text: 
  
  #ifndef __FIELD_H__
  #define __FIELD_H__
  
  #define FIELD_SIZE                  49
  
  #define LAST_CELL_INDEX             FIELD_SIZE - 1
  
  #define ROW_INDEX                   0
  
  #define COL_INDEX                   1
  
  #define ASCII_LETTER_ZERO			'@'
  
  #define ASCII_LETTER_H				'H'
  
  #define ASCII_NUM_ZERO				'0'	
  
  
  char getCurrRow();
  char getCurrCol();
  char getRow(uint8_t index);
  char getCol(uint8_t index);
  uint8_t getCurrCellIndex();
  uint8_t getIndex(char row, char col);
  void incCellIndex();
  void decCellIndex();
  void downRow();
  void upRow();
  bool isLastCell();
  
  #endif                      
  