//--- P0
sbit P0_0 = 0x80;
sbit P0_1 = 0x81;
sbit P0_2 = 0x82;
sbit P0_3 = 0x83;
sbit P0_4 = 0x84;
sbit P0_5 = 0x85;
sbit P0_6 = 0x86;
sbit P0_7 = 0x87;
//--- TCON
sbit IT0 = 0x88;
sbit IE0 = 0x89;
sbit IT1 = 0x8A;
sbit IE1 = 0x8B;
sbit TR0 = 0x8C;
sbit TF0 = 0x8D;
sbit TR1 = 0x8E;
sbit TF1 = 0x8F;
//--- P1
sbit P1_0 = 0x90;
sbit P1_1 = 0x91;
sbit P1_2 = 0x92;
sbit P1_3 = 0x93;
sbit P1_4 = 0x94;
sbit P1_5 = 0x95;
sbit P1_6 = 0x96;
sbit P1_7 = 0x97;
//--- (P1)
sbit T2 = 0x90;
sbit T2EX = 0x91;
//--- SCON
sbit RI = 0x98;
sbit TI = 0x99;
sbit RB8 = 0x9A;
sbit TB8 = 0x9B;
sbit REN = 0x9C;
sbit SM2 = 0x9D;
sbit SM1 = 0x9E;
sbit SM0 = 0x9F;
//--- SCON1
sbit RI1 = 0xc0;
sbit TI1 = 0xc1;
sbit RB18 = 0xc2;
sbit TB18 = 0xc3;
sbit REN1 = 0xc4;
sbit SM12 = 0xc5;
sbit SM11 = 0xc6;
sbit SM10 = 0xc7;
//--- P2
sbit P2_0 = 0xA0;
sbit P2_1 = 0xA1;
sbit P2_2 = 0xA2;
sbit P2_3 = 0xA3;
sbit P2_4 = 0xA4;
sbit P2_5 = 0xA5;
sbit P2_6 = 0xA6;
sbit P2_7 = 0xA7;
//--- IE
sbit EA = 0xAF;
sbit ES1 = 0xAE;
sbit ET2 = 0xAD;
sbit ES = 0xAC;
sbit ET1 = 0xAB;
sbit EX1 = 0xAA;
sbit ET0 = 0xA9;
sbit EX0 = 0xA8;
//--- P3
sbit P3_0 = 0xB0;
sbit P3_1 = 0xB1;
sbit P3_2 = 0xB2;
sbit P3_3 = 0xB3;
sbit P3_4 = 0xB4;
sbit P3_5 = 0xB5;
sbit P3_6 = 0xB6;
sbit P3_7 = 0xB7;
//--- (P3)
sbit RXD = 0xB0;
sbit TXD = 0xB1;
sbit INT0 = 0xB2;
sbit INT1 = 0xB3;
sbit T0 = 0xB4;
sbit T1 = 0xB5;
sbit WR = 0xB6;
sbit RD = 0xB7;
//--- IP
sbit PX0 = 0xB8;
sbit PT0 = 0xB9;
sbit PX1 = 0xBA;
sbit PT1 = 0xBB;
sbit PS = 0xBC;
sbit PT2 = 0xBD;
sbit PS1 = 0xBE;
//--- T2CON
sbit CP_RL2= 0xC8;
sbit C_T2 = 0xC9;
sbit TR2 = 0xCA;
sbit EXEN2 = 0xCB;
sbit TCLK = 0xCC;
sbit RCLK = 0xCD;
sbit EXF2 = 0xCE;
sbit TF2 = 0xCF;
//--- PSW
sbit P = 0xD0;
sbit OV = 0xD2;
sbit RS0 = 0xD3;
sbit RS1 = 0xD4;
sbit F0 = 0xD5;
sbit AC = 0xD6;
sbit CY = 0xD7;
而规格书里面的寄存器是这么定义的，这两个寄存器存在什么关联？求大侠帮忙看看！谢谢！！！
0X081 – GPIO1_EN
Bit Function R/W Description Reset
7-0 GPIO1_EN R/W Gpio1 enable (active high) 00
0X083 – GPIO3_EN
Bit Function R/W Description Reset
7-0 GPIO3_EN R/W Gpio3 enable (active high) 00
0X084 – GPIO4_EN
Bit Function R/W Description Reset
7-0 GPIO4_EN R/W Gpio4 enable (active high) 00
[attachment=296237]
