org/jpc/emulator/KeyboardStatusListener.java

   1 /*
   2     JPC-RR: A x86 PC Hardware Emulator
   3     Release 1
   4
   5     Copyright (C) 2007-2009 Isis Innovation Limited
   6     Copyright (C) 2009-2010 H. Ilari Liusvaara
   7
   8     This program is free software; you can redistribute it and/or modify
   9     it under the terms of the GNU General Public License version 2 as published by
  10     the Free Software Foundation.
  11
  12     This program is distributed in the hope that it will be useful,
  13     but WITHOUT ANY WARRANTY; without even the implied warranty of
  14     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15     GNU General Public License for more details.
  16
  17     You should have received a copy of the GNU General Public License along
  18     with this program; if not, write to the Free Software Foundation, Inc.,
  19     51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  20
  21     Based on JPC x86 PC Hardware emulator,
  22     A project from the Physics Dept, The University of Oxford
  23
  24     Details about original JPC can be found at:
  25
  26     www-jpc.physics.ox.ac.uk
  27
  28 */
  29
  30 package org.jpc.emulator;
  31
  32 import java.io.*;
  33
  34 //These are called in PC exec thread, don't block it for long.
  35 public interface KeyboardStatusListener
  36 {
  37     //Change input edge status of <scancode> to <pressed>.
  38     public void keyStatusChange(int scancode, boolean pressed);
  39     //Change current execution status of <scancode> to <pressed>.
  40     public void keyExecStatusChange(int scancode, boolean pressed);
  41     //Reload all input edge and current execution statuses.
  42     public void keyStatusReload();
  43     //Bit 2 => CapsLock, Bit 1 => NumLock, Bit 0 => ScrollLock. -1 is unknown.
  44     public void ledStatusChange(int newstatus);
  45 }