define.h

这是基于MCS-51的时钟及显示源代码

#define uchar unsigned char
#define uint unsigned int
uchar i,tt;
uchar flag,flag1;
char shi,fen,miao,ge,si;
sbit  lcden=P3^6;
sbit  lcdrs=P3^4;
sbit  rd=P3^7;
sbit  s1=P3^0;
sbit  s2=P3^1;
sbit  s3=P3^2;
sbit  dscs=P1^4;
sbit  dsas=P1^5;
sbit  dsrw=P1^6;
sbit  dsds=P1^7;
sbit  dsirq=P3^3;
sbit  beep=	P2^3;
void inis();
void  set_time(	);
void  write_ds(uchar,uchar);
uchar read_ds(uchar);
void  write_com(uchar,uchar);
void write_date(uchar date); 
void  write_sfm(uchar,uchar);
void time_alarm(uchar ashi,uchar afen,uchar amiao);
void  delay(uchar);
void  keyscan();
void didi()	
uchar code table[]="  2008-9-10 MON";
uchar code table1[]="     :  :  ";