Intel® Quartus® Prime Pro Edition User Guide: Debug Tools

ID 683819
Date 10/02/2023

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Document Table of Contents Intel® Quartus® Prime Settings Implementation

As an alternative to HDL pragmas, you can specify the following assignment to apply the Preserve for Debug assignment through the .qsf settings file directly, or with Assignment Editor.
set_instance_assignment -name PRESERVE_FOR_DEBUG ON -to \
     <node hpath>
Note: This assignment supports the use of wildcards (*).

Specifying Preserve Signal for Debug in the Assignment Editor

If you prefer to specify assignments in the Intel® Quartus® Prime software GUI, rather than in the .qsf directly, you can specify the Preserve signal for debug assignment in Assignment Editor (Assignments menu).

Figure 15. Specifying the Preserve Signal for Debug in the Assignment Editor