#include <reg52.h>
#define MAX_LINES          3
#define MAXCHARS_ON_LINE   10
#define CHAR_MASK          0xBF
#define high 1        
#define low  0        
sbit clear = P3^0;    
sbit write = P3^1;    
#define uint unsigned int
#define uchar unsigned char
void msec(uint x) 
    { uchar j;
    while (x-->0)
        {for(j=0;j<125;j++);
        }}
void code clear_display() 
    { clear=high;
    clear=low;
    clear=high;}
void code write_enable() 
    {write=high;
    write=low;
    write=high;}
void code word_delay()
    {msec(3500);}
unsigned char code *phrases2[] = {
  "Short",   "Medium",  "Very long"   };
void put_phrase( unsigned char line_no )  
{   while (*phrases2[line_no] != 0x00) {  
      P0 = *phrases2[line_no];	
	  ++phrases2[line_no];
      write_enable();}}
void main( void )            
{  clear_display();
   for(;;)                   
   {  unsigned char line_no;
      for ( line_no = 0; line_no < MAX_LINES; line_no++ )
       {put_phrase( line_no );
        word_delay();
        clear_display();}}}

/*
:03000000020003F8
:0C000300787FE4F6D8FD75810E02004AFB
:1000EE0053686F7274004D656469756D0056657264
:0700FE0079206C6F6E6700B2
:08010500060800EE00F400FB07
:1000D300EF1FAA0670011ED39400EA9400400BE4BC
:0A00E300FDEDC3947D50E90D80F798
:0100ED0022F0
:07010E00D2B0C2B0D2B02252
:07011500D2B1C2B1D2B12248
:07011C007FAC7E0D0200D351
:10008F00EF25E02408F8E6FC08E6F5828C83E4937C
:10009F00FE6014F580EF25E02408F80806E61870D6
:0800AF00010612011580D9229F
:0300B70012010E25
:1000BA00E4F50EAF0E12008F12011C12010E050E8E
:0900CA00E50EC3940340EC80E74D
:10000F000200B7E493A3F8E493A34003F68001F250
:10001F0008DFF48029E493A3F85407240CC8C333F2
:10002F00C4540F4420C8834004F456800146F6DFC1
:10003F00E4800B0102040810204080900105E47E4B
:10004F00019360BCA3FF543F30E509541FFEE493B6
:10005F00A360010ECF54C025E060A840B8E493A37D
:10006F00FAE493A3F8E493A3C8C582C8CAC583CAA8
:10007F00F0A3C8C582C8CAC583CADFE9DEE780BE60
:01010D0000F1
:00000001FF
*/