mirror of
https://github.com/libretro/scummvm.git
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458 lines
11 KiB
C++
458 lines
11 KiB
C++
/* ScummVM - Scumm Interpreter
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* Copyright (C) 2001 Ludvig Strigeus
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* Copyright (C) 2001-2005 The ScummVM project
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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 (at your option) 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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*
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* $Header$
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*/
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#include "stdafx.h"
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#include "scumm/scumm.h"
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#include "scumm/saveload.h"
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#include "scumm/instrument.h"
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#include "sound/mididrv.h"
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namespace Scumm {
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static bool _native_mt32 = false;
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static struct {
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const char *name;
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byte program;
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}
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roland_to_gm_map [] = {
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// Monkey Island 2 instruments
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// TODO: Complete
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{ "badspit ", 62 },
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{ "Big Drum ", 116 },
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{ "burp ", 58 },
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// { "dinkfall ", ??? },
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// { "Fire Pit ", ??? },
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{ "foghorn ", 60 },
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{ "glop ", 39 },
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// { "jacob's la", ??? },
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{ "LeshBass ", 33 },
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// { "lowsnort ", ??? },
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{ "ML explosn", 127 },
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{ "ReggaeBass", 32 },
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// { "rope fall ", ??? },
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{ "rumble ", 89 },
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{ "SdTrk Bend", 97 },
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// { "snort ", ??? },
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{ "spitting ", 62 },
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{ "Swell 1 ", 95 },
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{ "Swell 2 ", 95 },
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{ "thnderclap", 127 }
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// Fate of Atlantis instruments
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// TODO: Build
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// { "*aah! ", ??? },
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// { "*ooh! ", ??? },
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// { "*ShotFar4 ", ??? },
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// { "*splash3 ", ??? },
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// { "*torpedo5 ", ??? },
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// { "*whip3 ", ??? },
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// { "*woodknock", ??? },
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// { "35 lavabub", ??? },
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// { "49 bzzt! ", ??? },
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// { "applause ", ??? },
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// { "Arabongo ", ??? },
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// { "Big Drum ", ??? }, // DUPLICATE (todo: confirm)
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// { "bodythud1 ", ??? },
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// { "boneKLOK2 ", ??? },
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// { "boom10 ", ??? },
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// { "boom11 ", ??? },
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// { "boom15 ", ??? },
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// { "boxclik1a ", ??? },
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// { "brassbonk3", ??? },
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// { "carstart ", ??? },
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// { "cb tpt 2 ", ??? },
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// { "cell door ", ??? },
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// { "chains ", ??? },
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// { "crash ", ??? },
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// { "crsrt/idl3", ??? },
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// { "Fire Pit ", ??? }, // DUPLICATE (todo: confirm)
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// { "Fzooom ", ??? },
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// { "Fzooom 2 ", ??? },
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// { "ghostwhosh", ??? },
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// { "glasssmash", ??? },
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// { "gloop2 ", ??? },
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// { "gunShotNea", ??? },
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// { "idoorclse ", ??? },
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// { "knife ", ??? },
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// { "lavacmbl4 ", ??? },
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// { "Mellow Str", ??? },
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// { "mtlheater1", ??? },
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// { "pachinko5 ", ??? },
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// { "Ping1 ", ??? },
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// { "rockcrunch", ??? },
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// { "rumble ", ??? }, // DUPLICATE (todo: confirm)
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// { "runngwatr ", ??? },
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// { "scrape2 ", ??? },
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// { "snakeHiss ", ??? },
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// { "snort ", ??? }, // DUPLICATE (todo: confirm)
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// { "spindle4 ", ??? },
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// { "splash2 ", ??? },
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// { "squirel ", ??? },
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// { "steam3 ", ??? },
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// { "stonwheel6", ??? },
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// { "street ", ??? },
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// { "trickle4 ", ??? }
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};
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const byte Instrument::_gmRhythmMap[35] = {
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 36, 37, 38, 39, 40, 41, 66, 47,
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65, 48, 56};
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// This emulates the percussion bank setup LEC used with the MT-32,
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// where notes 24 - 34 were assigned instruments without reverb.
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// It also fixes problems on GS devices that map sounds to these
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// notes by default.
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class Instrument_Program : public InstrumentInternal {
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private:
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byte _program;
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bool _mt32;
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public:
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Instrument_Program (byte program, bool mt32);
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Instrument_Program (Serializer *s);
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void saveOrLoad (Serializer *s);
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void send (MidiChannel *mc);
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void copy_to (Instrument *dest) { dest->program (_program, _mt32); }
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bool is_valid() { return (_program < 128) && ((_native_mt32 == _mt32) || _native_mt32 ? (MidiDriver::_gmToMt32[_program] < 128) : (MidiDriver::_mt32ToGm[_program] < 128)); }
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};
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class Instrument_Adlib : public InstrumentInternal {
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private:
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struct {
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byte flags_1;
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byte oplvl_1;
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byte atdec_1;
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byte sustrel_1;
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byte waveform_1;
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byte flags_2;
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byte oplvl_2;
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byte atdec_2;
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byte sustrel_2;
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byte waveform_2;
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byte feedback;
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byte flags_a;
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struct { byte a,b,c,d,e,f,g,h; } extra_a;
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byte flags_b;
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struct { byte a,b,c,d,e,f,g,h; } extra_b;
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byte duration;
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} _instrument;
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public:
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Instrument_Adlib (byte *data);
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Instrument_Adlib (Serializer *s);
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void saveOrLoad (Serializer *s);
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void send (MidiChannel *mc);
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void copy_to (Instrument *dest) { dest->adlib ((byte *) &_instrument); }
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bool is_valid() { return true; }
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};
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class Instrument_Roland : public InstrumentInternal {
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private:
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struct RolandInstrument {
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byte roland_id;
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byte device_id;
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byte model_id;
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byte command;
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byte address[3];
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struct {
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byte name[10];
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byte partial_struct12;
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byte partial_struct34;
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byte partial_mute;
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byte env_mode;
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} common;
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struct {
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byte wg_pitch_coarse;
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byte wg_pitch_fine;
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byte wg_pitch_keyfollow;
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byte wg_pitch_bender_sw;
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byte wg_waveform_pcm_bank;
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byte wg_pcm_wave_num;
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byte wg_pulse_width;
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byte wg_pw_velo_sens;
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byte p_env_depth;
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byte p_evn_velo_sens;
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byte p_env_time_keyf;
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byte p_env_time[4];
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byte p_env_level[3];
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byte p_env_sustain_level;
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byte end_level;
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byte p_lfo_rate;
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byte p_lfo_depth;
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byte p_lfo_mod_sens;
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byte tvf_cutoff_freq;
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byte tvf_resonance;
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byte tvf_keyfollow;
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byte tvf_bias_point_dir;
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byte tvf_bias_level;
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byte tvf_env_depth;
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byte tvf_env_velo_sens;
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byte tvf_env_depth_keyf;
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byte tvf_env_time_keyf;
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byte tvf_env_time[5];
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byte tvf_env_level[3];
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byte tvf_env_sustain_level;
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byte tva_level;
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byte tva_velo_sens;
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byte tva_bias_point_1;
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byte tva_bias_level_1;
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byte tva_bias_point_2;
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byte tva_bias_level_2;
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byte tva_env_time_keyf;
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byte tva_env_time_v_follow;
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byte tva_env_time[5];
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byte tva_env_level[3];
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byte tva_env_sustain_level;
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} partial[4];
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byte checksum;
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} GNUPACK;
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RolandInstrument _instrument;
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char _instrument_name [11];
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uint8 getEquivalentGM();
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public:
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Instrument_Roland (byte *data);
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Instrument_Roland (Serializer *s);
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void saveOrLoad (Serializer *s);
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void send (MidiChannel *mc);
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void copy_to (Instrument *dest) { dest->roland ((byte *) &_instrument); }
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bool is_valid() { return (_native_mt32 ? true : (_instrument_name[0] != '\0')); }
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};
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////////////////////////////////////////
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//
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// Instrument class members
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//
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////////////////////////////////////////
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void Instrument::nativeMT32 (bool native) {
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_native_mt32 = native;
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}
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void Instrument::clear() {
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if (_instrument)
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delete _instrument;
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_instrument = NULL;
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_type = itNone;
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}
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void Instrument::program (byte prog, bool mt32) {
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clear();
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if (prog > 127)
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return;
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_type = itProgram;
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_instrument = new Instrument_Program (prog, mt32);
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}
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void Instrument::adlib (byte *instrument) {
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clear();
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if (!instrument)
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return;
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_type = itAdlib;
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_instrument = new Instrument_Adlib (instrument);
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}
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void Instrument::roland (byte *instrument) {
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clear();
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if (!instrument)
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return;
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_type = itRoland;
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_instrument = new Instrument_Roland (instrument);
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}
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void Instrument::saveOrLoad (Serializer *s) {
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if (s->isSaving()) {
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s->saveByte (_type);
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if (_instrument)
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_instrument->saveOrLoad (s);
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} else {
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clear();
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_type = s->loadByte();
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switch (_type) {
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case itNone:
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break;
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case itProgram:
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_instrument = new Instrument_Program (s);
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break;
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case itAdlib:
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_instrument = new Instrument_Adlib (s);
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break;
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case itRoland:
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_instrument = new Instrument_Roland (s);
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break;
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default:
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warning ("No known instrument classification #%d", (int) _type);
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_type = itNone;
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}
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}
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}
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////////////////////////////////////////
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//
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// Instrument_Program class members
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//
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////////////////////////////////////////
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Instrument_Program::Instrument_Program (byte program, bool mt32) :
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_program (program),
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_mt32 (mt32) {
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if (program > 127)
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_program = 255;
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}
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Instrument_Program::Instrument_Program (Serializer *s) {
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_program = 255;
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if (!s->isSaving())
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saveOrLoad (s);
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}
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void Instrument_Program::saveOrLoad (Serializer *s) {
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if (s->isSaving()) {
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s->saveByte (_program);
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s->saveByte (_mt32 ? 1 : 0);
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} else {
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_program = s->loadByte();
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_mt32 = (s->loadByte() > 0);
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}
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}
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void Instrument_Program::send (MidiChannel *mc) {
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if (_program > 127)
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return;
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byte program = _program;
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if (_native_mt32 != _mt32)
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program = _native_mt32 ? MidiDriver::_gmToMt32 [program] : MidiDriver::_mt32ToGm [program];
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if (program < 128)
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mc->programChange (program);
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}
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////////////////////////////////////////
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//
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// Instrument_Adlib class members
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//
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////////////////////////////////////////
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Instrument_Adlib::Instrument_Adlib (byte *data) {
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memcpy (&_instrument, data, sizeof (_instrument));
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}
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Instrument_Adlib::Instrument_Adlib (Serializer *s) {
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if (!s->isSaving())
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saveOrLoad (s);
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else
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memset (&_instrument, 0, sizeof (_instrument));
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}
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void Instrument_Adlib::saveOrLoad (Serializer *s) {
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if (s->isSaving())
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s->saveBytes (&_instrument, sizeof (_instrument));
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else
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s->loadBytes (&_instrument, sizeof (_instrument));
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}
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void Instrument_Adlib::send (MidiChannel *mc) {
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mc->sysEx_customInstrument ('ADL ', (byte *) &_instrument);
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}
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////////////////////////////////////////
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//
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// Instrument_Roland class members
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//
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////////////////////////////////////////
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Instrument_Roland::Instrument_Roland (byte *data) {
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memcpy (&_instrument, data, sizeof (_instrument));
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memcpy (&_instrument_name, &_instrument.common.name, sizeof (_instrument.common.name));
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_instrument_name[10] = '\0';
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if (!_native_mt32 && getEquivalentGM() >= 128) {
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warning ("MT-32 instrument \"%s\" not supported yet", _instrument_name);
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_instrument_name[0] = '\0';
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}
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}
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Instrument_Roland::Instrument_Roland (Serializer *s) {
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_instrument_name[0] = '\0';
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if (!s->isSaving())
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saveOrLoad (s);
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else
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memset (&_instrument, 0, sizeof (_instrument));
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}
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void Instrument_Roland::saveOrLoad (Serializer *s) {
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if (s->isSaving()) {
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s->saveBytes (&_instrument, sizeof (_instrument));
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} else {
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s->loadBytes (&_instrument, sizeof (_instrument));
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memcpy (&_instrument_name, &_instrument.common.name, sizeof (_instrument.common.name));
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_instrument_name[10] = '\0';
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if (!_native_mt32 && getEquivalentGM() >= 128) {
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debug (2, "MT-32 custom instrument \"%s\" not supported", _instrument_name);
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_instrument_name[0] = '\0';
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}
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} // end if
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}
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void Instrument_Roland::send (MidiChannel *mc) {
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if (_native_mt32) {
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if (mc->getNumber() > 8)
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return;
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_instrument.device_id = mc->getNumber();
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// Remap instrument to appropriate address space.
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int address = 0x008000;
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_instrument.address[0] = (address >> 14) & 0x7F;
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_instrument.address[1] = (address >> 7) & 0x7F;
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_instrument.address[2] = (address ) & 0x7F;
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// Recompute the checksum.
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byte checksum = 0;
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byte *ptr = (byte *) &_instrument + 4;
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int i;
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for (i = 4; i < (int)sizeof (_instrument) - 1; ++i)
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checksum -= *ptr++;
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_instrument.checksum = checksum & 0x7F;
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mc->device()->sysEx ((byte *) &_instrument, sizeof (_instrument));
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} else {
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// Convert to a GM program change.
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byte program = getEquivalentGM();
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if (program < 128)
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mc->programChange (program);
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}
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}
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uint8 Instrument_Roland::getEquivalentGM() {
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byte i;
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for (i = 0; i != ARRAYSIZE(roland_to_gm_map); ++i) {
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if (!memcmp (roland_to_gm_map[i].name, _instrument.common.name, 10))
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return roland_to_gm_map[i].program;
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}
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return 255;
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}
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} // End of namespace Scumm
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