ps2.h

我觉得挺有用的东西

#define PS2_DATA P3_0
#define PS2_CLK  P3_1

#define lim0 100
#define lim1 100
#define lim2 0

unsigned char bdata PS2_BYTE;
sbit    PS2_bit0 = PS2_BYTE^0;
sbit    PS2_bit1 = PS2_BYTE^1;
sbit    PS2_bit2 = PS2_BYTE^2;
sbit    PS2_bit3 = PS2_BYTE^3;
sbit    PS2_bit4 = PS2_BYTE^4;
sbit    PS2_bit5 = PS2_BYTE^5;
sbit    PS2_bit6 = PS2_BYTE^6;
sbit    PS2_bit7 = PS2_BYTE^7;

unsigned char bdata s0;
sbit s0b0 = s0^0;
sbit s0b1 = s0^1;
sbit s0b2 = s0^2;
sbit s0b3 = s0^3;
sbit s0b4 = s0^4;
sbit s0b5 = s0^5;
sbit s0b6 = s0^6;
sbit s0b7 = s0^7;

extern bit PS2_Ready, PS2_Up;
//extern unsigned char s;
//extern bit sb0, sb1, sb2, sb3, sb4, sb5, sb6, sb7;