/*
 * asap.ppjs - JavaScript version of ASAP
 *
 * Copyright (C) 2009  Piotr Fusik
 *
 * This file is part of ASAP (Another Slight Atari Player),
 * see http://asap.sourceforge.net
 *
 * ASAP 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 2 of the License,
 * or (at your option) any later version.
 *
 * ASAP 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 ASAP; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 */

#define JAVASCRIPT

var ASAP_VERSION = "2.0.0";

var ASAP_WAV_HEADER_BYTES = 44;

var ASAP_SampleFormat = {
	U8 : 8,
	S16LE : 16,
	S16BE : -16
};

function ASAP_ParseDuration(s)
{
	if (s == null || s.length == 0)
		return -1;
	var i = s.indexOf(":");
	var r = 0;
	if (i >= 0) {
		r = parseInt(s.substring(0, i)) * 60000;
		s = s.substring(i + 1, s.length);
	}
	i = s.indexOf(" ");
	if (i >= 0)
		s = s.substring(0, i);
	r += Math.floor(parseFloat(s) * 1000);
	return r;
}

#include "acpu.c"
#include "apokeysnd.c"
#include "asap.c"

function ASAP()
{
	this.covox = new Array(4);
	this.base_pokey = { delta_buffer : new Array(888) };
	this.extra_pokey = { delta_buffer : new Array(888) };
	this.module_info = { durations : new Array(ASAP_SONGS_MAX), loops : new Array(ASAP_SONGS_MAX), song_pos : new Array(128) };
	this.poly9_lookup = new Array(511);
	this.poly17_lookup = new Array(16385);
	this.memory = new Array(65536);

	this.load = function(filename, module)
	{
		if (!ASAP_Load(this, filename, module, module.length))
			throw "ASAP load error";
	}

	this.getModuleInfo = function()
	{
		return this.module_info;
	}

	this.playSong = function(song, duration)
	{
		ASAP_PlaySong(this, song, duration);
	}

	this.mutePokeyChannels = function(mask)
	{
		ASAP_MutePokeyChannels(this, mask);
	}

	this.getWavHeader = function(buffer, format)
	{
		ASAP_GetWavHeader(this, buffer, format);
	}

	this.generate = function(buffer, buffer_offset, buffer_len, format)
	{
		return ASAP_Generate(this, buffer, buffer_offset, buffer_len, format);
	}
}