ModelSim "out of range" issue

Hi Kevin and Josy,

I fired up the simulation again, and added the signals from within the design node generating the error.

The error is generated for a calculation

lxn <= X - dX;

Right at the time the simulation error is generated, X = 254 and dx = -7, so lxn will equal 254 - (-7) = 261.

Looks like an error in the logic, rather than a simulator bug.

Josy - you should be able to repeat what I just did.

Kevin - thanks for gnawing away at this :)

I've attached the list window for the signals at the design level where it fails.

Cheers,

Dave