再问一次,一个关于51单片机的程序,用C语言。关于声光控制程序的答:sbit key3=P0^2;sbit key4=P0^3;unsigned char code table[]={0xC0,0xF9,0xA4,0xB0,0x99,0x92,0x82,0xF8,0x80,0x90,0x88,0x83,0xC6,0xA1,0x86,0x8E};//0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F void main(){ P0=0xff;//IO口做输入先写1 P3=0;//防止出现乱码 whi...