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Modelsim clock settings...

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davorin

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modelsim clock

Is this behaviour normal that in the wave window it always reverts to "100" clock period even after entering for example "40 ns" ?

Simulation is correct though but it doesn't display last settings in 58d...
 

modelsim + clock latch

No it's not normal .. it should work properly .. try using another design with ur clock settings .. sometimes modelsim gives some trash to the designers
 

set clock in modelsim

Hmm..but should at least simulation of supplied HEX file for initial RAM block be working in Modelsim?


Works fine withing Quartus....

update:

Same simulation which runs fine in Quartus produces strange output in m58d...like some signals are switching between "1" and "X" or "0" and "X"...
 

adding a clock in modelsim

I used to have different simulation results when using Aldec Active HDL and Modelsim .. but unfortunatly , though Modelsim is considered No. 1 simulator all over the world for HDL, Aldec was the one with the right results ..
so , if u went thru a similar experience .. of using 2 simulators .. don't take something for granted except is u tried to be urself a simulator ..

Don't be amazed ..
 

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