--
-- Patrick Wagstrom
-- CS471-001
-- progctr.vhd
-- variable size program counter
-- now with support for reset!  WOW MOM!
--

LIBRARY ieee;
USE ieee.std_logic_1164.all;
LIBRARY lpm;
USE lpm.lpm_components.all;

ENTITY progctr IS
	GENERIC (ctrWidth : integer := 5);
	PORT (clock, clockEnable, load, reset: IN STD_LOGIC;
		data : IN STD_LOGIC_VECTOR (ctrWidth - 1 DOWNTO 0);
		q : OUT STD_LOGIC_VECTOR (ctrWidth - 1 DOWNTO 0));
END progctr;

ARCHITECTURE noniterative OF progctr IS
--	SIGNAL dataSig : STD_LOGIC_VECTOR (ctrWidth-1 DOWNTO 0);
--	SIGNAL loadSig : STD_LOGIC;
BEGIN
--	WITH reset SELECT
--		dataSig <= "11111" WHEN '1',
--			data WHEN OTHERS;
--	WITH reset SELECT
--		loadSig <= '1' WHEN '1',
--			load WHEN OTHERS;
	g:	lpm_counter GENERIC MAP (LPM_WIDTH=>ctrWidth)
		PORT MAP (DATA=>data, CLOCK=>clock, Q=>q, CNT_EN=>clockEnable,
			SLOAD=>load, ACLR=>reset);

END noniterative;