Technical data

A VCD file from source to output
ModelSim EE/PLUS Reference Manual Value Change Dump (VCD) Files
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495
VCD simulator commands
At simulator time zero (around 9 am on 4/12/96), the designer executes the
following commands and quits the simulator at time 1200:
vcd file output.vcd -direction
vcd add -r *
force reset 1 0
force data_in 0 0
force clk 0 0
run 100
force clk 1 0, 0 50 -repeat 100
run 100
vcd off
force reset 0 0
force data_in 1 0
run 100
vcd on
run 850
force reset 1 0
run 50
vcd checkpoint
VCD output
The VCD file created as a result of the preceding scenario would be called
output.vcd.
The following pages show how it would look.