Quoting Ian Chapman <[EMAIL PROTECTED]>:

> Hi all,
>
>             My waveforms in gtkwave look to be doing the right thing but I
> get the following error each time my 50 nsec clock ticks and running for 1
> msec gives lots of errors.  The results with gtkwave look okay but once
> programmed the Marchxo is only partially working so I guess it's not dead.
> Any suggestions as to what I should look for in my hdl source files would be
> greatly appreciated.  I guess I have a glitch or spike somewhere.  I'll
> bring some of the internals to the outside to trouble shoot.

These assertions are triggered by numeric_std functions such as "+" when one
operand contains metavalue (ie 'X', 'U', '-', 'Z', 'W').

This may not be an error before reset is complete but shouldn't happen later.
If this occurs with values from signals this should be visible in gtkwave.

tristan.

_______________________________________________
Ghdl-discuss mailing list
[email protected]
https://mail.gna.org/listinfo/ghdl-discuss

Reply via email to