debugging {-nousage-} {See these commands for debugging operations: bp bd when examine step run change add delete force view.} execution {-nousage-} {See step run vsim_break stop.} {.main clear} {The .main clear command clears the Transcript window.} {-noargs-} abort {The abort command halts the execution of a macro file interrupted by a breakpoint or error. When macros are nested, you may choose to abort the last macro only, abort a specified number of nesting levels, or abort all macros. The abort command may be used within a macro to return early.} {[ | all]} {add atv} {The add atv command opens an Assertion Thread View (ATV) window for the specified assert or cover directive (designated by its pathname), at the specified evaluation attempt start time.} {