add_sub_bph.tdf

用verlog语言编的又一个很好的综合实验(交通灯的控制),特别适合于FPGA/CPLD的初学者

--lpm_add_sub CARRY_CHAIN="MANUAL" CARRY_CHAIN_LENGTH=48 DEVICE_FAMILY="MAX7000S" LPM_DIRECTION="ADD" LPM_REPRESENTATION="UNSIGNED" LPM_WIDTH=26 ONE_INPUT_IS_CONSTANT="YES" cin dataa datab result
--VERSION_BEGIN 5.0 cbx_cycloneii 2004:12:20:14:28:52:SJ cbx_lpm_add_sub 2005:04:12:13:30:42:SJ cbx_mgl 2005:04:13:17:26:48:SJ cbx_stratix 2005:03:14:17:09:02:SJ cbx_stratixii 2004:12:22:13:27:12:SJ  VERSION_END


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--  and other software and tools, and its AMPP partner logic 
--  functions, and any output files any of the foregoing 
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--  to the terms and conditions of the Altera Program License 
--  Subscription Agreement, Altera MegaCore Function License 
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--  without limitation, that your use is for the sole purpose of 
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--  Altera or its authorized distributors.  Please refer to the 
--  applicable agreement for further details.


FUNCTION carry_sum (cin, sin)
RETURNS ( cout, sout);

--synthesis_resources = lut 27 
SUBDESIGN add_sub_bph
( 
	cin	:	input;
	dataa[25..0]	:	input;
	datab[25..0]	:	input;
	result[25..0]	:	output;
) 
VARIABLE 
	add_sub_cella[25..0] : carry_sum;
	external_cin_cell : carry_sum;
	datab_node[25..0]	: WIRE;
	main_cin_wire	: WIRE;

BEGIN 
	add_sub_cella[0].cin = ((dataa[0..0] & datab_node[0..0]) # ((dataa[0..0] # datab_node[0..0]) & main_cin_wire));
	add_sub_cella[1].cin = ((dataa[1..1] & datab_node[1..1]) # ((dataa[1..1] # datab_node[1..1]) & add_sub_cella[0].cout));
	add_sub_cella[2].cin = ((dataa[2..2] & datab_node[2..2]) # ((dataa[2..2] # datab_node[2..2]) & add_sub_cella[1].cout));
	add_sub_cella[3].cin = ((dataa[3..3] & datab_node[3..3]) # ((dataa[3..3] # datab_node[3..3]) & add_sub_cella[2].cout));
	add_sub_cella[4].cin = ((dataa[4..4] & datab_node[4..4]) # ((dataa[4..4] # datab_node[4..4]) & add_sub_cella[3].cout));
	add_sub_cella[5].cin = ((dataa[5..5] & datab_node[5..5]) # ((dataa[5..5] # datab_node[5..5]) & add_sub_cella[4].cout));
	add_sub_cella[6].cin = ((dataa[6..6] & datab_node[6..6]) # ((dataa[6..6] # datab_node[6..6]) & add_sub_cella[5].cout));
	add_sub_cella[7].cin = ((dataa[7..7] & datab_node[7..7]) # ((dataa[7..7] # datab_node[7..7]) & add_sub_cella[6].cout));
	add_sub_cella[8].cin = ((dataa[8..8] & datab_node[8..8]) # ((dataa[8..8] # datab_node[8..8]) & add_sub_cella[7].cout));
	add_sub_cella[9].cin = ((dataa[9..9] & datab_node[9..9]) # ((dataa[9..9] # datab_node[9..9]) & add_sub_cella[8].cout));
	add_sub_cella[10].cin = ((dataa[10..10] & datab_node[10..10]) # ((dataa[10..10] # datab_node[10..10]) & add_sub_cella[9].cout));
	add_sub_cella[11].cin = ((dataa[11..11] & datab_node[11..11]) # ((dataa[11..11] # datab_node[11..11]) & add_sub_cella[10].cout));
	add_sub_cella[12].cin = ((dataa[12..12] & datab_node[12..12]) # ((dataa[12..12] # datab_node[12..12]) & add_sub_cella[11].cout));
	add_sub_cella[13].cin = ((dataa[13..13] & datab_node[13..13]) # ((dataa[13..13] # datab_node[13..13]) & add_sub_cella[12].cout));
	add_sub_cella[14].cin = ((dataa[14..14] & datab_node[14..14]) # ((dataa[14..14] # datab_node[14..14]) & add_sub_cella[13].cout));
	add_sub_cella[15].cin = ((dataa[15..15] & datab_node[15..15]) # ((dataa[15..15] # datab_node[15..15]) & add_sub_cella[14].cout));
	add_sub_cella[16].cin = ((dataa[16..16] & datab_node[16..16]) # ((dataa[16..16] # datab_node[16..16]) & add_sub_cella[15].cout));
	add_sub_cella[17].cin = ((dataa[17..17] & datab_node[17..17]) # ((dataa[17..17] # datab_node[17..17]) & add_sub_cella[16].cout));
	add_sub_cella[18].cin = ((dataa[18..18] & datab_node[18..18]) # ((dataa[18..18] # datab_node[18..18]) & add_sub_cella[17].cout));
	add_sub_cella[19].cin = ((dataa[19..19] & datab_node[19..19]) # ((dataa[19..19] # datab_node[19..19]) & add_sub_cella[18].cout));
	add_sub_cella[20].cin = ((dataa[20..20] & datab_node[20..20]) # ((dataa[20..20] # datab_node[20..20]) & add_sub_cella[19].cout));
	add_sub_cella[21].cin = ((dataa[21..21] & datab_node[21..21]) # ((dataa[21..21] # datab_node[21..21]) & add_sub_cella[20].cout));
	add_sub_cella[22].cin = ((dataa[22..22] & datab_node[22..22]) # ((dataa[22..22] # datab_node[22..22]) & add_sub_cella[21].cout));
	add_sub_cella[23].cin = ((dataa[23..23] & datab_node[23..23]) # ((dataa[23..23] # datab_node[23..23]) & add_sub_cella[22].cout));
	add_sub_cella[24].cin = ((dataa[24..24] & datab_node[24..24]) # ((dataa[24..24] # datab_node[24..24]) & add_sub_cella[23].cout));
	add_sub_cella[25].cin = ((dataa[25..25] & datab_node[25..25]) # ((dataa[25..25] # datab_node[25..25]) & add_sub_cella[24].cout));
	add_sub_cella[0].sin = ((dataa[0..0] $ datab_node[0..0]) $ main_cin_wire);
	add_sub_cella[1].sin = ((dataa[1..1] $ datab_node[1..1]) $ add_sub_cella[0].cout);
	add_sub_cella[2].sin = ((dataa[2..2] $ datab_node[2..2]) $ add_sub_cella[1].cout);
	add_sub_cella[3].sin = ((dataa[3..3] $ datab_node[3..3]) $ add_sub_cella[2].cout);
	add_sub_cella[4].sin = ((dataa[4..4] $ datab_node[4..4]) $ add_sub_cella[3].cout);
	add_sub_cella[5].sin = ((dataa[5..5] $ datab_node[5..5]) $ add_sub_cella[4].cout);
	add_sub_cella[6].sin = ((dataa[6..6] $ datab_node[6..6]) $ add_sub_cella[5].cout);
	add_sub_cella[7].sin = ((dataa[7..7] $ datab_node[7..7]) $ add_sub_cella[6].cout);
	add_sub_cella[8].sin = ((dataa[8..8] $ datab_node[8..8]) $ add_sub_cella[7].cout);
	add_sub_cella[9].sin = ((dataa[9..9] $ datab_node[9..9]) $ add_sub_cella[8].cout);
	add_sub_cella[10].sin = ((dataa[10..10] $ datab_node[10..10]) $ add_sub_cella[9].cout);
	add_sub_cella[11].sin = ((dataa[11..11] $ datab_node[11..11]) $ add_sub_cella[10].cout);
	add_sub_cella[12].sin = ((dataa[12..12] $ datab_node[12..12]) $ add_sub_cella[11].cout);
	add_sub_cella[13].sin = ((dataa[13..13] $ datab_node[13..13]) $ add_sub_cella[12].cout);
	add_sub_cella[14].sin = ((dataa[14..14] $ datab_node[14..14]) $ add_sub_cella[13].cout);
	add_sub_cella[15].sin = ((dataa[15..15] $ datab_node[15..15]) $ add_sub_cella[14].cout);
	add_sub_cella[16].sin = ((dataa[16..16] $ datab_node[16..16]) $ add_sub_cella[15].cout);
	add_sub_cella[17].sin = ((dataa[17..17] $ datab_node[17..17]) $ add_sub_cella[16].cout);
	add_sub_cella[18].sin = ((dataa[18..18] $ datab_node[18..18]) $ add_sub_cella[17].cout);
	add_sub_cella[19].sin = ((dataa[19..19] $ datab_node[19..19]) $ add_sub_cella[18].cout);
	add_sub_cella[20].sin = ((dataa[20..20] $ datab_node[20..20]) $ add_sub_cella[19].cout);
	add_sub_cella[21].sin = ((dataa[21..21] $ datab_node[21..21]) $ add_sub_cella[20].cout);
	add_sub_cella[22].sin = ((dataa[22..22] $ datab_node[22..22]) $ add_sub_cella[21].cout);
	add_sub_cella[23].sin = ((dataa[23..23] $ datab_node[23..23]) $ add_sub_cella[22].cout);
	add_sub_cella[24].sin = ((dataa[24..24] $ datab_node[24..24]) $ add_sub_cella[23].cout);
	add_sub_cella[25].sin = ((dataa[25..25] $ datab_node[25..25]) $ add_sub_cella[24].cout);
	external_cin_cell.cin = cin;
	external_cin_cell.sin = B"0";
	datab_node[] = datab[];
	main_cin_wire = external_cin_cell.cout;
	result[] = add_sub_cella[].sout;
END;
--VALID FILE