User guide

6-4
VPD and EVCD File Generation
scope
Specifies the name of the scope in which to record signal value
changes (default is all).
signal
Specifies the name of the signal in which to record signal value
changes (default is all).
Note:
In the syntax, * indicates that the argument can have a list of more
than one value (for scopes or signals).
Example 1: Record all signal value changes.
$vcdpluson;
Example 2: Record signal value changes for scope
test.risc1.alureg and all levels below it.
$vcdpluson(test.risc1.alureg);
Example 3: Record two levels of signal value changes: scope (test)
and one level below.
$vcdpluson(2, test);
$vcdplusoff
The $vcdplusoff task stops recording the signal value changes for
specified scopes or signals.
Syntax:
$vcdplusoff (level,scope*,signal*);
Example 1: Turn recording off.
$vcdplusoff();