cycloneiii_3c25_start_niosii_standard_sopc.v

nios里面用自定义指令集来实现三角函数

          stage_14 <= 0;
      else if (clear_fifo | sync_reset | read | (write & !full_14))
          if (sync_reset & full_14 & !((full_15 == 0) & read & write))
              stage_14 <= 0;
          else 
            stage_14 <= p14_stage_14;
    end


  //control_14, which is an e_mux
  assign p14_full_14 = ((read & !write) == 0)? full_13 :
    full_15;

  //control_reg_14, which is an e_register
  always @(posedge clk or negedge reset_n)
    begin
      if (reset_n == 0)
          full_14 <= 0;
      else if (clear_fifo | (read ^ write) | (write & !full_0))
          if (clear_fifo)
              full_14 <= 0;
          else 
            full_14 <= p14_full_14;
    end


  //data_13, which is an e_mux
  assign p13_stage_13 = ((full_14 & ~clear_fifo) == 0)? data_in :
    stage_14;

  //data_reg_13, which is an e_register
  always @(posedge clk or negedge reset_n)
    begin
      if (reset_n == 0)
          stage_13 <= 0;
      else if (clear_fifo | sync_reset | read | (write & !full_13))
          if (sync_reset & full_13 & !((full_14 == 0) & read & write))
              stage_13 <= 0;
          else 
            stage_13 <= p13_stage_13;
    end


  //control_13, which is an e_mux
  assign p13_full_13 = ((read & !write) == 0)? full_12 :
    full_14;

  //control_reg_13, which is an e_register
  always @(posedge clk or negedge reset_n)
    begin
      if (reset_n == 0)
          full_13 <= 0;
      else if (clear_fifo | (read ^ write) | (write & !full_0))
          if (clear_fifo)
              full_13 <= 0;
          else 
            full_13 <= p13_full_13;
    end


  //data_12, which is an e_mux
  assign p12_stage_12 = ((full_13 & ~clear_fifo) == 0)? data_in :
    stage_13;

  //data_reg_12, which is an e_register
  always @(posedge clk or negedge reset_n)
    begin
      if (reset_n == 0)
          stage_12 <= 0;
      else if (clear_fifo | sync_reset | read | (write & !full_12))
          if (sync_reset & full_12 & !((full_13 == 0) & read & write))
              stage_12 <= 0;
          else 
            stage_12 <= p12_stage_12;
    end


  //control_12, which is an e_mux
  assign p12_full_12 = ((read & !write) == 0)? full_11 :
    full_13;

  //control_reg_12, which is an e_register
  always @(posedge clk or negedge reset_n)
    begin
      if (reset_n == 0)
          full_12 <= 0;
      else if (clear_fifo | (read ^ write) | (write & !full_0))
          if (clear_fifo)
              full_12 <= 0;
          else 
            full_12 <= p12_full_12;
    end


  //data_11, which is an e_mux
  assign p11_stage_11 = ((full_12 & ~clear_fifo) == 0)? data_in :
    stage_12;

  //data_reg_11, which is an e_register
  always @(posedge clk or negedge reset_n)
    begin
      if (reset_n == 0)
          stage_11 <= 0;
      else if (clear_fifo | sync_reset | read | (write & !full_11))
          if (sync_reset & full_11 & !((full_12 == 0) & read & write))
              stage_11 <= 0;
          else 
            stage_11 <= p11_stage_11;
    end


  //control_11, which is an e_mux
  assign p11_full_11 = ((read & !write) == 0)? full_10 :
    full_12;

  //control_reg_11, which is an e_register
  always @(posedge clk or negedge reset_n)
    begin
      if (reset_n == 0)
          full_11 <= 0;
      else if (clear_fifo | (read ^ write) | (write & !full_0))
          if (clear_fifo)
              full_11 <= 0;
          else 
            full_11 <= p11_full_11;
    end


  //data_10, which is an e_mux
  assign p10_stage_10 = ((full_11 & ~clear_fifo) == 0)? data_in :
    stage_11;

  //data_reg_10, which is an e_register
  always @(posedge clk or negedge reset_n)
    begin
      if (reset_n == 0)
          stage_10 <= 0;
      else if (clear_fifo | sync_reset | read | (write & !full_10))
          if (sync_reset & full_10 & !((full_11 == 0) & read & write))
              stage_10 <= 0;
          else 
            stage_10 <= p10_stage_10;
    end


  //control_10, which is an e_mux
  assign p10_full_10 = ((read & !write) == 0)? full_9 :
    full_11;

  //control_reg_10, which is an e_register
  always @(posedge clk or negedge reset_n)
    begin
      if (reset_n == 0)
          full_10 <= 0;
      else if (clear_fifo | (read ^ write) | (write & !full_0))
          if (clear_fifo)
              full_10 <= 0;
          else 
            full_10 <= p10_full_10;
    end


  //data_9, which is an e_mux
  assign p9_stage_9 = ((full_10 & ~clear_fifo) == 0)? data_in :
    stage_10;

  //data_reg_9, which is an e_register
  always @(posedge clk or negedge reset_n)
    begin
      if (reset_n == 0)
          stage_9 <= 0;
      else if (clear_fifo | sync_reset | read | (write & !full_9))
          if (sync_reset & full_9 & !((full_10 == 0) & read & write))
              stage_9 <= 0;
          else 
            stage_9 <= p9_stage_9;
    end


  //control_9, which is an e_mux
  assign p9_full_9 = ((read & !write) == 0)? full_8 :
    full_10;

  //control_reg_9, which is an e_register
  always @(posedge clk or negedge reset_n)
    begin
      if (reset_n == 0)
          full_9 <= 0;
      else if (clear_fifo | (read ^ write) | (write & !full_0))
          if (clear_fifo)
              full_9 <= 0;
          else 
            full_9 <= p9_full_9;
    end


  //data_8, which is an e_mux
  assign p8_stage_8 = ((full_9 & ~clear_fifo) == 0)? data_in :
    stage_9;

  //data_reg_8, which is an e_register
  always @(posedge clk or negedge reset_n)
    begin
      if (reset_n == 0)
          stage_8 <= 0;
      else if (clear_fifo | sync_reset | read | (write & !full_8))
          if (sync_reset & full_8 & !((full_9 == 0) & read & write))
              stage_8 <= 0;
          else 
            stage_8 <= p8_stage_8;
    end


  //control_8, which is an e_mux
  assign p8_full_8 = ((read & !write) == 0)? full_7 :
    full_9;

  //control_reg_8, which is an e_register
  always @(posedge clk or negedge reset_n)
    begin
      if (reset_n == 0)
          full_8 <= 0;
      else if (clear_fifo | (read ^ write) | (write & !full_0))
          if (clear_fifo)
              full_8 <= 0;
          else 
            full_8 <= p8_full_8;
    end


  //data_7, which is an e_mux
  assign p7_stage_7 = ((full_8 & ~clear_fifo) == 0)? data_in :
    stage_8;

  //data_reg_7, which is an e_register
  always @(posedge clk or negedge reset_n)
    begin
      if (reset_n == 0)
          stage_7 <= 0;
      else if (clear_fifo | sync_reset | read | (write & !full_7))
          if (sync_reset & full_7 & !((full_8 == 0) & read & write))
              stage_7 <= 0;
          else 
            stage_7 <= p7_stage_7;
    end


  //control_7, which is an e_mux
  assign p7_full_7 = ((read & !write) == 0)? full_6 :
    full_8;

  //control_reg_7, which is an e_register
  always @(posedge clk or negedge reset_n)
    begin
      if (reset_n == 0)
          full_7 <= 0;
      else if (clear_fifo | (read ^ write) | (write & !full_0))
          if (clear_fifo)
              full_7 <= 0;
          else 
            full_7 <= p7_full_7;
    end


  //data_6, which is an e_mux
  assign p6_stage_6 = ((full_7 & ~clear_fifo) == 0)? data_in :
    stage_7;

  //data_reg_6, which is an e_register
  always @(posedge clk or negedge reset_n)
    begin
      if (reset_n == 0)
          stage_6 <= 0;
      else if (clear_fifo | sync_reset | read | (write & !full_6))
          if (sync_reset & full_6 & !((full_7 == 0) & read & write))
              stage_6 <= 0;
          else 
            stage_6 <= p6_stage_6;
    end


  //control_6, which is an e_mux
  assign p6_full_6 = ((read & !write) == 0)? full_5 :
    full_7;

  //control_reg_6, which is an e_register
  always @(posedge clk or negedge reset_n)
    begin
      if (reset_n == 0)
          full_6 <= 0;
      else if (clear_fifo | (read ^ write) | (write & !full_0))
          if (clear_fifo)
              full_6 <= 0;
          else 
            full_6 <= p6_full_6;
    end


  //data_5, which is an e_mux
  assign p5_stage_5 = ((full_6 & ~clear_fifo) == 0)? data_in :
    stage_6;

  //data_reg_5, which is an e_register
  always @(posedge clk or negedge reset_n)
    begin
      if (reset_n == 0)
          stage_5 <= 0;
      else if (clear_fifo | sync_reset | read | (write & !full_5))
          if (sync_reset & full_5 & !((full_6 == 0) & read & write))
              stage_5 <= 0;
          else 
            stage_5 <= p5_stage_5;
    end


  //control_5, which is an e_mux
  assign p5_full_5 = ((read & !write) == 0)? full_4 :
    full_6;

  //control_reg_5, which is an e_register
  always @(posedge clk or negedge reset_n)
    begin
      if (reset_n == 0)
          full_5 <= 0;
      else if (clear_fifo | (read ^ write) | (write & !full_0))
          if (clear_fifo)
              full_5 <= 0;
          else 
            full_5 <= p5_full_5;
    end


  //data_4, which is an e_mux
  assign p4_stage_4 = ((full_5 & ~clear_fifo) == 0)? data_in :
    stage_5;

  //data_reg_4, which is an e_register
  always @(posedge clk or negedge reset_n)
    begin
      if (reset_n == 0)
          stage_4 <= 0;
      else if (clear_fifo | sync_reset | read | (write & !full_4))
          if (sync_reset & full_4 & !((full_5 == 0) & read & write))
              stage_4 <= 0;
          else 
            stage_4 <= p4_stage_4;
    end


  //control_4, which is an e_mux
  assign p4_full_4 = ((read & !write) == 0)? full_3 :
    full_5;

  //control_reg_4, which is an e_register
  always @(posedge clk or negedge reset_n)
    begin
      if (reset_n == 0)
          full_4 <= 0;
      else if (clear_fifo | (read ^ write) | (write & !full_0))
          if (clear_fifo)
              full_4 <= 0;
          else 
            full_4 <= p4_full_4;
    end


  //data_3, which is an e_mux
  assign p3_stage_3 = ((full_4 & ~clear_fifo) == 0)? data_in :
    stage_4;

  //data_reg_3, which is an e_register
  always @(posedge clk or negedge reset_n)
    begin
      if (reset_n == 0)
          stage_3 <= 0;
      else if (clear_fifo | sync_reset | read | (write & !full_3))
          if (sync_reset & full_3 & !((full_4 == 0) & read & write))
              stage_3 <= 0;
          else 
            stage_3 <= p3_stage_3;
    end


  //control_3, which is an e_mux
  assign p3_full_3 = ((read & !write) == 0)? full_2 :
    full_4;

  //control_reg_3, which is an e_register
  always @(posedge clk or negedge reset_n)
    begin
      if (reset_n == 0)