alt_u_div_6pe.tdf

实现秒表的功能。能精确到0.01位。最多能计时1个小时。

--alt_u_div DEVICE_FAMILY="Stratix" LPM_PIPELINE=0 MAXIMIZE_SPEED=5 SKIP_BITS=0 WIDTH_D=4 WIDTH_N=7 WIDTH_Q=7 WIDTH_R=4 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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FUNCTION add_sub_0ec (dataa[0..0], datab[0..0])
RETURNS ( cout, result[0..0]);
FUNCTION add_sub_1ec (dataa[1..0], datab[1..0])
RETURNS ( cout, result[1..0]);
FUNCTION add_sub_2ec (dataa[2..0], datab[2..0])
RETURNS ( cout, result[2..0]);
FUNCTION add_sub_3ec (dataa[3..0], datab[3..0])
RETURNS ( cout, result[3..0]);
FUNCTION add_sub_4ec (dataa[4..0], datab[4..0])
RETURNS ( cout, result[4..0]);

--synthesis_resources = lut 12 
SUBDESIGN alt_u_div_6pe
( 
	den_out[3..0]	:	output;
	denominator[3..0]	:	input;
	numerator[6..0]	:	input;
	quotient[6..0]	:	output;
	remainder[3..0]	:	output;
) 
VARIABLE 
	add_sub_0 : add_sub_0ec;
	add_sub_1 : add_sub_1ec;
	add_sub_2 : add_sub_2ec;
	add_sub_3 : add_sub_3ec;
	add_sub_4 : add_sub_4ec;
	add_sub_5 : add_sub_4ec;
	add_sub_6 : add_sub_4ec;
	DenominatorIn[39..0]	: WIRE;
	DenominatorIn_tmp[39..0]	: WIRE;
	gnd_wire	: WIRE;
	nose[55..0]	: WIRE;
	NumeratorIn[55..0]	: WIRE;
	NumeratorIn_tmp[55..0]	: WIRE;
	prestg[34..0]	: WIRE;
	quotient_tmp[6..0]	: WIRE;
	sel[31..0]	: WIRE;
	selnose[55..0]	: WIRE;
	StageIn[39..0]	: WIRE;
	StageIn_tmp[39..0]	: WIRE;
	StageOut[34..0]	: WIRE;

BEGIN 
	add_sub_0.dataa[0..0] = NumeratorIn[6..6];
	add_sub_0.datab[0..0] = DenominatorIn[0..0];
	add_sub_1.dataa[] = ( StageIn[5..5], NumeratorIn[12..12]);
	add_sub_1.datab[1..0] = DenominatorIn[6..5];
	add_sub_2.dataa[] = ( StageIn[11..10], NumeratorIn[18..18]);
	add_sub_2.datab[2..0] = DenominatorIn[12..10];
	add_sub_3.dataa[] = ( StageIn[17..15], NumeratorIn[24..24]);
	add_sub_3.datab[3..0] = DenominatorIn[18..15];
	add_sub_4.dataa[] = ( StageIn[23..20], NumeratorIn[30..30]);
	add_sub_4.datab[4..0] = DenominatorIn[24..20];
	add_sub_5.dataa[] = ( StageIn[28..25], NumeratorIn[36..36]);
	add_sub_5.datab[4..0] = DenominatorIn[29..25];
	add_sub_6.dataa[] = ( StageIn[33..30], NumeratorIn[42..42]);
	add_sub_6.datab[4..0] = DenominatorIn[34..30];
	den_out[3..0] = DenominatorIn[33..30];
	DenominatorIn[] = (gnd_wire # DenominatorIn_tmp[]);
	DenominatorIn_tmp[] = ( DenominatorIn[34..0], ( gnd_wire, denominator[]));
	gnd_wire = B"0";
	nose[] = ( B"0000000", (add_sub_6.cout # gnd_wire), B"0000000", (add_sub_5.cout # gnd_wire), B"0000000", (add_sub_4.cout # gnd_wire), B"0000000", (add_sub_3.cout # gnd_wire), B"0000000", (add_sub_2.cout # gnd_wire), B"0000000", (add_sub_1.cout # gnd_wire), B"0000000", (add_sub_0.cout # gnd_wire));
	NumeratorIn[] = (gnd_wire # NumeratorIn_tmp[]);
	NumeratorIn_tmp[] = ( NumeratorIn[48..0], numerator[]);
	prestg[] = ( add_sub_6.result[], add_sub_5.result[], add_sub_4.result[], GND, add_sub_3.result[], B"00", add_sub_2.result[], B"000", add_sub_1.result[], B"0000", add_sub_0.result[]);
	quotient[] = quotient_tmp[];
	quotient_tmp[] = ( (! selnose[0..0]), (! selnose[8..8]), (! selnose[16..16]), (! selnose[24..24]), (! selnose[32..32]), (! selnose[40..40]), (! selnose[48..48]));
	remainder[3..0] = StageIn[38..35];
	sel[] = ( gnd_wire, (gnd_wire # (sel[31..31] # DenominatorIn[38..38])), (gnd_wire # (sel[30..30] # DenominatorIn[37..37])), (gnd_wire # (sel[29..29] # DenominatorIn[36..36])), gnd_wire, (gnd_wire # (sel[27..27] # DenominatorIn[33..33])), (gnd_wire # (sel[26..26] # DenominatorIn[32..32])), (gnd_wire # (sel[25..25] # DenominatorIn[31..31])), gnd_wire, (gnd_wire # (sel[23..23] # DenominatorIn[28..28])), (gnd_wire # (sel[22..22] # DenominatorIn[27..27])), (gnd_wire # (sel[21..21] # DenominatorIn[26..26])), gnd_wire, (gnd_wire # (sel[19..19] # DenominatorIn[23..23])), (gnd_wire # (sel[18..18] # DenominatorIn[22..22])), (gnd_wire # (sel[17..17] # DenominatorIn[21..21])), gnd_wire, (gnd_wire # (sel[15..15] # DenominatorIn[18..18])), (gnd_wire # (sel[14..14] # DenominatorIn[17..17])), (gnd_wire # (sel[13..13] # DenominatorIn[16..16])), gnd_wire, (gnd_wire # (sel[11..11] # DenominatorIn[13..13])), (gnd_wire # (sel[10..10] # DenominatorIn[12..12])), (gnd_wire # (sel[9..9] # DenominatorIn[11..11])), gnd_wire, (gnd_wire # (sel[7..7] # DenominatorIn[8..8])), (gnd_wire # (sel[6..6] # DenominatorIn[7..7])), (gnd_wire # (sel[5..5] # DenominatorIn[6..6])), gnd_wire, (gnd_wire # (sel[3..3] # DenominatorIn[3..3])), (gnd_wire # (sel[2..2] # DenominatorIn[2..2])), (gnd_wire # (sel[1..1] # DenominatorIn[1..1])));
	selnose[] = ( (gnd_wire # (! nose[55..55])), (gnd_wire # (! nose[54..54])), (gnd_wire # (! nose[53..53])), ((gnd_wire # (! nose[52..52])) # sel[31..31]), ((gnd_wire # (! nose[51..51])) # sel[30..30]), ((gnd_wire # (! nose[50..50])) # sel[29..29]), ((gnd_wire # (! nose[49..49])) # sel[28..28]), (gnd_wire # (! nose[48..48])), (gnd_wire # (! nose[47..47])), (gnd_wire # (! nose[46..46])), ((gnd_wire # (! nose[45..45])) # sel[27..27]), ((gnd_wire # (! nose[44..44])) # sel[26..26]), ((gnd_wire # (! nose[43..43])) # sel[25..25]), ((gnd_wire # (! nose[42..42])) # sel[24..24]), (gnd_wire # (! nose[41..41])), (gnd_wire # (! nose[40..40])), (gnd_wire # (! nose[39..39])), ((gnd_wire # (! nose[38..38])) # sel[23..23]), ((gnd_wire # (! nose[37..37])) # sel[22..22]), ((gnd_wire # (! nose[36..36])) # sel[21..21]), ((gnd_wire # (! nose[35..35])) # sel[20..20]), (gnd_wire # (! nose[34..34])), (gnd_wire # (! nose[33..33])), (gnd_wire # (! nose[32..32])), ((gnd_wire # (! nose[31..31])) # sel[19..19]), ((gnd_wire # (! nose[30..30])) # sel[18..18]), ((gnd_wire # (! nose[29..29])) # sel[17..17]), ((gnd_wire # (! nose[28..28])) # sel[16..16]), (gnd_wire # (! nose[27..27])), (gnd_wire # (! nose[26..26])), (gnd_wire # (! nose[25..25])), ((gnd_wire # (! nose[24..24])) # sel[15..15]), ((gnd_wire # (! nose[23..23])) # sel[14..14]), ((gnd_wire # (! nose[22..22])) # sel[13..13]), ((gnd_wire # (! nose[21..21])) # sel[12..12]), (gnd_wire # (! nose[20..20])), (gnd_wire # (! nose[19..19])), (gnd_wire # (! nose[18..18])), ((gnd_wire # (! nose[17..17])) # sel[11..11]), ((gnd_wire # (! nose[16..16])) # sel[10..10]), ((gnd_wire # (! nose[15..15])) # sel[9..9]), ((gnd_wire # (! nose[14..14])) # sel[8..8]), (gnd_wire # (! nose[13..13])), (gnd_wire # (! nose[12..12])), (gnd_wire # (! nose[11..11])), ((gnd_wire # (! nose[10..10])) # sel[7..7]), ((gnd_wire # (! nose[9..9])) # sel[6..6]), ((gnd_wire # (! nose[8..8])) # sel[5..5]), ((gnd_wire # (! nose[7..7])) # sel[4..4]), (gnd_wire # (! nose[6..6])), (gnd_wire # (! nose[5..5])), (gnd_wire # (! nose[4..4])), ((gnd_wire # (! nose[3..3])) # sel[3..3]), ((gnd_wire # (! nose[2..2])) # sel[2..2]), ((gnd_wire # (! nose[1..1])) # sel[1..1]), ((gnd_wire # (! nose[0..0])) # sel[0..0]));
	StageIn[] = (gnd_wire # StageIn_tmp[]);
	StageIn_tmp[] = ( StageOut[34..0], B"00000");
	StageOut[] = ( ((( StageIn[33..30], NumeratorIn[42..42]) & selnose[48..48]) # (prestg[34..30] & (! selnose[48..48]))), ((( StageIn[28..25], NumeratorIn[36..36]) & selnose[40..40]) # (prestg[29..25] & (! selnose[40..40]))), ((( StageIn[23..20], NumeratorIn[30..30]) & selnose[32..32]) # (prestg[24..20] & (! selnose[32..32]))), ((( StageIn[18..15], NumeratorIn[24..24]) & selnose[24..24]) # (prestg[19..15] & (! selnose[24..24]))), ((( StageIn[13..10], NumeratorIn[18..18]) & selnose[16..16]) # (prestg[14..10] & (! selnose[16..16]))), ((( StageIn[8..5], NumeratorIn[12..12]) & selnose[8..8]) # (prestg[9..5] & (! selnose[8..8]))), ((( StageIn[3..0], NumeratorIn[6..6]) & selnose[0..0]) # (prestg[4..0] & (! selnose[0..0]))));
END;
--VALID FILE