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/*
JSNES, based on Jamie Sanders' vNES
Copyright (C) 2010 Ben Firshman
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
// Keyboard events are bound in the UI
JSNES.Keyboard = function() {
var i;
this.keys = {
KEY_A: 0,
KEY_B: 1,
KEY_SELECT: 2,
KEY_START: 3,
KEY_UP: 4,
KEY_DOWN: 5,
KEY_LEFT: 6,
KEY_RIGHT: 7
};
this.state1 = new Array(8);
for (i = 0; i < this.state1.length; i++) {
this.state1[i] = 0x40;
}
this.state2 = new Array(8);
for (i = 0; i < this.state2.length; i++) {
this.state2[i] = 0x40;
}
};
JSNES.Keyboard.prototype = {
setKey: function(key, value) {
switch (key) {
case 88: this.state1[this.keys.KEY_A] = value; break; // X
case 89: this.state1[this.keys.KEY_B] = value; break; // Y (Central European keyboard)
case 90: this.state1[this.keys.KEY_B] = value; break; // Z
case 17: this.state1[this.keys.KEY_SELECT] = value; break; // Right Ctrl
case 13: this.state1[this.keys.KEY_START] = value; break; // Enter
case 38: this.state1[this.keys.KEY_UP] = value; break; // Up
case 40: this.state1[this.keys.KEY_DOWN] = value; break; // Down
case 37: this.state1[this.keys.KEY_LEFT] = value; break; // Left
case 39: this.state1[this.keys.KEY_RIGHT] = value; break; // Right
case 103: this.state2[this.keys.KEY_A] = value; break; // Num-7
case 105: this.state2[this.keys.KEY_B] = value; break; // Num-9
case 99: this.state2[this.keys.KEY_SELECT] = value; break; // Num-3
case 97: this.state2[this.keys.KEY_START] = value; break; // Num-1
case 104: this.state2[this.keys.KEY_UP] = value; break; // Num-8
case 98: this.state2[this.keys.KEY_DOWN] = value; break; // Num-2
case 100: this.state2[this.keys.KEY_LEFT] = value; break; // Num-4
case 102: this.state2[this.keys.KEY_RIGHT] = value; break; // Num-6
default: return true;
}
return false; // preventDefault
},
keyDown: function(evt) {
if (!this.setKey(evt.keyCode, 0x41) && evt.preventDefault) {
evt.preventDefault();
}
},
keyUp: function(evt) {
if (!this.setKey(evt.keyCode, 0x40) && evt.preventDefault) {
evt.preventDefault();
}
},
keyPress: function(evt) {
evt.preventDefault();
}
};
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