myhdl/example/manual/inc.vhd

-- File: inc.vhd
-- Generated by MyHDL 1.0dev
-- Date: Sun May 22 18:46:37 2016


library IEEE;
use IEEE.std_logic_1164.all;
use IEEE.numeric_std.all;
use std.textio.all;

use work.pck_myhdl_10.all;

entity inc is
    port (
        count: inout unsigned(7 downto 0);
        enable: in std_logic;
        clock: in std_logic;
        reset: in std_logic
    );
end entity inc;
-- Incrementer with enable.
-- 
-- count -- output
-- enable -- control input, increment when 1
-- clock -- clock input
-- reset -- asynchronous reset input

architecture MyHDL of inc is



begin




INC_SEQ: process (clock, reset) is
begin
    if (reset = '0') then
        count <= to_unsigned(0, 8);
    elsif rising_edge(clock) then
        if bool(enable) then
            count <= (count + 1);
        end if;
    end if;
end process INC_SEQ;

end architecture MyHDL;