src/systemc/tests/systemc/misc/cae_test/general/arith/mult/mult.cpp

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  Unless required by applicable law or agreed to in writing, software
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  implied.  See the License for the specific language governing
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/*****************************************************************************

  mult.cpp -- 

  Original Author: Rocco Jonack, Synopsys, Inc., 1999-05-13

 *****************************************************************************/

/*****************************************************************************

  MODIFICATION LOG - modifiers, enter your name, affiliation, date and
  changes you are making here.

      Name, Affiliation, Date:
  Description of Modification:

 *****************************************************************************/


#include "mult.h"

void mult::entry(){

  int             tmp1;
  sc_bigint<4>    tmp2;
  sc_biguint<4>   tmp3;
  sc_bigint<8>    tmp4;
  sc_biguint<8>   tmp5;

  // reset_loop
  if (reset.read() == true) {
    out_valid.write(false);
    wait();
  } else wait();

  //
  // main loop
  //
  //
  while(1) {
    while(in_valid.read()==false) wait();
    wait();

    //reading the inputs
    tmp1 = in_value1.read();
    tmp2 = in_value2.read();
    tmp3 = in_value3.read();
    tmp4 = in_value4.read();
    tmp5 = in_value5.read();

    //execute simple operations
    tmp1 = tmp1 * 2;
    tmp2 = tmp2 * 2;
    tmp3 = tmp3 * 2;
    tmp4 = tmp4 * 2;
    tmp5 = tmp5 * 2;
    wait();

    // write outputs
    out_value1.write(tmp1);
    out_value2.write(tmp2);
    out_value3.write(tmp3);
    out_value4.write(tmp4);
    out_value5.write(tmp5);
    out_valid.write(true);
    wait();
    out_valid.write(false);
    wait();
    //execute self assigning operations
    tmp1 *= 2;
    tmp2 *= 2;
    tmp3 *= 2;
    tmp4 *= 2;
    tmp5 *= 2;
    wait();

    // write outputs
    out_value1.write(tmp1);
    out_value2.write(tmp2);
    out_value3.write(tmp3);
    out_value4.write(tmp4);
    out_value5.write(tmp5);
    out_valid.write(true);
    wait();
    out_valid.write(false);
    wait();
    //execute complex operations with different bit width
    tmp1 = (tmp2*tmp3).to_int();
    tmp2 = tmp2*tmp4;
    tmp3 = tmp3*tmp5;
    tmp4 = tmp4*tmp5;
    tmp5 = tmp4*tmp5;
    wait();

    // write outputs
    out_value1.write(tmp1);
    out_value2.write(tmp2);
    out_value3.write(tmp3);
    out_value4.write(tmp4);
    out_value5.write(tmp5);
    out_valid.write(true);
    wait();
    out_valid.write(false);
    wait();
  }
}

// EOF