sign_div_unsign_klh.tdf

NIOS下

--sign_div_unsign DEN_REPRESENTATION="UNSIGNED" DEN_WIDTH=3 LPM_PIPELINE=0 MAXIMIZE_SPEED=5 NUM_REPRESENTATION="UNSIGNED" NUM_WIDTH=11 SKIP_BITS=0 denominator numerator quotient remainder
--VERSION_BEGIN 6.0 cbx_cycloneii 2006:02:07:15:19:20:SJ cbx_lpm_abs 2006:01:02:19:20:00:SJ cbx_lpm_add_sub 2006:01:09:11:17:20:SJ cbx_lpm_divide 2006:01:18:17:01:10:SJ cbx_mgl 2006:04:14:11:14:36:SJ cbx_stratix 2006:02:07:15:17:04:SJ cbx_stratixii 2006:03:03:09:35:36:SJ cbx_util_mgl 2006:01:09:10:46:36:SJ  VERSION_END


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--  without limitation, that your use is for the sole purpose of 
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FUNCTION alt_u_div_a2f (denominator[2..0], numerator[10..0])
RETURNS ( den_out[2..0], quotient[10..0], remainder[2..0]);

--synthesis_resources = lut 48 
SUBDESIGN sign_div_unsign_klh
( 
	denominator[2..0]	:	input;
	numerator[10..0]	:	input;
	quotient[10..0]	:	output;
	remainder[2..0]	:	output;
) 
VARIABLE 
	divider : alt_u_div_a2f;
	adder_result_int[3..0]	:	WIRE;
	adder_cin	:	WIRE;
	adder_dataa[2..0]	:	WIRE;
	adder_datab[2..0]	:	WIRE;
	adder_result[2..0]	:	WIRE;
	gnd_wire	: WIRE;
	norm_num[10..0]	: WIRE;
	protect_quotient[10..0]	: WIRE;
	protect_remainder[2..0]	: WIRE;

BEGIN 
	divider.denominator[] = denominator[];
	divider.numerator[] = norm_num[];
	adder_result_int[] = (adder_dataa[], 0) - (adder_datab[], !adder_cin);
	adder_result[] = adder_result_int[3..1];
	adder_cin = gnd_wire;
	adder_dataa[] = denominator[];
	adder_datab[] = protect_remainder[];
	gnd_wire = B"0";
	norm_num[] = numerator[];
	protect_quotient[] = divider.quotient[];
	protect_remainder[] = divider.remainder[];
	quotient[] = protect_quotient[];
	remainder[] = protect_remainder[];
END;
--VALID FILE