Technical data

write tssi

ModelSim EE/SE Command Reference ModelSim Commands CR-237

Bidirectional logic values are not converted because only the resolved value is

available. The TSSI ASCII In Converter and ASCII Out Converter can be used to

resolve the directionality of the signal and to determine the proper forcing or

expected value on the port. Lowercase values x, z, w, l and h are converted to the

same values as the corresponding capitalized values. Any other values will cause

an error message to be generated the first time an invalid value is detected on a

signal, and the value will be converted to a question mark (?).

Note: The TSSI ASCII In Converter and ASCII Out Converter are part of the TSSI software from Summit

Design. ModelSim outputs a vector file, and Summit’s tools determine whether the bidirectional signals are

driving or not.