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Transition Diagram, State Machine

I need to design a control unit for a simple hand held video game in which a character on the display catches objects. I only need to show the transition diagram...NOT A CIRCUIT! The input to the control unit is a two-bit vector in which 00 means "move left", 01 means "move right", 10 means "do not move" and 11 means "halt." The output Z is 11 if the machine is halted, and is 00, 01, or 10 otherwise, corresponding to the input patterns. Once the machine is halted, it must remain in the halted state indefinitely.

Thanks for your help!

Solution Summary

I need to design a control unit for a simple hand held video game in which a character on the display catches objects. I only need to show the transition diagram.

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