#include<reg52.h> 
#define uchar unsigned char  //宏定义 
code uchar jiantou[]={0x00,0x18,0x3C,0x7E,0x99,0x18,0x18,0x00,0x00,0x18,0x3C,0x7E,0x99,0x18,0x18,0x00,0x00,0x18,0x3C,0x7E,0x99,0x18,0x18,0x00,0x00,0x18,0x3C,0x7E,0x99,0x18,0x18,0x00}; 
code uchar ling[]={0x00,0x7C,0x44,0x44,0x44,0x44,0x44,0x7C};//定义数组 0 
code uchar   yi[]={0x00,0x04,0x04,0x04,0x04,0x04,0x04,0x04};//定义数组 1 
code uchar   er[]={0x00,0x7C,0x04,0x04,0x7C,0x40,0x40,0x7C};//定义数组 2 
code uchar  san[]={0x00,0x7C,0x04,0x04,0x7C,0x04,0x04,0x7C};//定义数组 3 
code uchar   si[]={0x00,0x44,0x44,0x44,0x7C,0x04,0x04,0x04};//定义数组 4 
code uchar   wu[]={0x00,0x7C,0x40,0x40,0x7C,0x04,0x04,0x7C};//定义数组 5 
code uchar  liu[]={0x00,0x7C,0x40,0x40,0x7C,0x44,0x44,0x7C};//定义数组 6 
code uchar   qi[]={0x00,0x3C,0x04,0x04,0x04,0x04,0x04,0x04};//定义数组 7 
code uchar   ba[]={0x00,0x7C,0x44,0x44,0x7C,0x44,0x44,0x7C};//定义数组 8 
code uchar  jiu[]={0x00,0x7C,0x44,0x44,0x7C,0x04,0x04,0x7C};//定义数组 9 
code uchar  xin[]={0x00,0x66,0x99,0x81,0x81,0x42,0x24,0x18};//定义数组 心 
code uchar  sanjiao[]={0x00,0x00,0x10,0x28,0x44,0xFE,0x00,0x00};//定义数组 三角 
code uchar  zhang[]={0xE9,0x2A,0xEC,0x9F,0xEC,0x2A,0xED,0x00};//定义数组 “张” 
code uchar  f[]={0x7C,0x40,0x40,0x7C,0x40,0x40,0x40,0x40};//定义数组 字母“F” 
 
sbit P20=P2^7; 
 
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