#include <reg51.h>
#include <absacc.h>
#include <ctype.h>
#include <intrins.h>
#include <setjmp.h>
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <math.h>
#define  uchar unsigned char
#define  uint unsigned int
#define  xchar unsigned char code
sbit CS1 = P3^0;
sbit RST = P3^4;
sbit RS  = P3^1;
sbit WWR = P3^2;
sbit RRD = P3^3;
sbit BF  = ACC^7;

xchar tab1[20480] = {
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