首先,P0.0和P0.3的位地址,但不是内存。P0的字节地址是:80H,那P0口8个位地址就是从80H开始,共8个,依次是P0.0 P0.1 P0.2 P0.3 P0.4 P0.5 P0.6 P0.7,对应的位地址是80H 81H 82H 83H 84H 85H 86H 87H 仿真调试,是用keil仿真,还是用proteus仿真呢?