#include<reg52.h>
#include<stdio.h>
#include<intrins.h>
#define uchar unsigned char
#define uint unsigned int
sbit rs=P1^0;
sbit rw=P1^1;
sbit en=P1^2;
sbit lcdpsb=P1^3;
sbit dq=P3^4;
sbit sck=P2^7;
sbit io=P2^6;
sbit rst=P2^5;
uchar code table0[16]={" 太原工业学院 "};
uchar code table1[16]={"知行合一行胜于言"};
uchar table2[16]={"当前温度："};
uchar table3[16]={" : : 星期 "};
uchar code table4[16]={" 简单万年历 "};
uchar code table5[16]={" 作者：张文东 "};
uchar code table6[16]={" 天道酬勤 "};
uchar table7[16]={" 20 年 月 日"};
uchar time_date[7]={12,7,10,14,23,59,30};
uchar write_add[7]={0x8c,0x8a,0x88,0x86,0x84,0x82,0x80};
uchar read_add[7]={0x8d,0x8b,0x89,0x87,0x85,0x83,0x81};
uint temp,high,low;
void delay_ms(uint t)
{
uint a,b;
for(a=0;a<t;a++)
for(b=0;b<120;b++);
}
void delay_5us(uint i)
{
while(i--);
}
void delay_us(uchar t)
{
while(t--);
}
void write12864_com(uchar com)
{
rw=0;
rs=0;
delay_us(5);
P0=com;
en=1;
_nop_();
en=0;
delay_5us(1);
}
void write12864_dat(uchar dat)
