Modelsim apears in two editions altera edition and altera starter edition. The command line argument is read as a string by python, so make sure to convert it as an integer in case you are dealing with numbers. Lately i have been working on some projects using verilog. Now i would like to write some tests using similar commands. It seems that isim is very limited compared to modelsim since most of the commands i would like to use do not exist in its command group.
I have never used this preprocessor feature of verilog before. Restart a simulation restart f save a waveform to a. For most commands that write information to the main window, that information is also available as a tcl result. Text printed in smaller monospace is help available either as a manual page or as a program help option. This is a beginners tutorial to get you off the ground from scratch.
The problem is that in the command line it stays in the vsim command and doesnt return to execute the next instructions in the batch file. The bookmark add wave command creates a named reference to a specific zoom range and scroll position in the specified wave wind ow. Tutorial using modelsim for simulation, for beginners. To start modelsim and source this script from the command line, type this. What to use for vhdldigital logic simulation on mac os x. Note that i am using questasim which is similar to modelsim, more like its big brother. Click the download free trial button above and get a 14day, fullyfunctional trial of crossover. Text printed in courier bold is to be entered by the user. Installing and uninstalling modelsim xe under microsoft windows. The f argument specifies a file that contains more command line arguments. The tutorial was prepared using modelsim pe student edition running on windows 7.
Write, compile, and simulate a verilog model using modelsim. File and directory pathnames several modelsim commands have arguments that specify file or directory locations pathnames. However, when compiling in quartus we dont always need to go through all of the sythesis and timing steps, instead one may just need to verify their source code is compilable. Modelsim is an easytouse yet versatile vhdlsystemverilogsystemc simulator by mentor graphics. Unauthorized copying, duplication, or other reproduction is prohibited without the written consent of model technology.
Start a new quartus project using the project wizard and choose sums as the name of design and top module. In the terminal provided by xquartz, run the following command. Basic linux commands for beginners linux maker pro. Hi, i have several tcl files which have been used in modelsim.
We must first establish the library directory work variable corresponding to line work. Find modelsim training at mentor graphics training centers around the world or at your site. This tutorial covers some advanced features of modelsim that will make debugging much less painful. My main development environment has been altera quartus ii which works fine. Writing batch files for simulation in modelsimquestasim. For more complex projects, universities and colleges have access to modelsim and questa, through the higher education program.
Combined with a guibased wave viewer and a good vhdl text editor, ghdl is a very powerful tool for writing, testing and simulating your vhdl code. By using command substitution the results can be made available to another command or assigned to a tcl variable. The information in this manual is subject to change without notice and does not. Asking the question classinfo isa apple would return apple, honeycrisp, goldendelicious. It is divided into topics, which you will learn more about in subsequent lessons. This lesson provides a brief conceptual overview of the modelsim simulation environment. The complete list can be found in the modelsim help documentation, but for purposes of this tutorial we will cover some of the most commonly used commands. Compiling verilog on the command line with modelsim shorne.
Mar 21, 2018 tips and tricks for using linux command line. There are several advantages to using terminal to accomplish some tasks its usually quicker, for example. Bookmarks are saved in the wave format file and are restored when the format file is read see write format command cr188. Watch this introductory tutorial video on how to set up and run a simulation. Follow the instructions in the quartus, modelsim, and systembuilder software installation guide. Modelsim by altera corporation is a wellknown hdl simulation tool for vhdl, verilog and systemc languages. Since force commands like all commands can be included in a macro file, it is possible to create complex sequences of stimuli. This document is for information and instruction purposes.
What to use for vhdldigitallogic simulation on mac os x. After youve downloaded crossover check out our youtube tutorial video to the left, or visit the crossover mac walkthrough for specific steps. For example, you just need to type cd doc and then tab and the terminal fills the rest up and makes it. Customers have to select modelsim pro in tool profiles to access this release.
This is believed to be possible but has not been investigated. Mentor graphics reserves the right to make changes in specifications and other information contained in this publication without prior notice, and the. Gtkwave is an analysis tool used to perform debugging on verilog or vhdl. The libero silver license supports only modelsim me, while gold and platinum licenses support modelsim pro. After youve downloaded crossover check out our youtube tutorial video to the left, or visit the crossover chrome os walkthrough for specific steps. Mentor graphics achieves iso 26262 certification for questa product line. Modelsim remedies this by providing a long list of simulator commands. Modelsimaltera software support intel fpga and soc. How to run simulations in batch mode from the command line. The operating system support pages include release notes that describe known issues in the modelsimaltera software. How do i compile and run a vhdl program on mac with ghdl. Unfortunately, there is no official version of modelsim for mac available on the market, so you will have to use other programs that can do this job.
Edit the transcript file and save the file with an extension of. Modelsim pe student edition is intended for use by students in pursuit of their academic coursework and basic educational projects. A short intro to modelsim verilog simulator cmuece. And yes getting the source for the two vhdl files from the tutorial was. You can force virtual signals um248 if the number of bits corresponds to the signal. Modelsim pe student edition is not be used for business use or evaluation. Comments within the argument files follow these rules. This document shows you how to install and uninstall modelsim xe 5. To create a library directory we need to issue the command. Command return values cr7 modelsim command reference command return values all simulator commands are invoked using tcl. Note that if running gtkwave on the command line out of a precompiled. The problem is that, the batch file contains commands for questasim while the files being compiled contain verilog instructions for hardware description. Create a project a project is a collection entity for an hdl design under specification or test. Control panel means that you click on the start button, select the settings submenu and finally click on.
You can use the clear command to clear the terminal if it gets filled up with too many commands. Ill list the command lines for a ghdl waveform format version. Mentor graphics modelsim simulator is a sourcelevel verification tool, allowing you to verify hdl code line by line. Modelsim is a program created by mentor graphics used for simulating your vhdl and verilog designs.
The operating system support pages include release notes that describe known issues in the modelsim altera software. In this tutorial we will mostly write commands in transcript. However, when compiling in quartus we dont always need to go through all of the sythesis and timing steps, instead one may just. Before reading this tutorial, you should be familiar with the basic use of modelsim, covered in this tutorial. The wave window opens in the right side of the main window. For example, you just need to type cd doc and then tab and the terminal fills the rest up and makes it cd documents. Modelsim pe student edition click the download free trial button above and get a 14day, fullyfunctional trial of crossover. This tutorial explains first why simulation is important, then shows how you can acquire modelsim student edition for free for your personal use. Ghdl is an opensource simulator for the vhdl language. To quit without modelsim confirming that you want to quit type q and enter. Ghdl allows you to compile and execute your vhdl code directly in your pc. In order to use it, however, youll need to get to grips with its basic commands and functions. It is divided into fourtopics, which you will learn more about in subsequent. You will now recreate the simulation you performed in the previous section using only command line functions.
It is the most widely use simulation program in business and education. Mentor graphics reserves the right to make changes in specifications and other information contained in this publication without prior notice, and the reader should, in all cases, consult mentor graphics to determine whether any changes have been made. Hi there, i was developing a tcl script for simulation with modelsim. The commands invoked by buttons and menu selections are echoed there. Text printed in italics is a pathname in the file system or is the name of an application program. The tcl script accepts some command line arguments like simconfig.
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