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/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* 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 2
* 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, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* $URL$
* $Id$
*
*/
#ifndef SOUND_MODS_MAXTRAX_H
#define SOUND_MODS_MAXTRAX_H
#include "sound/mods/paula.h"
namespace Audio {
class MaxTrax : public Paula {
public:
MaxTrax(int rate, bool stereo);
virtual ~MaxTrax();
protected:
void interrupt();
private:
public:
uint16 _microtonal[128];
struct PlayerContext {
uint16 tempo;
bool filterOn;
bool handleVolume;
} _playerCtx;
struct Envelope {
uint16 duration;
uint16 volume;
};
struct Patch {
Envelope *attackPtr;
//Envelope *releasePtr;
uint16 attackLen;
uint16 releaseLen;
uint16 tune;
uint16 volume;
// this was the SampleData struct in the assembler source
int8 *samplePtr;
uint32 sampleAttack;
uint32 sampleSustain;
uint16 sampleOctaves;
} _patch[64];
struct Event {
uint16 startTime;
uint16 stopTime;
byte command;
byte parameter;
};
struct Score {
Event *events;
uint32 numEvents;
} *_scores;
int _numScores;
bool load(Common::SeekableReadStream &musicData, bool loadScores = true, bool loadSamples = true);
void stopMusic();
void freePatches();
void freeScores();
static void outPutEvent(const Event &ev, int num = -1) {
struct {
byte cmd;
char *name;
char *param;
} COMMANDS[] = {
{0x80, "TEMPO ", "TEMPO, N/A "},
{0xa0, "SPECIAL ", "CHAN, SPEC # | VAL"},
{0xb0, "CONTROL ", "CHAN, CTRL # | VAL"},
{0xc0, "PROGRAM ", "CHANNEL, PROG # "},
{0xe0, "BEND ", "CHANNEL, BEND VALUE"},
{0xf0, "SYSEX ", "TYPE, SIZE "},
{0xf8, "REALTIME", "REALTIME, N/A "},
{0xff, "END ", "N/A, N/A "},
{0xff, "NOTE ", "VOL | CHAN, STOP"},
};
int i = 0;
for (; i < ARRAYSIZE(COMMANDS) - 1 && ev.command != COMMANDS[i].cmd; ++i)
;
if (num == -1)
debug("Event : %02X %s %s %02X %04X %04X", ev.command, COMMANDS[i].name, COMMANDS[i].param, ev.parameter, ev.startTime, ev.stopTime);
else
debug("Event %3d: %02X %s %s %02X %04X %04X", num, ev.command, COMMANDS[i].name, COMMANDS[i].param, ev.parameter, ev.startTime, ev.stopTime);
}
static void outPutScore(const Score &sc, int num = -1) {
if (num == -1)
debug("score : %i Events", sc.numEvents);
else
debug("score %2d: %i Events", num, sc.numEvents);
for (uint i = 0; i < sc.numEvents; ++i)
outPutEvent(sc.events[i], i);
debug("");
}
};
} // End of namespace Audio
#endif
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