a_graycounter_i27.tdf

在DE2平台上实现把DVD转换到LED上显示

--a_graycounter DEVICE_FAMILY="Cyclone II" PVALUE=0 WIDTH=10 aclr clock cnt_en q
--VERSION_BEGIN 6.1 cbx_a_gray2bin 2006:02:28:14:37:30:SJ cbx_a_graycounter 2006:05:31:11:44:48:SJ cbx_cycloneii 2006:09:29:19:03:26:SJ cbx_flex10ke 2006:01:09:11:13:48:SJ cbx_mgl 2006:10:27:16:08:48:SJ cbx_stratix 2006:09:18:10:47:42:SJ cbx_stratixii 2006:10:13:14:01:30:SJ  VERSION_END


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--  and other software and tools, and its AMPP partner logic 
--  functions, and any output files from any of the foregoing 
--  (including device programming or simulation files), and any 
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--  to the terms and conditions of the Altera Program License 
--  Subscription Agreement, Altera MegaCore Function License 
--  Agreement, or other applicable license agreement, including, 
--  without limitation, that your use is for the sole purpose of 
--  programming logic devices manufactured by Altera and sold by 
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--  applicable agreement for further details.


FUNCTION cycloneii_lcell_comb (cin, dataa, datab, datac, datad)
WITH ( 	LUT_MASK,	SUM_LUTC_INPUT) 
RETURNS ( combout, cout);

--synthesis_resources = lut 11 reg 11 
SUBDESIGN a_graycounter_i27
( 
	aclr	:	input;
	clock	:	input;
	cnt_en	:	input;
	q[9..0]	:	output;
) 
VARIABLE 
	countera0 : cycloneii_lcell_comb
		WITH (
			LUT_MASK = "C6A0",
			SUM_LUTC_INPUT = "cin"
		);
	countera1 : cycloneii_lcell_comb
		WITH (
			LUT_MASK = "6C50",
			SUM_LUTC_INPUT = "cin"
		);
	countera2 : cycloneii_lcell_comb
		WITH (
			LUT_MASK = "6C50",
			SUM_LUTC_INPUT = "cin"
		);
	countera3 : cycloneii_lcell_comb
		WITH (
			LUT_MASK = "6C50",
			SUM_LUTC_INPUT = "cin"
		);
	countera4 : cycloneii_lcell_comb
		WITH (
			LUT_MASK = "6C50",
			SUM_LUTC_INPUT = "cin"
		);
	countera5 : cycloneii_lcell_comb
		WITH (
			LUT_MASK = "6C50",
			SUM_LUTC_INPUT = "cin"
		);
	countera6 : cycloneii_lcell_comb
		WITH (
			LUT_MASK = "6C50",
			SUM_LUTC_INPUT = "cin"
		);
	countera7 : cycloneii_lcell_comb
		WITH (
			LUT_MASK = "6C50",
			SUM_LUTC_INPUT = "cin"
		);
	countera8 : cycloneii_lcell_comb
		WITH (
			LUT_MASK = "6C50",
			SUM_LUTC_INPUT = "cin"
		);
	countera9 : cycloneii_lcell_comb
		WITH (
			LUT_MASK = "5A5A",
			SUM_LUTC_INPUT = "cin"
		);
	parity : cycloneii_lcell_comb
		WITH (
			LUT_MASK = "6682",
			SUM_LUTC_INPUT = "cin"
		);
	counter_ffa[9..0] : dffeas;
	parity_ff : dffeas;
	power_modified_counter_values[9..0]	: WIRE;
	sclr	: NODE;
	updown	: NODE;

BEGIN 
	countera[9..0].cin = ( countera[8..0].cout, parity.cout);
	countera[9..0].dataa = ( power_modified_counter_values[9..9], power_modified_counter_values[7..0], cnt_en);
	countera[0].datab = counter_ffa[0].q;
	countera[1].datab = power_modified_counter_values[1..1];
	countera[2].datab = power_modified_counter_values[2..2];
	countera[3].datab = power_modified_counter_values[3..3];
	countera[4].datab = power_modified_counter_values[4..4];
	countera[5].datab = power_modified_counter_values[5..5];
	countera[6].datab = power_modified_counter_values[6..6];
	countera[7].datab = power_modified_counter_values[7..7];
	countera[8].datab = power_modified_counter_values[8..8];
	countera[9..0].datad = B"1111111111";
	parity.cin = updown;
	parity.dataa = cnt_en;
	parity.datab = parity_ff.q;
	parity.datad = B"1";
	counter_ffa[].clk = clock;
	counter_ffa[].clrn = (! aclr);
	counter_ffa[].d = countera[9..0].combout;
	counter_ffa[].sclr = sclr;
	parity_ff.clk = clock;
	parity_ff.clrn = (! aclr);
	parity_ff.d = parity.combout;
	parity_ff.sclr = sclr;
	power_modified_counter_values[] = ( counter_ffa[9..0].q);
	q[] = power_modified_counter_values[];
	sclr = GND;
	updown = VCC;
END;
--VALID FILE