1 files changed, 76 insertions, 0 deletions
diff --git a/src/systemc/tests/systemc/misc/user_guide/chpt7.2/adder_sub.cpp b/src/systemc/tests/systemc/misc/user_guide/chpt7.2/adder_sub.cpp
new file mode 100644
index 000000000..caf7e5c1f
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+++ b/src/systemc/tests/systemc/misc/user_guide/chpt7.2/adder_sub.cpp
@@ -0,0 +1,76 @@
+/*****************************************************************************
+
+  Licensed to Accellera Systems Initiative Inc. (Accellera) under one or
+  more contributor license agreements.  See the NOTICE file distributed
+  with this work for additional information regarding copyright ownership.
+  Accellera licenses this file to you under the Apache License, Version 2.0
+  (the "License"); you may not use this file except in compliance with the
+  License.  You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
+  implied.  See the License for the specific language governing
+  permissions and limitations under the License.
+
+ *****************************************************************************/
+
+/*****************************************************************************
+
+  adder_sub.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:
+
+ *****************************************************************************/
+
+/* Filename adder_sub.cc */
+/* This is the implementation file for synchronous process `adder_sub' */
+
+#include "adder_sub.h"
+
+int add(int a, int b)
+{
+  return (a + b);
+}
+
+void adder_sub::entry()
+{
+  int sum;
+  int a, b, c, d;
+
+  while (true) {
+    // Wait until you get signal to go
+    do { wait(); } while (adder_sub_ready != true);
+    // Read inputs
+    a = Sa.read();
+    b = Sb.read();
+    c = Sc.read();
+    
+    // Perform the computation.
+    sum = add(a, b);
+    sum = add(sum, c);
+    d = a - b;
+
+    // Write outputs
+    adder_sub_done.write(true);
+    Ssum.write(sum);
+    Sd.write(d);
+    wait();
+    adder_sub_done.write(false);
+    // Loop back to do { wait(); } while . 
+  }
+
+} // end of entry function
+