signal joypad2 : std_logic_vector(7 downto 0);
constant powerup_time : time := 2 us;
- constant reset_time : time := 2 us;
+ constant reset_time : time := 890 ns;
---clock frequency = 21,477,270 (21 MHz)
--constant base_clock_time : time := 46 ns;
--- input reset.
reset_p: process
begin
+ reset_input <= '1';
wait for powerup_time;
- reset_input <= '0';
+ reset_input <= '0';
wait for reset_time;
- reset_input <= '1';
+ reset_input <= '1';
wait;
end process;