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/*

 Asynchronous SDM NoC

 (C)2011 Wei Song

 Advanced Processor Technologies Group

 Computer Science, the Univ. of Manchester, UK

 Authors:

 Wei Song     wsong83@gmail.com

 License: LGPL 3.0 or later

 Pipeline controller

 References

 See the STG and compiled verilog in sdm/stg/, ibctl.g and ibctl.v

 History:

 21/06/2009  Initial version. <wsong83@gmail.com>

*/

module ppc(/*AUTOARG*/

   // Outputs

   deca, dia,

   // Inputs

   eof, doa, dec

   );

   input              eof, doa, dec;

   output             deca;     // the ack to eof

   output             dia;      // the pipe stage input ack

   c2p CEoF (.q(deca), .a(doa), .b(eof));

   c2n CDIA (.q(dia), .a(eof|doa), .b(dec&(~deca)));

endmodule // ppc