# C:/altera/72/quartus/DDFS_lateral/PPA/simulation/modelsim/gate_work I have a problem with gate level modeling as you mentioned i tried to add cycloneive_ver but i think i cant create it the following errors establish when i want to simulate can u help me thanks We’ll click the Simulate -> Start Simulation. We need to start the simulation and tell it where to find the Cyclone IVe I/O pin library. # ** Error: (vsim-3033) SimpleInverter_6_1200mv_85c_slow.vo(77): Instantiation of 'cycloneive_io_ibuf' failed. # C:\altera\11.0sp1\simulation\modelsim\gate_work # ** Error: (vsim-3033) SimpleInverter_6_1200mv_85c_slow.vo(67): Instantiation of 'cycloneive_io_obuf' failed. If you try to begin the gate-level simulation like we did with the RTL simulation (double clicking the work/SimpleInverter module), you’ll be given the following error: Now comes a little trick to start this simulation. If you get a NativeLink error, something like “ error deleting "msim_transcript": permission denied.” you’ll need to make sure you close your current ModelSim environment, or at least stop the current simulation. Also, select the ModelSim-Altera as the simulation tool and select the format as Verilog HDL. When using the New Project Wizard, make sure to select the DE0-Nano’s FPGA which is the EP4CE22F17C6. Start by creating a new project in Quartus II. Note that you will have to install the ModelSim (Altera Version) software separately from Quartus, Altera’s website makes it seem like they come bundled but this is not the case. I recommend installing both tools at the same time, from the same release. You can see the versions of my software aren’t the same, this is probably why I have the EDA tool pathing issue described below. ModelSim 10.0C (Quartus 11.1) Starter Edition.Going through the examples in the DE0-Nano User manual should be sufficient.įor the tutorial, I’m using the following versions of the software: This tutorial assumes you have some basic experience working with Quartus II.
This is a tutorial to walk you through how to use Quartus II and ModelSim software together to create and analyze a simple design (an inverter), then we’ll compare the RTL and Gate-Level simulations with the results on a DE0-Nano.
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