architecture behavioural of lcd_controller is
signal lcd_rs_sig, lcd_rw_sig, lcd_e_sig : std_logic;
signal lcd_data_sig : std_logic_vector(7 downto 0);
signal clk_counter : std_logic_vector(31 downto 0) := X"00000000";
constant lcd_state_0 : std_logic_vector(31 downto 0) := X"00000000";
constant lcd_state_1 : std_logic_vector(31 downto 0) := X"0007A120";

begin
    process(reset, clk)
    begin
        if (reset = '0') then
            clk_counter <= X"00000000";
        else
            if (clk'event and clk = '1') then
                clk_counter <= clk_counter + X"00000001";
            end if;
        end if;
    end process;
    
    process(clk, clk_counter)
    begin
        if (clk'event and clk = '1') then
            case clk_counter(31 downto 0) is
                when lcd_state_0 =>                
                when lcd_state_1 =>                
                when others =>
            end case;
        end if;
    end process;
    
    lcd_rs <= lcd_rs_sig;
    lcd_rw <= lcd_rw_sig;
    lcd_e <= lcd_e_sig;
    lcd_data(7 downto 0) <= lcd_data_sig(7 downto 0);
end architecture behavioural;