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/*
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 Asynchronous SDM NoC
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 (C)2011 Wei Song
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 Advanced Processor Technologies Group
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 Computer Science, the Univ. of Manchester, UK
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 Authors:
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 Wei Song     wsong83@gmail.com
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 License: LGPL 3.0 or later
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 Pipeline controller
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 References
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 See the STG and compiled verilog in sdm/stg/, ibctl.g and ibctl.v
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 History:
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 21/06/2009  Initial version. <wsong83@gmail.com>
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*/
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module ppc(/*AUTOARG*/
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   // Outputs
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   deca, dia,
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   // Inputs
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   eof, doa, dec
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   );
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   input              eof, doa, dec;
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   output             deca;     // the ack to eof
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   output             dia;      // the pipe stage input ack
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   c2p CEoF (.q(deca), .a(doa), .b(eof));
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   c2n CDIA (.q(dia), .a(eof|doa), .b(dec&(~deca)));
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endmodule // ppc
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