protrus7.8sp2中自带的矩阵键盘为十进制的,要怎样改造成一个十六进制...答:sbit RS=P3^0;sbit RW=P3^1;sbit E =P3^2;uchar code dis[]={"Put In Key !"};/*uchar key[]={ 0xee,0xde,0xbe,0x7e,0xed,0xdd,0xbd,0x7d,0xeb,0xdb,0xbb,0x7b,0xe7,0xd7,0xb7,0x77}; //键码 */ uchar disp[4];uchar displ[]={"0123456789ABCDEFX"};uchar x...