User guide

D-20
Compiler Directives and System Tasks
$vcdplusdeltacycleon
Enables delta cycle recording in the VPD file for post-processing.
Syntax:
$vcdplusevent(net_or_reg,"event_name",
"<E|W|I><S|T|D>");
Displays, in DVE, a symbol on the signal’s waveform and in the
Logic Browser. The event_name argument appears in the status
bar when you click on the symbol.
E|W|I specifies severity. E for error, displays a red symbol, W for
warning, displays a yellow symbol, I for information, displays a
green symbol.
S|T|D specifies the symbol shape. S for square, T for triangle, D
for diamond.
Enter no space between the E|W|I and the S|T|D arguments.
Do not include angle brackets < >.
There is a limit of 244 unique events.
$vcdplusdumpportsoff
Tells VCS to suspend writing to VPD file the transition times and
values of the module instance specified by
$vcdplusdumpportson system task. You can use
$vcdplusdumpportsoff system task with arguments, but it is
not required. Syntax:
$vcdplusdumpportsoff(level_number,
module_instance);