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Mentor Graphics ModelSim is a Windows-based software whose user interface provides users with numerous capabilities for programming, simulating, scheduling, debugging and analyzing FPGA chips . Mentor Graphics ModelSim specifically supports VHDL and Verilog languages, and users can use standard ASIC and FPGA libraries in their applications when programming. Features and specifications of ModelSim software:.Suspect GTKwave will allow you to add them afterwards with some virtualįunctions). Nice tutorial although I would forget about the VCD format as it is not
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> I desplayed Youtube "Getting Started With VHDL on Windows (GHDL & GTKWave)" > I appreciate your sharing experiences with us. It seems to me that buying a Modelsim perpetual use of PE, or other advanced version may be my best option. I asked one Modelsim seller who offers to sell Modelsim DE.ĭo you have any experiences with different versions of Modelsim and their prices? I desplayed Youtube "Getting Started With VHDL on Windows (GHDL & GTKWave)" I appreciate your sharing experiences with us. > Modelsim SE has been obsolete for at least 8 years (replaced by Questa). > surprise as Mentor has an army of engineers trying to squeeze the last > changed and GHDL was still 6x slower than Modelsim 10.7c. I ran two of my test cases again to see if anything has > wrote an amazing piece of software but it is definitely not faster than > Hum? why should it be faster? I give all kudos to Tristan (et al.) as he It can be used to test a pre-issued product playing the same rule as Modelsim does, but it should be faster than Modelsim PE or SE. The speed is very important factor to get all bugs discovered. I will be comfortable with this method: As an experienced VHDL designer, I spent most of time running Modelsim until an error showed up. At least it provides files to communicate with third party software to view the waveform.
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It can be used to test a pre-issued product playing the same rule as Modelsim does, but it should be faster than Modelsim PE or SE.ģ. It can be used to correct all VHDL grammar errors, playing the same rule as Modelsim does.Ģ.
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Now I know why GHDL is not populous, the basic reason is it has no waveform viewer!īut for a free version, it still has its values:ġ. Several third party projects are supported: VUnit, OSVVM, cocotb (through the VPI interface). It supports the 1987, 19 revisions and, partially, the latest, 2008. GHDL aims at implementing VHDL as defined by IEEE 1076. Moreover, the current version can produce a GHW, VCD or FST files which can be viewed with a waveform viewer, such as GtkWave. You can still check the behavior of your design with a test bench. The current version of GHDL does not contain any graphical viewer: you cannot see signal waves. On the assumption that you installed GHDL for the purposes of filling up your disk, I would suggest you format your hard drive. On the assumption that you installed GHDL for no purpose at all I would suggest you uninstall the program to free up the disk space. On the assumption that you installed GHDL for the purposes of having someone else do something, then hire someone to do the work. Using your knowledge gained from the previous steps, run the GHDL program on your VHDL files Find the location on your hard disk where you have stored your VHDL file(s) Explore your hard disk to see where the GHDL program has been stored
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Read the documentation for how to run the GHDL program But since you seem to require step by step instructions, On the assumption that you installed GHDL for the purposes of running the GHDL program to process some VHDL design, I would normally suggest that you run the GHDL program. But here are a few directions you can go based on different assumptions. It depends on your goals which I can only speculate about.
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With new code and a new design, so this does not apply. However, my understanding is that the OP is doing tests and experiments (I work mainly withĮmbedded software, rather than programmable logic, but the same applies Yes, I realise that - and I recommend not changing the tools for anĮxisting project without extremely good reason. > between versions (not always for the better). > version, the first thing I do is try and build with that version, then port So if somebody gives me a project built with a particular > with respect to supplied IP cores, which can change functionality in > porting from one version of the tools to another is nontrivial (particularly > There's a legitimate reason to use an old version when synthesising, because > yourself the fuss with the licence files? > handling old chips, then why not use newer and better versions, and save If you don't specifically need this old version of the software for