EFHMOVTMOD,#01HMOVIE,#82HMUSIC0:NOPMOVDPTR,#DAT;表头地址送DPTRMOV20H,#00H;中断计数器清0MOVB,#00H;表序号清0