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#**************************************************************
# This .sdc file is created by Terasic Tool.
# Users are recommended to modify this file to match users logic.
#**************************************************************

#**************************************************************
# Create Clock
#**************************************************************
create_clock -add -name sys_clk_pin -period 20 -waveform {0 10} [get_ports clk]
# create_clock -add -name sys_clk_pin -period 20 -waveform {0 10} [get_ports CLOCK_50]

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/////////////////////////////////////////////////////////////////////////////
// GCET231 - Circuitos Digitais II
///////////////////////////////////////////////////////////////////////////////
// File Downloaded from http://www.nandland.com
///////////////////////////////////////////////////////////////////////////////
module full_adder 
(
   i_bit1,
   i_bit2,
   i_carry,

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/////////////////////////////////////////////////////////////////////////////
// GCET231 - Circuitos Digitais II
/////////////////////////////////////////////////////////////////////////////
// File Downloaded from http://www.nandland.com
/////////////////////////////////////////////////////////////////////////////
module carry_lookahead_adder_4_bit 
(
   input        clk, rst,
   input [3:0]  add1,
   input [3:0]  add2,

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`timescale 1ns/1ps

module adder_tb();
  reg [31:0] a, b; 
  wire [31:0] c; 
  
  adder dut (.a(a), .b(b), .c(c)); // device under test 
 
  initial begin 
    $dumpfile("adder.vcd"); 

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ModelSim Installation issues

Ubuntu 14.xx and above

Ignore this if you have not encountered any issue with the installation and running of ModelSim and Quartus on your system. You are very lucky. (Just Kidding! You have surely had this issue, only sorted.)

Hence assuming you have been following the procedure given in this guide. Most certainly, Quartus will install jsut fine, and so will ModelSim. The issue is in launching due to inappropriate linking etc.

Stage 1

This is the simplest error you would encounter. Navigate to the modelsim_ase folder and run:

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#!/bin/bash

################################################################################
###                       Install Quartus and ModelSim                       ###
################################################################################
#            Source code at https://github.com/arthurbeggs/scripts             #
################################################################################
#                                                                              #
#    Based on https://github.com/jessebarreto/ConfigureWorkspace script.       #
#                                                                              #