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a058720e39
*************************************** Pom1 Version 0.61 (21 juin 2001) *************************************** Written by VERHILLE Arnaud E.mail : gist@wanadoo.fr http://www.chez.com/apple1/
230 lines
4.8 KiB
Java
230 lines
4.8 KiB
Java
/*
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* Keyboard.java - Keyboard Handler v 0.5
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* Copyright (C) 2000 VERHILLE Arnaud
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* gist@wanadoo.fr
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* http://www.chez.com/apple1/
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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package apple1;
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import java.awt.*;
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import java.awt.event.*;
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/**
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* The Keyboard Class handle the translation between your keyboard keycodes and
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* the Apple1 keyboard keycodes in an architecture independant way.
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*
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* @author VERHILLE Arnaud
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* @created 21 octobre 2000
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*/
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public class Keyboard implements KeyListener {
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private Canvas screen;
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private Pia6820 pia;
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/**
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* Constructor for the Keyboard object
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*
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* @param screen The keyEvents creator
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* @param pia Interface between Memory & Keyboard
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*/
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public Keyboard(Canvas screen, Pia6820 pia) {
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this.screen = screen;
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this.pia = pia;
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screen.addKeyListener(this);
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}
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//**************************************************
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//************** KeyListener Methods ***************
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//**************************************************
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/**
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* If the Pia object has KeyInterrups enabled, translate the KeyEvent.
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*
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* @param e The KeyEvent
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*/
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public void keyTyped(KeyEvent e) {
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if (pia.getKbdInterrups()) {
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int tmp = kbdTranslator(e);
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if (!(tmp == -1)) {
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pia.writeKbd(tmp);
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pia.writeKbdCr(0xA7);
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}
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}
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}
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/**
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* Just because of the KeyListener Interface
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*
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* @param e KeyEvent
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*/
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public void keyPressed(KeyEvent e) {
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}
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/**
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* Just because of the KeyListener Interface
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*
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* @param e KeyEvent
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*/
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public void keyReleased(KeyEvent e) {
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}
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/**
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* The Key Translator. All lowercase ASCII is translated to upperCase then to the Apple 1 ASCII
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*
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* @param e KeyEvent
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* @return -1 if the Keycode is unknown for the Apple1 else the Apple1 Keycode
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*/
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private int kbdTranslator(KeyEvent e) {
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char tmp = e.getKeyChar();
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// Bit 7 enable Monitor Reading
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//tmp = Character.toUpperCase(tmp);
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if ((tmp > 64) & (tmp < 91)) {
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// A to Z KeyCodes
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return (tmp + 0x80);
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}
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if ((tmp > 47) & (tmp < 58)) {
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// O to 9 KeyCodes
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return (tmp + 0x80);
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}
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if (tmp == KeyEvent.VK_ENTER) {
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return 0x8D;
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}
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if (tmp == KeyEvent.VK_ESCAPE) {
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return 0x9B;
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}
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if (tmp == KeyEvent.VK_BACK_SPACE) {
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return 0xDF;
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}
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if (tmp == KeyEvent.VK_SPACE) {
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return 0x1F + 0x80;
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}
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if (tmp == KeyEvent.VK_COMMA) {
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return 0x2C + 0x80;
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}
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if (tmp == KeyEvent.VK_CLOSE_BRACKET) {
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return 0x5D+0x80;
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}
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if (tmp == KeyEvent.VK_OPEN_BRACKET) {
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return 0x5B+0x80;
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}
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if (tmp == 46) { // no VK
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// .
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return 0xAE;
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}
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if (tmp == 47) { // no VK
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// :
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return 0xAF;
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}
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if (tmp == 43) { // no VK
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// + (ADD)
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return 0xAB;
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}
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if (tmp == 42) { // no VK
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// * (ASTERISK)
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return 0xAA;
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}
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if (tmp == 64) { // no VK
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// @ (AT)
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return 0xC0;
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}
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if (tmp == 33) { // no VK
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// ! (EXCLAMATION_MARK)
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return 0xA1;
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}
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if (tmp == 58) { // no VK
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// / (BACK_SLASH)
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return 0x3A+0x80;
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}
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if (tmp == 0) { // no VK
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// ^ (CIRCUMFLEX)
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return 0xDE;
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}
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if (tmp == 40) { // no VK
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// ( (BRACELEFT)
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return 0xA8;
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}
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if (tmp == 41) { // no VK
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// ) (BRACERIGHT)
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return 0xA9;
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}
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if (tmp == 37) { // no VK
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// % (AMPERSAND)
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return 0x25+0x80;
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}
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if (tmp == 59) { // no VK
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// ;
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return 0x3B+0x80;
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}
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if (tmp == 60) {
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// <
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return 0xBC;
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}
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if (tmp == 61) {
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// =
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return 0xBD;
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}
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if (tmp == 62) {
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// >
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return 0xBE;
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}
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if (tmp == 63) {
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// ?
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return 0x3F+0x80;
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}
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if (tmp == 92) {
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// \
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return 0xDC;
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}
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if (tmp == 36) {
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// $
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return 0x24+0x80;
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}
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if (tmp == 34) {
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// "
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return 0x22+0x80;
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}
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if (tmp == 35) {
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// #
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return 0x23+0x80;
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}
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if (tmp == 38) {
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// &
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return 0x26+0x80;
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}
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if (tmp == 39) {
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// '
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return 0x27+0x80;
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}
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if (tmp == 45) {
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// -
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return 0x2D+0x80;
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}
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// Ctrl + ( Ato Z) KeyCodes
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// Some are wiped away (ex: 8D for ENTER) ??
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if ((tmp > 0) & (tmp <27)) {
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return (tmp + 0x80);
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}
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// Heavy Test
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if (tmp == KeyEvent.VK_CONTROL) {
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System.out.println("VK_CONTROL");
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return 0x0D;
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}
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return -1;
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}
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}
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