scon.h

串口小程序

#define Sfr(x, y)       sfr x = y
#define Sbit(x, y, z)   sbit x = y^z

Sbit (P1_0  , P1, 0);
Sbit (P1_1  , P1, 1);
Sbit (P1_5  , P1, 5);

Sbit (P3_2  , P3, 2);
/*

sbit  P1_0    P1^0 
sbit  P1_1    P1^1  
sbit  P1_5    P1^5 
*/