www.pudn.com > Time.rar > add_sub_lkc.tdf


--lpm_add_sub CARRY_CHAIN="MANUAL" CARRY_CHAIN_LENGTH=48 DEVICE_FAMILY="Cyclone II" LPM_DIRECTION="SUB" LPM_WIDTH=1 cout dataa datab result 
--VERSION_BEGIN 7.2SP3 cbx_cycloneii 2007:06:13:15:47:32:SJ cbx_lpm_add_sub 2007:08:06:16:01:34:SJ cbx_mgl 2007:08:03:15:48:12:SJ cbx_stratix 2007:10:18:20:36:46:SJ cbx_stratixii 2007:10:19:15:30:42:SJ  VERSION_END 
 
 
-- Copyright (C) 1991-2007 Altera Corporation 
--  Your use of Altera Corporation's design tools, logic functions  
--  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  
--  associated documentation or information are expressly subject  
--  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  
--  Altera or its authorized distributors.  Please refer to the  
--  applicable agreement for further details. 
 
 
 
--synthesis_resources =  
SUBDESIGN add_sub_lkc 
(  
	cout	:	output; 
	dataa[0..0]	:	input; 
	datab[0..0]	:	input; 
	result[0..0]	:	output; 
)  
VARIABLE  
	carry_eqn[0..0]	: WIRE; 
	cin_wire	: WIRE; 
	datab_node[0..0]	: WIRE; 
	sum_eqn[0..0]	: WIRE; 
 
BEGIN  
	carry_eqn[] = ( ((dataa[0..0] & datab_node[0..0]) # ((dataa[0..0] # datab_node[0..0]) & cin_wire))); 
	cin_wire = B"1"; 
	cout = carry_eqn[0..0]; 
	datab_node[] = (! datab[]); 
	result[] = sum_eqn[]; 
	sum_eqn[] = ( ((dataa[0..0] $ datab_node[0..0]) $ cin_wire)); 
END; 
--VALID FILE