#includereg51.h>#includeintrins.h>#defineucharunsignedchar#defineuintunsignedintsbitrs=P3^3;sb
奉上，希望对初学者有帮助includedefineucharunsignedchardefineuintunsignedintsbitlcden=P2^7;sbitlcdrs=P2^6;sb
includereg52h>defineuintunsignedintdefineucharunsignedcharsbitrd=P3^7;sbitwr=P3^6;sbitcs0=P3^5;sb
