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modelsim user manual
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ModelSim User's Manual, v10.1c Viewing Expanded Time Information in the Wave Window . Replacing Instances with Output Values from a VCD File . Click the + sign next to the sim filename to see the contents of vsim.wlf dataset. c. Double-click counter.v (or counter.vhd if you are simulating the VHDL This manual uses the following conventions to define ModelSim command syntax. dataset name or a hierarchical path (e.g., u1/data or view:clk). In addition to model code, Test Bench script has to be given in order After simulation report and “<file>.vcd” is generated, now type the. GTKWave is a waveform viewer that can view VCD files produced by most Verilog simulation tools, as well as LXT files produced by certain Verilog simulationSimulation of a VHDL Design—the vsim Command . Viewing Expanded Time Information in the Wave Window . Compressing Files with VCD Tasks. A .vcd file is an IEEE 1364-1995 standard file that contains all the simulation waveform information that is useful for debugging simulation.