vvp(1) Version 13.0 (stable) vvp(1) (NAME) vvp - Icarus Verilog vvp (SYNOPSIS) vvp [-inNqsvV] [-Mpath] [-mmodule] [-llogfile] inputfile [extended- args...] (DESCRIPTION) vvp Icarus Verilog . iverilog vvp . (OPTIONS) vvp : -i . -llogfile (logfile) MCI . logfile '-' . $display . -Mpath VPI . system.vpi . . -mmodule vvp . system.vpi . . .vpi . . -n $stop $finish . . -N -n $stop 1 . testbench . -q (quiet mode). 0 MCD ( $display ) . STDOUT . -s (Stop). . . -v (verbose). . -V . (EXTENDED ARGUMENTS) vvp . . vvp $test$plusargs $value$plusargs . (+) $plusargs PLI vpi_get_vlog_info . vpi + plus-arg . system.vpi ( ) . . -vcd (wave dump) VCD . IVERILOG_DUMPER . VCD . -lxt|-lxt-speed|-lxt-space lxt ( ) . -lxt-space lxt . . -lxt-speed lxt . -lxt2|-lxt2-speed|-lxt2-space -lx2|-lx2-speed|-lx2-space LXT2 LXT . lxt2 ( ) . -lxt2-speed -lx2-speed -lxt2 -lx2 . -lxt2-space -lx2-space . -fst|-fst-speed|-fst-space -fst-space-speed|-fst-speed-space . -lxt2 . -fst-speed . -fst-space (repack) . -fst-space-speed -fst-speed-space . -none (vcd/lxt/lxt2/lx2/fst) . . -sdf-warn SDF . -sdf-info SDF . -sdf-verbose -sdf-info -sdf-warn . -compatible . . (ENVIRONMENT) vvp . . IVERILOG_DUMPER=fst|lxt|lxt2|lx2|vcd|none . vcd lxt GTKWave . VCD . IVERILOG_VPI_MODULE_PATH=/some/path:/some/other/path VPI . -M . ( ) . (INTERACTIVE MODE) . ( ) . help . $stop VPI vpi_control vpiStop . . (AUTHORS) Steve Williams (steve@icarus.com) (SEE ALSO) iverilog(1), iverilog-vpi(1), (COPYRIGHT) Copyright (C) 2001-2026 Stephen Williams 2.0 . Jan 13th, 2026 vvp(1)