VCD conversion of bus at value Z bug (TA 0.982)

[Ed Carstens]

If every bit of a bus is Z (Hi-Z or tristate), then VCD abbreviates it as follows:

bz <sigID>

where <sigID> is the signal ID, often a single character.

TimingAnalyzer version 0.982 is not converting this correctly. Instead of all bits being Z, it only converts bit0 as Z. The rest of the bits are 0.

[Ed Carstens]

BTW, the same issue occurs with X. Instead of all bits being X, TA is only converting bit0 to X; the rest of them are 0.

[Dan Fabrizio]

Hi Ed,

I will fix that one.   If you send me the VCD files,  that would help.

Thanks, Dan  

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Dan Fabrizio
The TimingAnalyzer
www.timing-diagrams.com

[Dan Fabrizio]

Ed,

I don't have any vcd files with buses so it would be a big help if you can send me at least one to look at.

Thanks, Dan

[Ed Carstens]

No problem, here you go. The two buses to observe are named 'm_data' and 'mrdata_i_r'.