ldy.h

Keil中文版

#pragma small
#include <reg51.h>
sfr sp=0x81;
sfr dpl=0x82;
sfr dph=0x83;
sfr pcon=0x87;
sfr tcon=0x88;
sfr tmod=0x89;
sfr tl0=0x8a;
sfr tl1=0x8b;
sfr th0=0x8c;
sfr th1=0x8d;
sfr p1=0x90;
sfr p0=0x80;
sfr p2=0xa0;
sfr scon=0x98;
sfr sbuf=0x99;
sfr ie=0xa8;
sfr p3=0xb0;
sfr ip=0xb8;
sfr psw=0xd0;
sfr acc=0xe0;
sfr b=0xf0;
sbit p37=0xb7;
sbit p36=0xb6;
sbit p35=0xb5;
sbit p34=0xb4;
sbit p33=0xb3;
sbit p32=0xb2;
sbit p31=0xb1;
sbit p30=0xb0;
sbit cy = psw^7;
sbit p17=0x97;
sbit p16=0x96;
sbit p15=0x95;
sbit p14=0x94;
sbit p13=0x93;
sbit p12=0x92;
sbit p11=0x91;
sbit p10=0x90;
sbit p07=0x87;
sbit p06=0x86;
sbit p05=0x85;
sbit p04=0x84;
sbit p03=0x83;
sbit p02=0x82;
sbit p01=0x81;
sbit p00=0x80;
sbit p27=0xa7;
sbit p26=0xa6;
sbit p25=0xa5;
sbit p24=0xa4;
sbit p23=0xa3;
sbit p22=0xa2;
sbit p21=0xa1;
sbit p20=0xa0;