Design a loop lamp controller that controls the red, green and yellow three LED lights cycle. Requirements red LED light 2 seconds, the green LED light 3 seconds, yellow light-emitting tube light 1 second. (Assuming a frequency of 1MHz externally a square wave signal) Programming environment for Quartus II 11.0 Simulation environment for the Modelsim 6.6d The simulation can be seen. After a system reset, the red LED light 2 seconds, the green LED light 3 seconds, yellow light-emitting tube light 1 second, three LED lights cycle.

ex1
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...\..\ex1.amm.cdb
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...\..\prev_cmp_ex1.qmsg
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...\ex1_nativelink_simulation.rpt
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...\..............\...................\ex1.root_partition.map.hbdb.sig
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...\..............\...................\ex1.root_partition.map.kpt
...\simulation
...\..........\modelsim
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...\..........\........\ex1.vht
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...\..........\........\ex1_fast.vho
...\..........\........\ex1_modelsim.xrf

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