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Certain circuit crashes Silverlight (and browser)

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While testing the Digital Logic Simulator at http://kenwatts.blogspot.com/2008/08/digital-logic-simulator-in-silverlight.html I wanted to know what would happen if you attached the output of an AND-gate to the input of a XOR-gate which output was connected to the input of the AND-gate mentioned before. To further test it I connected a power supply first to the free input on the AND-gate and then to the one on the XOR-gate. This last action made Silverlight crash, telling me "No registered JIT-debugger was specified" and after choosing [Abort] the whole browser "disappeared". Crashing the browser (both IE7 and Opera did) is most probably Microsoft's fault, but I bet there is also a bug in the Digital Logic Simulator.

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