17-7
VCD+ (vpd) File Generation
$vcdplusautoflushoff;
$vcdplusfile
The $vcdplusfile specifies a VCD+ file name. If not specified,
VCD.vpd is default for VHDL and vcdplus.vpd is default for Verilog.
Syntax:
$vcdplusfile ("filename");
$vcdplusclose
The $vcdplusclose terminates all tracing, flushes data to file,
closes the current VCD+ file, and resets all default settings.
Syntax:
$vcdplusclose;
System Tasks and Functions for MDAs
This section describes system tasks and functions that provide
visibility into multi-dimensional arrays (MDAs).
There are two ways to view MDA data:
• The first method, which uses the $vcdplusmemon and
$vcdplusmemoff system tasks, records data each time an MDA
has a data change.
• The second method, which uses the $vcdplusmemorydump
system task, stores data only when the task is called.
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