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al_midi.cpp
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al_midi.cpp
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/*
Copyright (C) 1994-1995 Apogee Software, Ltd.
Copyright (C) 2013-2016 Alexey Khokholov.
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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
/**********************************************************************
module: AL_MIDI.C
author: James R. Dose
date: April 1, 1994
Low level routines to support General MIDI music on Adlib compatible
cards.
(c) Copyright 1994 James R. Dose. All Rights Reserved.
**********************************************************************/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <stdint.h>
//#include <math.h>
#include "al_midi.h"
static unsigned OctavePitch[ MAX_OCTAVE + 1 ] =
{
OCTAVE_0, OCTAVE_1, OCTAVE_2, OCTAVE_3,
OCTAVE_4, OCTAVE_5, OCTAVE_6, OCTAVE_7,
};
// Pitch table
//static unsigned NotePitch[ FINETUNE_MAX + 1 ][ 12 ] =
// {
// { C, C_SHARP, D, D_SHARP, E, F, F_SHARP, G, G_SHARP, A, A_SHARP, B },
// };
static unsigned NotePitch[ FINETUNE_MAX + 1 ][ 12 ] =
{
{ 0x157, 0x16b, 0x181, 0x198, 0x1b0, 0x1ca, 0x1e5, 0x202, 0x220, 0x241, 0x263, 0x287 },
{ 0x157, 0x16b, 0x181, 0x198, 0x1b0, 0x1ca, 0x1e5, 0x202, 0x220, 0x242, 0x264, 0x288 },
{ 0x158, 0x16c, 0x182, 0x199, 0x1b1, 0x1cb, 0x1e6, 0x203, 0x221, 0x243, 0x265, 0x289 },
{ 0x158, 0x16c, 0x183, 0x19a, 0x1b2, 0x1cc, 0x1e7, 0x204, 0x222, 0x244, 0x266, 0x28a },
{ 0x159, 0x16d, 0x183, 0x19a, 0x1b3, 0x1cd, 0x1e8, 0x205, 0x223, 0x245, 0x267, 0x28b },
{ 0x15a, 0x16e, 0x184, 0x19b, 0x1b3, 0x1ce, 0x1e9, 0x206, 0x224, 0x246, 0x268, 0x28c },
{ 0x15a, 0x16e, 0x185, 0x19c, 0x1b4, 0x1ce, 0x1ea, 0x207, 0x225, 0x247, 0x269, 0x28e },
{ 0x15b, 0x16f, 0x185, 0x19d, 0x1b5, 0x1cf, 0x1eb, 0x208, 0x226, 0x248, 0x26a, 0x28f },
{ 0x15b, 0x170, 0x186, 0x19d, 0x1b6, 0x1d0, 0x1ec, 0x209, 0x227, 0x249, 0x26b, 0x290 },
{ 0x15c, 0x170, 0x187, 0x19e, 0x1b7, 0x1d1, 0x1ec, 0x20a, 0x228, 0x24a, 0x26d, 0x291 },
{ 0x15d, 0x171, 0x188, 0x19f, 0x1b7, 0x1d2, 0x1ed, 0x20b, 0x229, 0x24b, 0x26e, 0x292 },
{ 0x15d, 0x172, 0x188, 0x1a0, 0x1b8, 0x1d3, 0x1ee, 0x20c, 0x22a, 0x24c, 0x26f, 0x293 },
{ 0x15e, 0x172, 0x189, 0x1a0, 0x1b9, 0x1d4, 0x1ef, 0x20d, 0x22b, 0x24d, 0x270, 0x295 },
{ 0x15f, 0x173, 0x18a, 0x1a1, 0x1ba, 0x1d4, 0x1f0, 0x20e, 0x22c, 0x24e, 0x271, 0x296 },
{ 0x15f, 0x174, 0x18a, 0x1a2, 0x1bb, 0x1d5, 0x1f1, 0x20f, 0x22d, 0x24f, 0x272, 0x297 },
{ 0x160, 0x174, 0x18b, 0x1a3, 0x1bb, 0x1d6, 0x1f2, 0x210, 0x22e, 0x250, 0x273, 0x298 },
{ 0x161, 0x175, 0x18c, 0x1a3, 0x1bc, 0x1d7, 0x1f3, 0x211, 0x22f, 0x251, 0x274, 0x299 },
{ 0x161, 0x176, 0x18c, 0x1a4, 0x1bd, 0x1d8, 0x1f4, 0x212, 0x230, 0x252, 0x276, 0x29b },
{ 0x162, 0x176, 0x18d, 0x1a5, 0x1be, 0x1d9, 0x1f5, 0x212, 0x231, 0x254, 0x277, 0x29c },
{ 0x162, 0x177, 0x18e, 0x1a6, 0x1bf, 0x1d9, 0x1f5, 0x213, 0x232, 0x255, 0x278, 0x29d },
{ 0x163, 0x178, 0x18f, 0x1a6, 0x1bf, 0x1da, 0x1f6, 0x214, 0x233, 0x256, 0x279, 0x29e },
{ 0x164, 0x179, 0x18f, 0x1a7, 0x1c0, 0x1db, 0x1f7, 0x215, 0x235, 0x257, 0x27a, 0x29f },
{ 0x164, 0x179, 0x190, 0x1a8, 0x1c1, 0x1dc, 0x1f8, 0x216, 0x236, 0x258, 0x27b, 0x2a1 },
{ 0x165, 0x17a, 0x191, 0x1a9, 0x1c2, 0x1dd, 0x1f9, 0x217, 0x237, 0x259, 0x27c, 0x2a2 },
{ 0x166, 0x17b, 0x192, 0x1aa, 0x1c3, 0x1de, 0x1fa, 0x218, 0x238, 0x25a, 0x27e, 0x2a3 },
{ 0x166, 0x17b, 0x192, 0x1aa, 0x1c3, 0x1df, 0x1fb, 0x219, 0x239, 0x25b, 0x27f, 0x2a4 },
{ 0x167, 0x17c, 0x193, 0x1ab, 0x1c4, 0x1e0, 0x1fc, 0x21a, 0x23a, 0x25c, 0x280, 0x2a6 },
{ 0x168, 0x17d, 0x194, 0x1ac, 0x1c5, 0x1e0, 0x1fd, 0x21b, 0x23b, 0x25d, 0x281, 0x2a7 },
{ 0x168, 0x17d, 0x194, 0x1ad, 0x1c6, 0x1e1, 0x1fe, 0x21c, 0x23c, 0x25e, 0x282, 0x2a8 },
{ 0x169, 0x17e, 0x195, 0x1ad, 0x1c7, 0x1e2, 0x1ff, 0x21d, 0x23d, 0x260, 0x283, 0x2a9 },
{ 0x16a, 0x17f, 0x196, 0x1ae, 0x1c8, 0x1e3, 0x1ff, 0x21e, 0x23e, 0x261, 0x284, 0x2ab },
{ 0x16a, 0x17f, 0x197, 0x1af, 0x1c8, 0x1e4, 0x200, 0x21f, 0x23f, 0x262, 0x286, 0x2ac }
};
// Slot numbers as a function of the voice and the operator.
// ( melodic only)
static int slotVoice[ NUM_VOICES ][ 2 ] =
{
{ 0, 3 }, // voice 0
{ 1, 4 }, // 1
{ 2, 5 }, // 2
{ 6, 9 }, // 3
{ 7, 10 }, // 4
{ 8, 11 }, // 5
{ 12, 15 }, // 6
{ 13, 16 }, // 7
{ 14, 17 }, // 8
};
// This table gives the offset of each slot within the chip.
// offset = fn( slot)
static char offsetSlot[ NumChipSlots ] =
{
0, 1, 2, 3, 4, 5,
8, 9, 10, 11, 12, 13,
16, 17, 18, 19, 20, 21
};
TIMBRE FatTimbre[ 256 ] =
{
{ { 33, 33 }, { 143, 6 }, { 242, 242 }, { 69, 118 }, { 0, 0 }, 8, 0 },
{ { 49, 33 }, { 75, 0 }, { 242, 242 }, { 84, 86 }, { 0, 0 }, 8, 0 },
{ { 49, 33 }, { 73, 0 }, { 242, 242 }, { 85, 118 }, { 0, 0 }, 8, 0 },
{ { 177, 97 }, { 14, 0 }, { 242, 243 }, { 59, 11 }, { 0, 0 }, 6, 0 },
{ { 1, 33 }, { 87, 0 }, { 241, 241 }, { 56, 40 }, { 0, 0 }, 0, 0 },
{ { 1, 33 }, { 147, 0 }, { 241, 241 }, { 56, 40 }, { 0, 0 }, 0, 0 },
{ { 33, 54 }, { 128, 14 }, { 162, 241 }, { 1, 213 }, { 0, 0 }, 8, 0 },
{ { 1, 1 }, { 146, 0 }, { 194, 194 }, { 168, 88 }, { 0, 0 }, 10, 0 },
{ { 12, 129 }, { 92, 0 }, { 246, 243 }, { 84, 181 }, { 0, 0 }, 0, 0 },
{ { 7, 17 }, { 151, 128 }, { 246, 245 }, { 50, 17 }, { 0, 0 }, 2, 0 },
{ { 23, 1 }, { 33, 0 }, { 86, 246 }, { 4, 4 }, { 0, 0 }, 2, 0 },
{ { 24, 129 }, { 98, 0 }, { 243, 242 }, { 230, 246 }, { 0, 0 }, 0, 0 },
{ { 24, 33 }, { 35, 0 }, { 247, 229 }, { 85, 216 }, { 0, 0 }, 0, 0 },
{ { 21, 1 }, { 145, 0 }, { 246, 246 }, { 166, 230 }, { 0, 0 }, 4, 0 },
{ { 69, 129 }, { 89, 128 }, { 211, 163 }, { 130, 227 }, { 0, 0 }, 12, 0 },
{ { 3, 129 }, { 73, 128 }, { 116, 179 }, { 85, 5 }, { 1, 0 }, 4, 0 },
{ { 113, 49 }, { 146, 0 }, { 246, 241 }, { 20, 7 }, { 0, 0 }, 2, 0 },
{ { 114, 48 }, { 20, 0 }, { 199, 199 }, { 88, 8 }, { 0, 0 }, 2, 0 },
{ { 112, 177 }, { 68, 0 }, { 170, 138 }, { 24, 8 }, { 0, 0 }, 4, 0 },
{ { 35, 177 }, { 147, 0 }, { 151, 85 }, { 35, 20 }, { 1, 0 }, 4, 0 },
{ { 97, 177 }, { 19, 128 }, { 151, 85 }, { 4, 4 }, { 1, 0 }, 0, 0 },
{ { 36, 177 }, { 72, 0 }, { 152, 70 }, { 42, 26 }, { 1, 0 }, 12, 0 },
{ { 97, 33 }, { 19, 0 }, { 145, 97 }, { 6, 7 }, { 1, 0 }, 10, 0 },
{ { 33, 161 }, { 19, 137 }, { 113, 97 }, { 6, 7 }, { 0, 0 }, 6, 0 },
{ { 2, 65 }, { 156, 128 }, { 243, 243 }, { 148, 200 }, { 1, 0 }, 12, 0 },
{ { 3, 17 }, { 84, 0 }, { 243, 241 }, { 154, 231 }, { 1, 0 }, 12, 0 },
{ { 35, 33 }, { 95, 0 }, { 241, 242 }, { 58, 248 }, { 0, 0 }, 0, 0 },
{ { 3, 33 }, { 135, 128 }, { 246, 243 }, { 34, 243 }, { 1, 0 }, 6, 0 },
{ { 3, 33 }, { 71, 0 }, { 249, 246 }, { 84, 58 }, { 0, 0 }, 0, 0 },
{ { 35, 33 }, { 72, 0 }, { 149, 132 }, { 25, 25 }, { 1, 0 }, 8, 0 },
{ { 35, 33 }, { 74, 0 }, { 149, 148 }, { 25, 25 }, { 1, 0 }, 8, 0 },
{ { 9, 132 }, { 161, 128 }, { 32, 209 }, { 79, 248 }, { 0, 0 }, 8, 0 },
{ { 33, 162 }, { 30, 0 }, { 148, 195 }, { 6, 166 }, { 0, 0 }, 2, 0 },
{ { 49, 49 }, { 18, 0 }, { 241, 241 }, { 40, 24 }, { 0, 0 }, 10, 0 },
{ { 49, 49 }, { 141, 0 }, { 241, 241 }, { 232, 120 }, { 0, 0 }, 10, 0 },
{ { 49, 50 }, { 91, 0 }, { 81, 113 }, { 40, 72 }, { 0, 0 }, 12, 0 },
{ { 1, 33 }, { 139, 64 }, { 161, 242 }, { 154, 223 }, { 0, 0 }, 8, 0 },
{ { 1, 33 }, { 137, 64 }, { 161, 242 }, { 154, 223 }, { 0, 0 }, 8, 0 },
{ { 49, 49 }, { 139, 0 }, { 244, 241 }, { 232, 120 }, { 0, 0 }, 10, 0 },
{ { 49, 49 }, { 18, 0 }, { 241, 241 }, { 40, 24 }, { 0, 0 }, 10, 0 },
{ { 49, 33 }, { 21, 0 }, { 221, 86 }, { 19, 38 }, { 1, 0 }, 8, 0 },
{ { 49, 33 }, { 22, 0 }, { 221, 102 }, { 19, 6 }, { 1, 0 }, 8, 0 },
{ { 113, 49 }, { 73, 0 }, { 209, 97 }, { 28, 12 }, { 1, 0 }, 8, 0 },
{ { 33, 35 }, { 77, 128 }, { 113, 114 }, { 18, 6 }, { 1, 0 }, 2, 0 },
{ { 241, 225 }, { 64, 0 }, { 241, 111 }, { 33, 22 }, { 1, 0 }, 2, 0 },
{ { 2, 1 }, { 26, 128 }, { 245, 133 }, { 117, 53 }, { 1, 0 }, 0, 0 },
{ { 2, 1 }, { 29, 128 }, { 245, 243 }, { 117, 244 }, { 1, 0 }, 0, 0 },
{ { 16, 17 }, { 65, 0 }, { 245, 242 }, { 5, 195 }, { 1, 0 }, 2, 0 },
{ { 33, 162 }, { 155, 1 }, { 177, 114 }, { 37, 8 }, { 1, 0 }, 14, 0 },
{ { 161, 33 }, { 152, 0 }, { 127, 63 }, { 3, 7 }, { 1, 1 }, 0, 0 },
{ { 161, 97 }, { 147, 0 }, { 193, 79 }, { 18, 5 }, { 0, 0 }, 10, 0 },
{ { 33, 97 }, { 24, 0 }, { 193, 79 }, { 34, 5 }, { 0, 0 }, 12, 0 },
{ { 49, 114 }, { 91, 131 }, { 244, 138 }, { 21, 5 }, { 0, 0 }, 0, 0 },
{ { 161, 97 }, { 144, 0 }, { 116, 113 }, { 57, 103 }, { 0, 0 }, 0, 0 },
{ { 113, 114 }, { 87, 0 }, { 84, 122 }, { 5, 5 }, { 0, 0 }, 12, 0 },
{ { 144, 65 }, { 0, 0 }, { 84, 165 }, { 99, 69 }, { 0, 0 }, 8, 0 },
{ { 33, 33 }, { 146, 1 }, { 133, 143 }, { 23, 9 }, { 0, 0 }, 12, 0 },
{ { 33, 33 }, { 148, 5 }, { 117, 143 }, { 23, 9 }, { 0, 0 }, 12, 0 },
{ { 33, 97 }, { 148, 0 }, { 118, 130 }, { 21, 55 }, { 0, 0 }, 12, 0 },
{ { 49, 33 }, { 67, 0 }, { 158, 98 }, { 23, 44 }, { 1, 1 }, 2, 0 },
{ { 33, 33 }, { 155, 0 }, { 97, 127 }, { 106, 10 }, { 0, 0 }, 2, 0 },
{ { 97, 34 }, { 138, 6 }, { 117, 116 }, { 31, 15 }, { 0, 0 }, 8, 0 },
{ { 161, 33 }, { 134, 13 }, { 114, 113 }, { 85, 24 }, { 1, 0 }, 0, 0 },
{ { 33, 33 }, { 77, 0 }, { 84, 166 }, { 60, 28 }, { 0, 0 }, 8, 0 },
{ { 49, 97 }, { 143, 0 }, { 147, 114 }, { 2, 11 }, { 1, 0 }, 8, 0 },
{ { 49, 97 }, { 142, 0 }, { 147, 114 }, { 3, 9 }, { 1, 0 }, 8, 0 },
{ { 49, 97 }, { 145, 0 }, { 147, 130 }, { 3, 9 }, { 1, 0 }, 10, 0 },
{ { 49, 97 }, { 142, 0 }, { 147, 114 }, { 15, 15 }, { 1, 0 }, 10, 0 },
{ { 33, 33 }, { 75, 0 }, { 170, 143 }, { 22, 10 }, { 1, 0 }, 8, 0 },
{ { 49, 33 }, { 144, 0 }, { 126, 139 }, { 23, 12 }, { 1, 1 }, 6, 0 },
{ { 49, 50 }, { 129, 0 }, { 117, 97 }, { 25, 25 }, { 1, 0 }, 0, 0 },
{ { 50, 33 }, { 144, 0 }, { 155, 114 }, { 33, 23 }, { 0, 0 }, 4, 0 },
{ { 225, 225 }, { 31, 0 }, { 133, 101 }, { 95, 26 }, { 0, 0 }, 0, 0 },
{ { 225, 225 }, { 70, 0 }, { 136, 101 }, { 95, 26 }, { 0, 0 }, 0, 0 },
{ { 161, 33 }, { 156, 0 }, { 117, 117 }, { 31, 10 }, { 0, 0 }, 2, 0 },
{ { 49, 33 }, { 139, 0 }, { 132, 101 }, { 88, 26 }, { 0, 0 }, 0, 0 },
{ { 225, 161 }, { 76, 0 }, { 102, 101 }, { 86, 38 }, { 0, 0 }, 0, 0 },
{ { 98, 161 }, { 203, 0 }, { 118, 85 }, { 70, 54 }, { 0, 0 }, 0, 0 },
{ { 98, 161 }, { 153, 0 }, { 87, 86 }, { 7, 7 }, { 0, 0 }, 11, 0 },
{ { 98, 161 }, { 147, 0 }, { 119, 118 }, { 7, 7 }, { 0, 0 }, 11, 0 },
{ { 34, 33 }, { 89, 0 }, { 255, 255 }, { 3, 15 }, { 2, 0 }, 0, 0 },
{ { 33, 33 }, { 14, 0 }, { 255, 255 }, { 15, 15 }, { 1, 1 }, 0, 0 },
{ { 34, 33 }, { 70, 128 }, { 134, 100 }, { 85, 24 }, { 0, 0 }, 0, 0 },
{ { 33, 161 }, { 69, 0 }, { 102, 150 }, { 18, 10 }, { 0, 0 }, 0, 0 },
{ { 33, 34 }, { 139, 0 }, { 146, 145 }, { 42, 42 }, { 1, 0 }, 0, 0 },
{ { 162, 97 }, { 158, 64 }, { 223, 111 }, { 5, 7 }, { 0, 0 }, 2, 0 },
{ { 32, 96 }, { 26, 0 }, { 239, 143 }, { 1, 6 }, { 0, 2 }, 0, 0 },
{ { 33, 33 }, { 143, 128 }, { 241, 244 }, { 41, 9 }, { 0, 0 }, 10, 0 },
{ { 119, 161 }, { 165, 0 }, { 83, 160 }, { 148, 5 }, { 0, 0 }, 2, 0 },
{ { 97, 177 }, { 31, 128 }, { 168, 37 }, { 17, 3 }, { 0, 0 }, 10, 0 },
{ { 97, 97 }, { 23, 0 }, { 145, 85 }, { 52, 22 }, { 0, 0 }, 12, 0 },
{ { 113, 114 }, { 93, 0 }, { 84, 106 }, { 1, 3 }, { 0, 0 }, 0, 0 },
{ { 33, 162 }, { 151, 0 }, { 33, 66 }, { 67, 53 }, { 0, 0 }, 8, 0 },
{ { 161, 33 }, { 28, 0 }, { 161, 49 }, { 119, 71 }, { 1, 1 }, 0, 0 },
{ { 33, 97 }, { 137, 3 }, { 17, 66 }, { 51, 37 }, { 0, 0 }, 10, 0 },
{ { 161, 33 }, { 21, 0 }, { 17, 207 }, { 71, 7 }, { 1, 0 }, 0, 0 },
{ { 58, 81 }, { 206, 0 }, { 248, 134 }, { 246, 2 }, { 0, 0 }, 2, 0 },
{ { 33, 33 }, { 21, 0 }, { 33, 65 }, { 35, 19 }, { 1, 0 }, 0, 0 },
{ { 6, 1 }, { 91, 0 }, { 116, 165 }, { 149, 114 }, { 0, 0 }, 0, 0 },
{ { 34, 97 }, { 146, 131 }, { 177, 242 }, { 129, 38 }, { 0, 0 }, 12, 0 },
{ { 65, 66 }, { 77, 0 }, { 241, 242 }, { 81, 245 }, { 1, 0 }, 0, 0 },
{ { 97, 163 }, { 148, 128 }, { 17, 17 }, { 81, 19 }, { 1, 0 }, 6, 0 },
{ { 97, 161 }, { 140, 128 }, { 17, 29 }, { 49, 3 }, { 0, 0 }, 6, 0 },
{ { 164, 97 }, { 76, 0 }, { 243, 129 }, { 115, 35 }, { 1, 0 }, 4, 0 },
{ { 2, 7 }, { 133, 3 }, { 210, 242 }, { 83, 246 }, { 0, 1 }, 0, 0 },
{ { 17, 19 }, { 12, 128 }, { 163, 162 }, { 17, 229 }, { 1, 0 }, 0, 0 },
{ { 17, 17 }, { 6, 0 }, { 246, 242 }, { 65, 230 }, { 1, 2 }, 4, 0 },
{ { 147, 145 }, { 145, 0 }, { 212, 235 }, { 50, 17 }, { 0, 1 }, 8, 0 },
{ { 4, 1 }, { 79, 0 }, { 250, 194 }, { 86, 5 }, { 0, 0 }, 12, 0 },
{ { 33, 34 }, { 73, 0 }, { 124, 111 }, { 32, 12 }, { 0, 1 }, 6, 0 },
{ { 49, 33 }, { 133, 0 }, { 221, 86 }, { 51, 22 }, { 1, 0 }, 10, 0 },
{ { 32, 33 }, { 4, 129 }, { 218, 143 }, { 5, 11 }, { 2, 0 }, 6, 0 },
{ { 5, 3 }, { 106, 128 }, { 241, 195 }, { 229, 229 }, { 0, 0 }, 6, 0 },
{ { 7, 2 }, { 21, 0 }, { 236, 248 }, { 38, 22 }, { 0, 0 }, 10, 0 },
{ { 5, 1 }, { 157, 0 }, { 103, 223 }, { 53, 5 }, { 0, 0 }, 8, 0 },
{ { 24, 18 }, { 150, 0 }, { 250, 248 }, { 40, 229 }, { 0, 0 }, 10, 0 },
{ { 16, 0 }, { 134, 3 }, { 168, 250 }, { 7, 3 }, { 0, 0 }, 6, 0 },
{ { 17, 16 }, { 65, 3 }, { 248, 243 }, { 71, 3 }, { 2, 0 }, 4, 0 },
{ { 1, 16 }, { 142, 0 }, { 241, 243 }, { 6, 2 }, { 2, 0 }, 14, 0 },
{ { 14, 192 }, { 0, 0 }, { 31, 31 }, { 0, 255 }, { 0, 3 }, 14, 0 },
{ { 6, 3 }, { 128, 136 }, { 248, 86 }, { 36, 132 }, { 0, 2 }, 14, 0 },
{ { 14, 208 }, { 0, 5 }, { 248, 52 }, { 0, 4 }, { 0, 3 }, 14, 0 },
{ { 14, 192 }, { 0, 0 }, { 246, 31 }, { 0, 2 }, { 0, 3 }, 14, 0 },
{ { 213, 218 }, { 149, 64 }, { 55, 86 }, { 163, 55 }, { 0, 0 }, 0, 0 },
{ { 53, 20 }, { 92, 8 }, { 178, 244 }, { 97, 21 }, { 2, 0 }, 10, 0 },
{ { 14, 208 }, { 0, 0 }, { 246, 79 }, { 0, 245 }, { 0, 3 }, 14, 0 },
{ { 38, 228 }, { 0, 0 }, { 255, 18 }, { 1, 22 }, { 0, 1 }, 14, 0 },
{ { 0, 0 }, { 0, 0 }, { 243, 246 }, { 240, 201 }, { 0, 2 }, 14, 0 },
{ { 16, 17 }, { 68, 0 }, { 248, 243 }, { 119, 6 }, { 2, 0 }, 8, 35 },
{ { 16, 17 }, { 68, 0 }, { 248, 243 }, { 119, 6 }, { 2, 0 }, 8, 35 },
{ { 16, 17 }, { 68, 0 }, { 248, 243 }, { 119, 6 }, { 2, 0 }, 8, 35 },
{ { 16, 17 }, { 68, 0 }, { 248, 243 }, { 119, 6 }, { 2, 0 }, 8, 35 },
{ { 16, 17 }, { 68, 0 }, { 248, 243 }, { 119, 6 }, { 2, 0 }, 8, 35 },
{ { 16, 17 }, { 68, 0 }, { 248, 243 }, { 119, 6 }, { 2, 0 }, 8, 35 },
{ { 16, 17 }, { 68, 0 }, { 248, 243 }, { 119, 6 }, { 2, 0 }, 8, 35 },
{ { 16, 17 }, { 68, 0 }, { 248, 243 }, { 119, 6 }, { 2, 0 }, 8, 35 },
{ { 16, 17 }, { 68, 0 }, { 248, 243 }, { 119, 6 }, { 2, 0 }, 8, 35 },
{ { 16, 17 }, { 68, 0 }, { 248, 243 }, { 119, 6 }, { 2, 0 }, 8, 35 },
{ { 16, 17 }, { 68, 0 }, { 248, 243 }, { 119, 6 }, { 2, 0 }, 8, 35 },
{ { 16, 17 }, { 68, 0 }, { 248, 243 }, { 119, 6 }, { 2, 0 }, 8, 35 },
{ { 16, 17 }, { 68, 0 }, { 248, 243 }, { 119, 6 }, { 2, 0 }, 8, 35 },
{ { 16, 17 }, { 68, 0 }, { 248, 243 }, { 119, 6 }, { 2, 0 }, 8, 35 },
{ { 16, 17 }, { 68, 0 }, { 248, 243 }, { 119, 6 }, { 2, 0 }, 8, 35 },
{ { 16, 17 }, { 68, 0 }, { 248, 243 }, { 119, 6 }, { 2, 0 }, 8, 35 },
{ { 16, 17 }, { 68, 0 }, { 248, 243 }, { 119, 6 }, { 2, 0 }, 8, 35 },
{ { 16, 17 }, { 68, 0 }, { 248, 243 }, { 119, 6 }, { 2, 0 }, 8, 35 },
{ { 16, 17 }, { 68, 0 }, { 248, 243 }, { 119, 6 }, { 2, 0 }, 8, 35 },
{ { 16, 17 }, { 68, 0 }, { 248, 243 }, { 119, 6 }, { 2, 0 }, 8, 35 },
{ { 16, 17 }, { 68, 0 }, { 248, 243 }, { 119, 6 }, { 2, 0 }, 8, 35 },
{ { 16, 17 }, { 68, 0 }, { 248, 243 }, { 119, 6 }, { 2, 0 }, 8, 35 },
{ { 16, 17 }, { 68, 0 }, { 248, 243 }, { 119, 6 }, { 2, 0 }, 8, 35 },
{ { 16, 17 }, { 68, 0 }, { 248, 243 }, { 119, 6 }, { 2, 0 }, 8, 35 },
{ { 16, 17 }, { 68, 0 }, { 248, 243 }, { 119, 6 }, { 2, 0 }, 8, 35 },
{ { 16, 17 }, { 68, 0 }, { 248, 243 }, { 119, 6 }, { 2, 0 }, 8, 35 },
{ { 16, 17 }, { 68, 0 }, { 248, 243 }, { 119, 6 }, { 2, 0 }, 8, 35 },
{ { 16, 17 }, { 68, 0 }, { 248, 243 }, { 119, 6 }, { 2, 0 }, 8, 35 },
{ { 16, 17 }, { 68, 0 }, { 248, 243 }, { 119, 6 }, { 2, 0 }, 8, 35 },
{ { 16, 17 }, { 68, 0 }, { 248, 243 }, { 119, 6 }, { 2, 0 }, 8, 35 },
{ { 16, 17 }, { 68, 0 }, { 248, 243 }, { 119, 6 }, { 2, 0 }, 8, 35 },
{ { 16, 17 }, { 68, 0 }, { 248, 243 }, { 119, 6 }, { 2, 0 }, 8, 35 },
{ { 16, 17 }, { 68, 0 }, { 248, 243 }, { 119, 6 }, { 2, 0 }, 8, 35 },
{ { 16, 17 }, { 68, 0 }, { 248, 243 }, { 119, 6 }, { 2, 0 }, 8, 35 },
{ { 16, 17 }, { 68, 0 }, { 248, 243 }, { 119, 6 }, { 2, 0 }, 8, 35 },
{ { 16, 17 }, { 68, 0 }, { 248, 243 }, { 119, 6 }, { 2, 0 }, 8, 35 },
{ { 0, 0 }, { 0, 0 }, { 252, 250 }, { 5, 23 }, { 2, 0 }, 14, 52 },
{ { 0, 1 }, { 2, 0 }, { 255, 255 }, { 7, 8 }, { 0, 0 }, 0, 48 },
{ { 0, 0 }, { 0, 0 }, { 252, 250 }, { 5, 23 }, { 2, 0 }, 14, 58 },
{ { 0, 0 }, { 0, 0 }, { 246, 246 }, { 12, 6 }, { 0, 0 }, 4, 60 },
{ { 12, 18 }, { 0, 0 }, { 246, 251 }, { 8, 71 }, { 0, 2 }, 10, 47 },
{ { 0, 0 }, { 3, 0 }, { 248, 246 }, { 42, 69 }, { 0, 1 }, 4, 43 },
{ { 12, 18 }, { 0, 0 }, { 246, 251 }, { 8, 71 }, { 0, 2 }, 10, 49 },
{ { 0, 0 }, { 3, 0 }, { 248, 246 }, { 42, 69 }, { 0, 1 }, 4, 43 },
{ { 12, 18 }, { 0, 0 }, { 246, 251 }, { 8, 71 }, { 0, 2 }, 10, 51 },
{ { 0, 0 }, { 3, 0 }, { 248, 246 }, { 42, 69 }, { 0, 1 }, 4, 43 },
{ { 12, 18 }, { 0, 0 }, { 246, 251 }, { 8, 71 }, { 0, 2 }, 10, 54 },
{ { 12, 18 }, { 0, 0 }, { 246, 251 }, { 8, 71 }, { 0, 2 }, 10, 57 },
{ { 0, 0 }, { 3, 0 }, { 248, 246 }, { 42, 69 }, { 0, 1 }, 4, 72 },
{ { 12, 18 }, { 0, 0 }, { 246, 251 }, { 8, 71 }, { 0, 2 }, 10, 60 },
{ { 14, 208 }, { 0, 10 }, { 245, 159 }, { 48, 2 }, { 0, 0 }, 14, 76 },
{ { 14, 7 }, { 10, 93 }, { 228, 245 }, { 228, 229 }, { 3, 1 }, 6, 84 },
{ { 2, 5 }, { 3, 10 }, { 180, 151 }, { 4, 247 }, { 0, 0 }, 14, 36 },
{ { 78, 158 }, { 0, 0 }, { 246, 159 }, { 0, 2 }, { 0, 3 }, 14, 76 },
{ { 17, 16 }, { 69, 8 }, { 248, 243 }, { 55, 5 }, { 2, 0 }, 8, 84 },
{ { 14, 208 }, { 0, 0 }, { 246, 159 }, { 0, 2 }, { 0, 3 }, 14, 83 },
{ { 128, 16 }, { 0, 13 }, { 255, 255 }, { 3, 20 }, { 3, 0 }, 12, 84 },
{ { 14, 7 }, { 8, 81 }, { 248, 244 }, { 66, 228 }, { 0, 3 }, 14, 24 },
{ { 14, 208 }, { 0, 10 }, { 245, 159 }, { 48, 2 }, { 0, 0 }, 14, 77 },
{ { 1, 2 }, { 0, 0 }, { 250, 200 }, { 191, 151 }, { 0, 0 }, 7, 60 },
{ { 1, 1 }, { 81, 0 }, { 250, 250 }, { 135, 183 }, { 0, 0 }, 6, 65 },
{ { 1, 2 }, { 84, 0 }, { 250, 248 }, { 141, 184 }, { 0, 0 }, 6, 59 },
{ { 1, 2 }, { 89, 0 }, { 250, 248 }, { 136, 182 }, { 0, 0 }, 6, 51 },
{ { 1, 0 }, { 0, 0 }, { 249, 250 }, { 10, 6 }, { 3, 0 }, 14, 45 },
{ { 0, 0 }, { 128, 0 }, { 249, 246 }, { 137, 108 }, { 3, 0 }, 14, 71 },
{ { 3, 12 }, { 128, 8 }, { 248, 246 }, { 136, 182 }, { 3, 0 }, 15, 60 },
{ { 3, 12 }, { 133, 0 }, { 248, 246 }, { 136, 182 }, { 3, 0 }, 15, 58 },
{ { 14, 0 }, { 64, 8 }, { 118, 119 }, { 79, 24 }, { 0, 2 }, 14, 53 },
{ { 14, 3 }, { 64, 0 }, { 200, 155 }, { 73, 105 }, { 0, 2 }, 14, 64 },
{ { 215, 199 }, { 220, 0 }, { 173, 141 }, { 5, 5 }, { 3, 0 }, 14, 71 },
{ { 215, 199 }, { 220, 0 }, { 168, 136 }, { 4, 4 }, { 3, 0 }, 14, 61 },
{ { 128, 17 }, { 0, 0 }, { 246, 103 }, { 6, 23 }, { 3, 3 }, 14, 61 },
{ { 128, 17 }, { 0, 9 }, { 245, 70 }, { 5, 22 }, { 2, 3 }, 14, 48 },
{ { 6, 21 }, { 63, 0 }, { 0, 247 }, { 244, 245 }, { 0, 0 }, 1, 48 },
{ { 6, 18 }, { 63, 0 }, { 0, 247 }, { 244, 245 }, { 3, 0 }, 0, 69 },
{ { 6, 18 }, { 63, 0 }, { 0, 247 }, { 244, 245 }, { 0, 0 }, 1, 68 },
{ { 1, 2 }, { 88, 0 }, { 103, 117 }, { 231, 7 }, { 0, 0 }, 0, 63 },
{ { 65, 66 }, { 69, 8 }, { 248, 117 }, { 72, 5 }, { 0, 0 }, 0, 74 },
{ { 10, 30 }, { 64, 78 }, { 224, 255 }, { 240, 5 }, { 3, 0 }, 8, 60 },
{ { 10, 30 }, { 124, 82 }, { 224, 255 }, { 240, 2 }, { 3, 0 }, 8, 80 },
{ { 14, 0 }, { 64, 8 }, { 122, 123 }, { 74, 27 }, { 0, 2 }, 14, 64 },
{ { 14, 7 }, { 10, 64 }, { 228, 85 }, { 228, 57 }, { 3, 1 }, 6, 69 },
{ { 5, 4 }, { 5, 64 }, { 249, 214 }, { 50, 165 }, { 3, 0 }, 14, 73 },
{ { 2, 21 }, { 63, 0 }, { 0, 247 }, { 243, 245 }, { 3, 0 }, 8, 75 },
{ { 1, 2 }, { 79, 0 }, { 250, 248 }, { 141, 181 }, { 0, 0 }, 7, 68 },
{ { 0, 0 }, { 0, 0 }, { 246, 246 }, { 12, 6 }, { 0, 0 }, 4, 48 },
{ { 33, 17 }, { 17, 0 }, { 163, 196 }, { 67, 34 }, { 2, 0 }, 13, 53 },
{ { 16, 17 }, { 68, 0 }, { 248, 243 }, { 119, 6 }, { 2, 0 }, 8, 35 },
{ { 16, 17 }, { 68, 0 }, { 248, 243 }, { 119, 6 }, { 2, 0 }, 8, 35 },
{ { 16, 17 }, { 68, 0 }, { 248, 243 }, { 119, 6 }, { 2, 0 }, 8, 35 },
{ { 16, 17 }, { 68, 0 }, { 248, 243 }, { 119, 6 }, { 2, 0 }, 8, 35 },
{ { 16, 17 }, { 68, 0 }, { 248, 243 }, { 119, 6 }, { 2, 0 }, 8, 35 },
{ { 16, 17 }, { 68, 0 }, { 248, 243 }, { 119, 6 }, { 2, 0 }, 8, 35 },
{ { 16, 17 }, { 68, 0 }, { 248, 243 }, { 119, 6 }, { 2, 0 }, 8, 35 },
{ { 16, 17 }, { 68, 0 }, { 248, 243 }, { 119, 6 }, { 2, 0 }, 8, 35 },
{ { 16, 17 }, { 68, 0 }, { 248, 243 }, { 119, 6 }, { 2, 0 }, 8, 35 },
{ { 16, 17 }, { 68, 0 }, { 248, 243 }, { 119, 6 }, { 2, 0 }, 8, 35 },
{ { 16, 17 }, { 68, 0 }, { 248, 243 }, { 119, 6 }, { 2, 0 }, 8, 35 },
{ { 16, 17 }, { 68, 0 }, { 248, 243 }, { 119, 6 }, { 2, 0 }, 8, 35 },
{ { 16, 17 }, { 68, 0 }, { 248, 243 }, { 119, 6 }, { 2, 0 }, 8, 35 },
{ { 16, 17 }, { 68, 0 }, { 248, 243 }, { 119, 6 }, { 2, 0 }, 8, 35 },
{ { 16, 17 }, { 68, 0 }, { 248, 243 }, { 119, 6 }, { 2, 0 }, 8, 35 },
{ { 16, 17 }, { 68, 0 }, { 248, 243 }, { 119, 6 }, { 2, 0 }, 8, 35 },
{ { 16, 17 }, { 68, 0 }, { 248, 243 }, { 119, 6 }, { 2, 0 }, 8, 35 },
{ { 16, 17 }, { 68, 0 }, { 248, 243 }, { 119, 6 }, { 2, 0 }, 8, 35 },
{ { 16, 17 }, { 68, 0 }, { 248, 243 }, { 119, 6 }, { 2, 0 }, 8, 35 },
{ { 16, 17 }, { 68, 0 }, { 248, 243 }, { 119, 6 }, { 2, 0 }, 8, 35 },
{ { 16, 17 }, { 68, 0 }, { 248, 243 }, { 119, 6 }, { 2, 0 }, 8, 35 },
{ { 16, 17 }, { 68, 0 }, { 248, 243 }, { 119, 6 }, { 2, 0 }, 8, 35 },
{ { 16, 17 }, { 68, 0 }, { 248, 243 }, { 119, 6 }, { 2, 0 }, 8, 35 },
{ { 16, 17 }, { 68, 0 }, { 248, 243 }, { 119, 6 }, { 2, 0 }, 8, 35 },
{ { 16, 17 }, { 68, 0 }, { 248, 243 }, { 119, 6 }, { 2, 0 }, 8, 35 },
{ { 16, 17 }, { 68, 0 }, { 248, 243 }, { 119, 6 }, { 2, 0 }, 8, 35 },
{ { 16, 17 }, { 68, 0 }, { 248, 243 }, { 119, 6 }, { 2, 0 }, 8, 35 },
{ { 16, 17 }, { 68, 0 }, { 248, 243 }, { 119, 6 }, { 2, 0 }, 8, 35 },
{ { 16, 17 }, { 68, 0 }, { 248, 243 }, { 119, 6 }, { 2, 0 }, 8, 35 },
{ { 16, 17 }, { 68, 0 }, { 248, 243 }, { 119, 6 }, { 2, 0 }, 8, 35 },
{ { 16, 17 }, { 68, 0 }, { 248, 243 }, { 119, 6 }, { 2, 0 }, 8, 35 },
{ { 16, 17 }, { 68, 0 }, { 248, 243 }, { 119, 6 }, { 2, 0 }, 8, 35 },
{ { 16, 17 }, { 68, 0 }, { 248, 243 }, { 119, 6 }, { 2, 0 }, 8, 35 },
{ { 16, 17 }, { 68, 0 }, { 248, 243 }, { 119, 6 }, { 2, 0 }, 8, 35 },
{ { 16, 17 }, { 68, 0 }, { 248, 243 }, { 119, 6 }, { 2, 0 }, 8, 35 },
{ { 16, 17 }, { 68, 0 }, { 248, 243 }, { 119, 6 }, { 2, 0 }, 8, 35 },
{ { 16, 17 }, { 68, 0 }, { 248, 243 }, { 119, 6 }, { 2, 0 }, 8, 35 },
{ { 16, 17 }, { 68, 0 }, { 248, 243 }, { 119, 6 }, { 2, 0 }, 8, 35 },
{ { 16, 17 }, { 68, 0 }, { 248, 243 }, { 119, 6 }, { 2, 0 }, 8, 35 },
{ { 16, 17 }, { 68, 0 }, { 248, 243 }, { 119, 6 }, { 2, 0 }, 8, 35 },
{ { 16, 17 }, { 68, 0 }, { 248, 243 }, { 119, 6 }, { 2, 0 }, 8, 35 }
};
static int AL_MaxMidiChannel = 16;
#define OFFSET( structure, offset ) \
( *( ( char ** )&( structure )[ offset ] ) )
#define AL_AddToTail( type, listhead, node ) \
AL_AddNode( ( char * )( node ), \
( char ** )&( ( listhead )->end ), \
( char ** )&( ( listhead )->start ), \
( intptr_t )&( ( type * ) 0 )->prev, \
( intptr_t )&( ( type * ) 0 )->next )
#define AL_Remove( type, listhead, node ) \
AL_RemoveNode( ( char * )( node ), \
( char ** )&( ( listhead )->start ), \
( char ** )&( ( listhead )->end ), \
( intptr_t )&( ( type * ) 0 )->next, \
( intptr_t )&( ( type * ) 0 )->prev )
void AL_RemoveNode
(
char *item,
char **head,
char **tail,
int next,
int prev
)
{
if ( OFFSET( item, prev ) == NULL )
{
*head = OFFSET( item, next );
}
else
{
OFFSET( OFFSET( item, prev ), next ) = OFFSET( item, next );
}
if ( OFFSET( item, next ) == NULL )
{
*tail = OFFSET( item, prev );
}
else
{
OFFSET( OFFSET( item, next ), prev ) = OFFSET( item, prev );
}
OFFSET( item, next ) = NULL;
OFFSET( item, prev ) = NULL;
}
void AL_AddNode
(
char *item,
char **head,
char **tail,
int next,
int prev
)
{
OFFSET( item, prev ) = NULL;
OFFSET( item, next ) = *head;
if ( *head )
{
OFFSET( *head, prev ) = item;
}
else
{
*tail = item;
}
*head = item;
}
/*---------------------------------------------------------------------
Function: AL_SendOutputToPort
Sends data to the Adlib using a specified port.
---------------------------------------------------------------------*/
void ApogeeOPL::AL_SendOutputToPort
(
int port,
int reg,
int data
)
{
if(port)
reg |= 0x100;
if(chip)
chip->fm_writereg(reg, data);
}
/*---------------------------------------------------------------------
Function: AL_SendOutput
Sends data to the Adlib.
---------------------------------------------------------------------*/
void ApogeeOPL::AL_SendOutput
(
int voice,
int reg,
int data
)
{
int port;
port = voice;
AL_SendOutputToPort( port, reg, data );
}
/*---------------------------------------------------------------------
Function: AL_SetVoiceTimbre
Programs the specified voice's timbre.
---------------------------------------------------------------------*/
void ApogeeOPL::AL_SetVoiceTimbre
(
int voice
)
{
int off;
int slot;
int port;
int voc;
int patch;
int channel;
TIMBRE *timbre;
channel = Voice[ voice ].channel;
if ( channel == 9 )
{
patch = Voice[ voice ].key + 128;
}
else
{
patch = Channel[ channel ].Timbre;
}
if ( Voice[ voice ].timbre == patch )
{
return;
}
Voice[ voice ].timbre = patch;
timbre = &ADLIB_TimbreBank[ patch ];
port = Voice[ voice ].port;
voc = ( voice >= NUM_VOICES ) ? voice - NUM_VOICES : voice;
slot = slotVoice[ voc ][ 0 ];
off = offsetSlot[ slot ];
VoiceLevel[ slot ][ port ] = 63 - ( timbre->Level[ 0 ] & 0x3f );
VoiceKsl[ slot ][ port ] = timbre->Level[ 0 ] & 0xc0;
AL_SendOutput( port, 0xA0 + voc, 0 );
AL_SendOutput( port, 0xB0 + voc, 0 );
// Let voice clear the release
AL_SendOutput( port, 0x80 + off, 0xff );
AL_SendOutput( port, 0x60 + off, timbre->Env1[ 0 ] );
AL_SendOutput( port, 0x80 + off, timbre->Env2[ 0 ] );
AL_SendOutput( port, 0x20 + off, timbre->SAVEK[ 0 ] );
AL_SendOutput( port, 0xE0 + off, timbre->Wave[ 0 ] );
AL_SendOutput( port, 0x40 + off, timbre->Level[ 0 ] );
slot = slotVoice[ voc ][ 1 ];
AL_SendOutput( port, 0xC0 + voc, ( timbre->Feedback & 0x0f ) |
0x30 );
off = offsetSlot[ slot ];
VoiceLevel[ slot ][ port ] = 63 - ( timbre->Level[ 1 ] & 0x3f );
VoiceKsl[ slot ][ port ] = timbre->Level[ 1 ] & 0xc0;
AL_SendOutput( port, 0x40 + off, 63 );
// Let voice clear the release
AL_SendOutput( port, 0x80 + off, 0xff );
AL_SendOutput( port, 0x60 + off, timbre->Env1[ 1 ] );
AL_SendOutput( port, 0x80 + off, timbre->Env2[ 1 ] );
AL_SendOutput( port, 0x20 + off, timbre->SAVEK[ 1 ] );
AL_SendOutput( port, 0xE0 + off, timbre->Wave[ 1 ] );
}
/*---------------------------------------------------------------------
Function: AL_SetVoiceVolume
Sets the volume of the specified voice.
---------------------------------------------------------------------*/
void ApogeeOPL::AL_SetVoiceVolume
(
int voice
)
{
int channel;
int velocity;
int slot;
int port;
int voc;
unsigned long t1;
unsigned long t2;
unsigned long volume;
TIMBRE *timbre;
channel = Voice[ voice ].channel;
timbre = &ADLIB_TimbreBank[ Voice[ voice ].timbre ];
velocity = Voice[ voice ].velocity + timbre->Velocity;
velocity = min( velocity, MAX_VELOCITY );
voc = ( voice >= NUM_VOICES ) ? voice - NUM_VOICES : voice;
slot = slotVoice[ voc ][ 1 ];
port = Voice[ voice ].port;
// amplitude
t1 = ( unsigned )VoiceLevel[ slot ][ port ];
t1 *= ( velocity + 0x80 );
t1 = ( Channel[ channel ].Volume * t1 ) >> 15;
volume = t1 ^ 63;
volume |= ( unsigned )VoiceKsl[ slot ][ port ];
AL_SendOutput( port, 0x40 + offsetSlot[ slot ], volume );
// Check if this timbre is Additive
if ( timbre->Feedback & 0x01 )
{
slot = slotVoice[ voc ][ 0 ];
// amplitude
t2 = ( unsigned )VoiceLevel[ slot ][ port ];
t2 *= ( velocity + 0x80 );
t2 = ( Channel[ channel ].Volume * t1 ) >> 15;
volume = t2 ^ 63;
volume |= ( unsigned )VoiceKsl[ slot ][ port ];
AL_SendOutput( port, 0x40 + offsetSlot[ slot ], volume );
}
}
/*---------------------------------------------------------------------
Function: AL_AllocVoice
Retrieves a free voice from the voice pool.
---------------------------------------------------------------------*/
int ApogeeOPL::AL_AllocVoice
(
void
)
{
int voice;
if ( Voice_Pool.start )
{
voice = Voice_Pool.start->num;
AL_Remove( VOICE, &Voice_Pool, &Voice[ voice ] );
return( voice );
}
return( AL_VoiceNotFound );
}
/*---------------------------------------------------------------------
Function: AL_GetVoice
Determines which voice is associated with a specified note and
MIDI channel.
---------------------------------------------------------------------*/
int ApogeeOPL::AL_GetVoice
(
int channel,
int key
)
{
VOICE *voice;
voice = Channel[ channel ].Voices.start;
while( voice != NULL )
{
if ( voice->key == key )
{
return( voice->num );
}
voice = voice->next;
}
return( AL_VoiceNotFound );
}
/*---------------------------------------------------------------------
Function: AL_SetVoicePitch
Programs the pitch of the specified voice.
---------------------------------------------------------------------*/
void ApogeeOPL::AL_SetVoicePitch
(
int voice
)
{
int note;
int channel;
int patch;
int detune;
int ScaleNote;
int Octave;
int pitch;
int port;
int voc;
port = Voice[ voice ].port;
voc = ( voice >= NUM_VOICES ) ? voice - NUM_VOICES : voice;
channel = Voice[ voice ].channel;
if ( channel == 9 )
{
patch = Voice[ voice ].key + 128;
note = ADLIB_TimbreBank[ patch ].Transpose;
}
else
{
patch = Channel[ channel ].Timbre;
note = Voice[ voice ].key + ADLIB_TimbreBank[ patch ].Transpose;
}
note += Channel[ channel ].KeyOffset - 12;
if ( note > MAX_NOTE )
{
note = MAX_NOTE;
}
if ( note < 0 )
{
note = 0;
}
detune = Channel[ channel ].KeyDetune;
ScaleNote = NoteMod12[ note ];
Octave = NoteDiv12[ note ];
pitch = OctavePitch[ Octave ] | NotePitch[ detune ][ ScaleNote ];
Voice[ voice ].pitchleft = pitch;
pitch |= Voice[ voice ].status;
AL_SendOutput( port, 0xA0 + voc, pitch );
AL_SendOutput( port, 0xB0 + voc, pitch >> 8 );
}
/*---------------------------------------------------------------------
Function: AL_SetChannelVolume
Sets the volume of the specified MIDI channel.
---------------------------------------------------------------------*/
void ApogeeOPL::AL_SetChannelVolume
(
int channel,
int volume
)
{
VOICE *voice;
volume = max( 0, volume );
volume = min( volume, AL_MaxVolume );
Channel[ channel ].Volume = volume;
voice = Channel[ channel ].Voices.start;
while( voice != NULL )
{
AL_SetVoiceVolume( voice->num );
voice = voice->next;
}
}
/*---------------------------------------------------------------------
Function: AL_SetChannelPan
Sets the pan position of the specified MIDI channel.
---------------------------------------------------------------------*/
void ApogeeOPL::AL_SetChannelPan
(
int channel,
int pan
)
{
// Don't pan drum sounds
if ( channel != 9 )
{
VOICE *voice;
Channel[ channel ].Pan = pan;
voice = Channel[ channel ].Voices.start;
while( voice != NULL )
{
AL_SetVoicePan( voice->num );
voice = voice->next;
}
}
}
/*---------------------------------------------------------------------
Function: AL_SetVoicePan
Sets the stereo voice panning of the specified AdLib voice.
---------------------------------------------------------------------*/
void ApogeeOPL::AL_SetVoicePan
(
int vn
)
{
VOICE *voice;
int channel;
int pan;
int port;
int voc;
int mask;
TIMBRE *timbre;
voice = &Voice[ vn ];
channel = voice->channel;
pan = Channel[ channel ].Pan;
port = voice->port;
voc = ( vn >= NUM_VOICES ) ? vn - NUM_VOICES : vn;
timbre = &ADLIB_TimbreBank[ voice->timbre ];
if ( pan >= 96 )
mask = 0x10;
else if ( pan <= 48 )
mask = 0x20;
else
mask = 0x30;
AL_SendOutput( port, 0xC0 + voc, ( timbre->Feedback & 0x0f ) | mask );
}
/*---------------------------------------------------------------------
Function: AL_SetChannelDetune
Sets the stereo voice detune of the specified MIDI channel.
---------------------------------------------------------------------*/
void ApogeeOPL::AL_SetChannelDetune
(
int channel,
int detune
)
{
Channel[ channel ].Detune = detune;
}
/*---------------------------------------------------------------------
Function: AL_ResetVoices
Sets all voice info to the default state.
---------------------------------------------------------------------*/
void ApogeeOPL::AL_ResetVoices
(
void
)
{
int index;
int numvoices;
Voice_Pool.start = NULL;
Voice_Pool.end = NULL;
numvoices = NUM_VOICES * 2;
for( index = 0; index < numvoices; index++ )
{
if ( VoiceReserved[ index ] == false )
{
Voice[ index ].num = index;
Voice[ index ].key = 0;
Voice[ index ].velocity = 0;
Voice[ index ].channel = -1;
Voice[ index ].timbre = -1;
Voice[ index ].port = ( index < NUM_VOICES ) ? 0 : 1;
Voice[ index ].status = NOTE_OFF;
AL_AddToTail( VOICE, &Voice_Pool, &Voice[ index ] );
}
}
for( index = 0; index < NUM_CHANNELS; index++ )
{
Channel[ index ].Voices.start = NULL;
Channel[ index ].Voices.end = NULL;
Channel[ index ].Timbre = 0;
Channel[ index ].Pitchbend = 0;
Channel[ index ].KeyOffset = 0;
Channel[ index ].KeyDetune = 0;
Channel[ index ].Volume = AL_DefaultChannelVolume;
Channel[ index ].Pan = 64;
Channel[ index ].RPN = 0;
Channel[ index ].PitchBendRange = AL_DefaultPitchBendRange;
Channel[ index ].PitchBendSemiTones = AL_DefaultPitchBendRange / 100;
Channel[ index ].PitchBendHundreds = AL_DefaultPitchBendRange % 100;
}
}
/*---------------------------------------------------------------------
Function: AL_ResetVoices2
Sets all voice info to the default state.
---------------------------------------------------------------------*/
void ApogeeOPL::AL_ResetVoices2
(
void
)
{
int index;
int numvoices;
Voice_Pool.start = NULL;
Voice_Pool.end = NULL;
numvoices = NUM_VOICES * 2;
for( index = 0; index < numvoices; index++ )
{
if ( VoiceReserved[ index ] == false )
{
Voice[ index ].num = index;
Voice[ index ].key = 0;
Voice[ index ].velocity = 0;
Voice[ index ].channel = -1;
Voice[ index ].timbre = -1;
Voice[ index ].port = ( index < NUM_VOICES ) ? 0 : 1;
Voice[ index ].status = NOTE_OFF;
AL_AddToTail( VOICE, &Voice_Pool, &Voice[ index ] );
}
}
for( index = 0; index < NUM_CHANNELS; index++ )
{
Channel[ index ].Voices.start = NULL;
Channel[ index ].Voices.end = NULL;
}
}
/*---------------------------------------------------------------------
Function: AL_CalcPitchInfo
Calculates the pitch table.
---------------------------------------------------------------------*/
void ApogeeOPL::AL_CalcPitchInfo
(
void
)
{
int note;
// int finetune;
// double detune;
for( note = 0; note <= MAX_NOTE; note++ )
{
NoteMod12[ note ] = note % 12;
NoteDiv12[ note ] = note / 12;
}
// for( finetune = 1; finetune <= FINETUNE_MAX; finetune++ )
// {
// detune = pow( 2, ( double )finetune / ( 12.0 * FINETUNE_RANGE ) );
// for( note = 0; note < 12; note++ )
// {
// NotePitch[ finetune ][ note ] = ( ( double )NotePitch[ 0 ][ note ] * detune );
// }
// }
}
/*---------------------------------------------------------------------
Function: AL_FlushCard
Sets all voices to a known (quiet) state.
---------------------------------------------------------------------*/
void ApogeeOPL::AL_FlushCard
(
int port