eastwood
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i use vhdl toolbox to simulate a testbench of a inverter in virtuoso. 'a' is input und 'z' is output. but waveform are not showed. the error message is ncsim: *E,OBJACC: Object must have read access: :a. ncsim: *E,OBJACC: Object must have read access: :gnd. ncsim: *E,OBJACC: Object must have read access: :vdd. ncsim: *E,OBJACC: Object must have read access: :z. why?
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