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Old 07-10-2004, 09:39 PM
Andy Botterill
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Default Re: evcd file format

In article <[email protected] >, swang1
<[email protected]> writes
>I want to write a waveform viewer, supporting VCD and EVCD. I have
>VCD file format. Does anyone know where to get EVCD file format
>definition ?

Extended VCD format is created by ModelSim. In the ModelSim there is a
chapter on VCD and extended VCD file format. This is chapter 13 - Value
Change Dump (VCD) Files. One major difference between extended VCD and
VCD formats is that the port direction is implied by the state

Happy coding.

Andy Botterill
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