--lpm_add_sub CARRY_CHAIN="MANUAL" CARRY_CHAIN_LENGTH=48 DEVICE_FAMILY="Cyclone IV E" LPM_DIRECTION="SUB" LPM_WIDTH=2 cout dataa datab result --VERSION_BEGIN 18.1 cbx_cycloneii 2018:09:12:13:04:24:SJ cbx_lpm_add_sub 2018:09:12:13:04:24:SJ cbx_mgl 2018:09:12:13:10:36:SJ cbx_nadder 2018:09:12:13:04:24:SJ cbx_stratix 2018:09:12:13:04:24:SJ cbx_stratixii 2018:09:12:13:04:24:SJ VERSION_END -- Copyright (C) 2018 Intel Corporation. All rights reserved. -- Your use of Intel 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 Intel Program License -- Subscription Agreement, the Intel Quartus Prime License Agreement, -- the Intel FPGA IP License Agreement, or other applicable license -- agreement, including, without limitation, that your use is for -- the sole purpose of programming logic devices manufactured by -- Intel and sold by Intel or its authorized distributors. Please -- refer to the applicable agreement for further details. --synthesis_resources = SUBDESIGN add_sub_8pc ( cout : output; dataa[1..0] : input; datab[1..0] : input; result[1..0] : output; ) VARIABLE carry_eqn[1..0] : WIRE; cin_wire : WIRE; datab_node[1..0] : WIRE; sum_eqn[1..0] : WIRE; BEGIN carry_eqn[] = ( ((dataa[1..1] & datab_node[1..1]) # ((dataa[1..1] # datab_node[1..1]) & carry_eqn[0..0])), ((dataa[0..0] & datab_node[0..0]) # ((dataa[0..0] # datab_node[0..0]) & cin_wire))); cin_wire = B"1"; cout = carry_eqn[1..1]; datab_node[] = (! datab[]); result[] = sum_eqn[]; sum_eqn[] = ( ((dataa[1..1] $ datab_node[1..1]) $ carry_eqn[0..0]), ((dataa[0..0] $ datab_node[0..0]) $ cin_wire)); END; --VALID FILE