1 /*
2 * MythSim
3 *
4 * Copyright (C) 2002-2004 Jason Vroustouris <jasonv@jasonv.com>
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19 */
20
21 package org.mythsim.core;
22 /***
23 * An exception for the simulator.
24 * @author Jason Vroustouris
25 */
26 public class MythError extends Exception {
27 String _title = "";
28 String _message = "(error not defined)";
29 boolean _pop_up = false;
30 int _line_number=-1;
31 public MythError() {}
32 public MythError(String a) {
33 _message = a;
34 }
35 public MythError(int a, int s[], int b) {
36 switch(a) {
37 case 0:
38 _message = "Stopped."; break;
39 case 1:
40 _message = "Stopped. Ucode address " + b;
41 _message += " past end of program at line ";
42 _message += s[MythSim.CURRENT_ADDRESS] + ".";
43 break;
44 case 5:
45 _message = "Stopped. Memory address out of range at line ";
46 _message += s[MythSim.CURRENT_ADDRESS];
47 _message += "Attemped to access memory address " + b + ".";
48 break;
49 default:
50 _message = "(error code not defined)";
51 break;
52 }
53 }
54 public String message() {
55 return _message;
56 }
57 }
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