while_exit.cpp revision 12855:588919e0e4aa 
1/*****************************************************************************
2
3  Licensed to Accellera Systems Initiative Inc. (Accellera) under one or
4  more contributor license agreements.  See the NOTICE file distributed
5  with this work for additional information regarding copyright ownership.
6  Accellera licenses this file to you under the Apache License, Version 2.0
7  (the "License"); you may not use this file except in compliance with the
8  License.  You may obtain a copy of the License at
9
10    http://www.apache.org/licenses/LICENSE-2.0
11
12  Unless required by applicable law or agreed to in writing, software
13  distributed under the License is distributed on an "AS IS" BASIS,
14  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
15  implied.  See the License for the specific language governing
16  permissions and limitations under the License.
17
18 *****************************************************************************/
19
20/*****************************************************************************
21
22  while_exit.cpp --
23
24  Original Author: Rocco Jonack, Synopsys, Inc., 1999-07-30
25
26 *****************************************************************************/
27
28/*****************************************************************************
29
30  MODIFICATION LOG - modifiers, enter your name, affiliation, date and
31  changes you are making here.
32
33      Name, Affiliation, Date:
34  Description of Modification:
35
36 *****************************************************************************/
37
38
39#include "while_exit.h"
40
41#define max 10
42
43void while_exit::entry()
44{
45
46  int  i, inp_tmp;
47
48  // reset_loop
49  if (reset.read()==true) {
50    result.write(0);
51    out_valid.write(false);
52    wait();
53  } else wait();
54
55  //----------
56  // main loop
57  //----------
58  while(1) {
59
60    // read inputs
61    while (in_valid.read()==false) wait();
62
63    // execution of while loop with exit after write statement
64    out_valid.write(true);
65    i=1;
66    wait();
67    while (i<=max) {
68      inp_tmp = in_value.read();
69      result.write(inp_tmp);
70      if (inp_tmp==7) {
71	wait();
72	break;
73      } else {
74	i++;
75	wait();
76      };
77    };
78    out_valid.write(false);
79    wait(6);
80
81    // execution of do loop with continues
82    out_valid.write(true);
83    i=0;
84    wait();
85    do {
86      i++;
87      inp_tmp = in_value.read();
88      if (i==8) {
89	wait();
90	continue;
91      } else if (in_value.read()<5) {
92	wait();
93	continue;
94      } else {
95	result.write(inp_tmp);
96	wait();
97      }
98    } while (i<=max);
99    out_valid.write(false);
100    wait(5);
101
102    // execution of do loop with exit after before statement
103    out_valid.write(true);
104    i=0;
105    wait();
106    do {
107      i++;
108      inp_tmp = in_value.read();
109      if (inp_tmp==7) {
110	wait();
111	break;
112      } else {
113	result.write(inp_tmp);
114	wait();
115      };
116    } while (i<=max);
117    out_valid.write(false);
118    wait();
119
120  }
121}
122
123// EOF
124
125