verga(1) on Linux
The text 6a36d3b7af6a, as Debian 9 (Stretch), Debian 8 (Jessie) shipped it.
VERrilog simulator for tkGAte
Flags it lists
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-B -
-D -
-P -
-S -
-W -
-d -
-e -
-i -
-l -
-q -
-s -
-t