src/systemc/tests/systemc/misc/examples/datawidth_int_c/datawidth_int.cpp

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  (the "License"); you may not use this file except in compliance with the
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  distributed under the License is distributed on an "AS IS" BASIS,
  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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/*****************************************************************************

  datawidth_int.cpp -- 

  Original Author: Martin Janssen, Synopsys, Inc., 2002-02-15

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

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

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

      Name, Affiliation, Date:
  Description of Modification:

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

#include "datawidth.h" 	
#include "stimgen.h" 	

                /*******************************************/
                /* Implementation Filename:  datawidth.cc  */
                /*******************************************/
 
void
datawidth::entry()
{
  int 	tmp_a;
  int	tmp_b;
  int  	tmp_result;

  while (true) {
    
    // HANDSHAKING
    do { wait(); } while (ready == 0);

    // COMPUTATION
    tmp_a = in1.read();
    tmp_b = in2.read();
    tmp_result = tmp_a + tmp_b;

    // WRITE OUTPUT
    result.write(tmp_result);		// result = in1 + in2
    wait();
  }
}
                /*****************************************/
                /* Implementation Filename:  stimgen.cc  */
                /*****************************************/
 
void
stimgen::entry()
{
  int i;
  int j;

  ready.write(0);

  for (i = 0; i < 64; i++) {		// integer in1 (6 bits of data)
    for (j = 0; j < 64; j++) {		// integer in2 (6 bits of data)
      in1.write(i);
      in2.write(j);
      ready.write(1);
      wait();
 
      ready.write(0);
      wait();

      cout << in1.read() << " + " << in2.read() 
	   << " = " << result.read() << endl;
    }
  }

  sc_stop();
}

                /***************************************/
                /* Main Filename:       main.cc        */
                /***************************************/
		/*				       */
		/*	int = int + int		       */
                /*                                     */
                /*      Max addition is 63 + 63        */
		/*				       */
                /***************************************/
 
int
sc_main(int ac, char *av[])
{

// Signal Instantiation
  sc_signal<int>   	  in1 		("in1");
  sc_signal<int>   	  in2		("in2");
  sc_signal<int>   	  result 	("result");   
  sc_signal<bool> 	  ready 	("ready");     

// Clock Instantiation
  sc_clock clk( "clock", 10, SC_NS, 0.5, 0, SC_NS); 

// Process Instantiation
  datawidth	D1 ("D1", clk, in1, in2, ready, result);

  stimgen	T1 ("T1", clk, result, in1, in2, ready);

// Simulation Run Control
  sc_start(); 
  return 0;
}