ModelSim-Altera (Quartus II 9.1sp1) Starter Edition is a free, entry-level HDL simulation tool bundled with the Quartus II 9.1 SP1 FPGA design suite. Tailored for Altera (now Intel FPGA) workflows, it supports VHDL and Verilog design and testbench simulation, integrates with the Quartus project flow, and includes device libraries for functional and post-fit timing simulations of Quartus-generated netlists. The environment provides a graphical waveform viewer, breakpoints, and signal tracing to help debug and verify FPGA designs.
As a Starter Edition, it offers reduced performance and capacity compared to full ModelSim/Questa products and omits some advanced verification features, making it best suited for learning, small projects, and basic verification tasks. It is a legacy release aligned specifically with Quartus II 9.1 SP1-era devices and toolchains.
ModelSim-Altera (Quartus II 9.1sp1) Starter Edition is developed by Model Technology. The most popular version of this product among our users is 9.1. The name of the program executable file is modelsim.exe.
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