VHDL code  position: p190_ex7_9_case_others
Note: 1:	The code is  explain "CASE -OTHERS" statement   
	  2:    
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...............
TYPE states  IS ( st0, st1, st2, st3, st4, st_ilg1, st_ilg2, st_ilg3 );
SIGNAL current_state, next_state	: states;
COM:
	PROCESS ( current_state, state_inputs )
	BEGIN
		CASE current_state IS
			WHEN st0 =>				
				.......
	
			WHEN st1 =>			
				......	
			WHEN OTHERS => 
				next_state <=st0;
		END CASE;
	END PROCESS COM;		
................


