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-rw-r--r--src/nukedopl3.c981
1 files changed, 447 insertions, 534 deletions
diff --git a/src/nukedopl3.c b/src/nukedopl3.c
index 21877ab..6ae1eb7 100644
--- a/src/nukedopl3.c
+++ b/src/nukedopl3.c
@@ -1,16 +1,19 @@
/*
* Copyright (C) 2013-2016 Alexey Khokholov (Nuke.YKT)
*
- * 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 library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
*
- * This program is distributed in the hope that it will be useful,
+ * This library 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.
+ * Lesser 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.
*
* Nuked OPL3 emulator.
* Thanks:
@@ -31,13 +34,8 @@
#define RSM_FRAC 10
-#if defined(__GNUC__) && __USE_ISOC99
-#define INLINE __attribute__((always_inline)) inline
-#else
-#define INLINE
-#endif
+/* Channel types */
-/* Channel types */
enum {
ch_2op = 0,
ch_4op = 1,
@@ -45,18 +43,19 @@ enum {
ch_drum = 3
};
-/* Envelope key types */
+/* Envelope key types */
+
enum {
egk_norm = 0x01,
egk_drum = 0x02
};
-/* */
-/* logsin table */
-/* */
+/*
+ * logsin table
+ */
-static const Bit16u logsinrom[256] = {
+static const Bit16u logsinrom[512] = {
0x859, 0x6c3, 0x607, 0x58b, 0x52e, 0x4e4, 0x4a6, 0x471,
0x443, 0x41a, 0x3f5, 0x3d3, 0x3b5, 0x398, 0x37e, 0x365,
0x34e, 0x339, 0x324, 0x311, 0x2ff, 0x2ed, 0x2dc, 0x2cd,
@@ -88,61 +87,93 @@ static const Bit16u logsinrom[256] = {
0x007, 0x007, 0x006, 0x006, 0x005, 0x005, 0x005, 0x004,
0x004, 0x004, 0x003, 0x003, 0x003, 0x002, 0x002, 0x002,
0x002, 0x001, 0x001, 0x001, 0x001, 0x001, 0x001, 0x001,
- 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000
+ 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000,
+ 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000,
+ 0x001, 0x001, 0x001, 0x001, 0x001, 0x001, 0x001, 0x002,
+ 0x002, 0x002, 0x002, 0x003, 0x003, 0x003, 0x004, 0x004,
+ 0x004, 0x005, 0x005, 0x005, 0x006, 0x006, 0x007, 0x007,
+ 0x007, 0x008, 0x008, 0x009, 0x009, 0x00a, 0x00a, 0x00b,
+ 0x00c, 0x00c, 0x00d, 0x00d, 0x00e, 0x00f, 0x00f, 0x010,
+ 0x011, 0x011, 0x012, 0x013, 0x014, 0x014, 0x015, 0x016,
+ 0x017, 0x017, 0x018, 0x019, 0x01a, 0x01b, 0x01c, 0x01d,
+ 0x01e, 0x01f, 0x020, 0x021, 0x022, 0x023, 0x024, 0x025,
+ 0x026, 0x027, 0x028, 0x029, 0x02a, 0x02b, 0x02d, 0x02e,
+ 0x02f, 0x030, 0x031, 0x033, 0x034, 0x035, 0x037, 0x038,
+ 0x039, 0x03b, 0x03c, 0x03e, 0x03f, 0x040, 0x042, 0x043,
+ 0x045, 0x046, 0x048, 0x04a, 0x04b, 0x04d, 0x04e, 0x050,
+ 0x052, 0x053, 0x055, 0x057, 0x059, 0x05b, 0x05c, 0x05e,
+ 0x060, 0x062, 0x064, 0x066, 0x068, 0x06a, 0x06c, 0x06e,
+ 0x070, 0x072, 0x074, 0x076, 0x078, 0x07a, 0x07d, 0x07f,
+ 0x081, 0x083, 0x086, 0x088, 0x08a, 0x08d, 0x08f, 0x092,
+ 0x094, 0x097, 0x099, 0x09c, 0x09f, 0x0a1, 0x0a4, 0x0a7,
+ 0x0a9, 0x0ac, 0x0af, 0x0b2, 0x0b5, 0x0b8, 0x0bb, 0x0be,
+ 0x0c1, 0x0c4, 0x0c7, 0x0ca, 0x0cd, 0x0d1, 0x0d4, 0x0d7,
+ 0x0db, 0x0de, 0x0e2, 0x0e5, 0x0e9, 0x0ec, 0x0f0, 0x0f4,
+ 0x0f8, 0x0fb, 0x0ff, 0x103, 0x107, 0x10b, 0x10f, 0x114,
+ 0x118, 0x11c, 0x121, 0x125, 0x129, 0x12e, 0x133, 0x137,
+ 0x13c, 0x141, 0x146, 0x14b, 0x150, 0x155, 0x15b, 0x160,
+ 0x166, 0x16b, 0x171, 0x177, 0x17c, 0x182, 0x188, 0x18f,
+ 0x195, 0x19b, 0x1a2, 0x1a9, 0x1b0, 0x1b7, 0x1be, 0x1c5,
+ 0x1cd, 0x1d4, 0x1dc, 0x1e4, 0x1ec, 0x1f5, 0x1fd, 0x206,
+ 0x20f, 0x218, 0x222, 0x22c, 0x236, 0x240, 0x24b, 0x256,
+ 0x261, 0x26d, 0x279, 0x286, 0x293, 0x2a0, 0x2af, 0x2bd,
+ 0x2cd, 0x2dc, 0x2ed, 0x2ff, 0x311, 0x324, 0x339, 0x34e,
+ 0x365, 0x37e, 0x398, 0x3b5, 0x3d3, 0x3f5, 0x41a, 0x443,
+ 0x471, 0x4a6, 0x4e4, 0x52e, 0x58b, 0x607, 0x6c3, 0x859
};
-/* */
-/* exp table */
-/* */
+/*
+ * exp table
+ */
static const Bit16u exprom[256] = {
- 0x000, 0x003, 0x006, 0x008, 0x00b, 0x00e, 0x011, 0x014,
- 0x016, 0x019, 0x01c, 0x01f, 0x022, 0x025, 0x028, 0x02a,
- 0x02d, 0x030, 0x033, 0x036, 0x039, 0x03c, 0x03f, 0x042,
- 0x045, 0x048, 0x04b, 0x04e, 0x051, 0x054, 0x057, 0x05a,
- 0x05d, 0x060, 0x063, 0x066, 0x069, 0x06c, 0x06f, 0x072,
- 0x075, 0x078, 0x07b, 0x07e, 0x082, 0x085, 0x088, 0x08b,
- 0x08e, 0x091, 0x094, 0x098, 0x09b, 0x09e, 0x0a1, 0x0a4,
- 0x0a8, 0x0ab, 0x0ae, 0x0b1, 0x0b5, 0x0b8, 0x0bb, 0x0be,
- 0x0c2, 0x0c5, 0x0c8, 0x0cc, 0x0cf, 0x0d2, 0x0d6, 0x0d9,
- 0x0dc, 0x0e0, 0x0e3, 0x0e7, 0x0ea, 0x0ed, 0x0f1, 0x0f4,
- 0x0f8, 0x0fb, 0x0ff, 0x102, 0x106, 0x109, 0x10c, 0x110,
- 0x114, 0x117, 0x11b, 0x11e, 0x122, 0x125, 0x129, 0x12c,
- 0x130, 0x134, 0x137, 0x13b, 0x13e, 0x142, 0x146, 0x149,
- 0x14d, 0x151, 0x154, 0x158, 0x15c, 0x160, 0x163, 0x167,
- 0x16b, 0x16f, 0x172, 0x176, 0x17a, 0x17e, 0x181, 0x185,
- 0x189, 0x18d, 0x191, 0x195, 0x199, 0x19c, 0x1a0, 0x1a4,
- 0x1a8, 0x1ac, 0x1b0, 0x1b4, 0x1b8, 0x1bc, 0x1c0, 0x1c4,
- 0x1c8, 0x1cc, 0x1d0, 0x1d4, 0x1d8, 0x1dc, 0x1e0, 0x1e4,
- 0x1e8, 0x1ec, 0x1f0, 0x1f5, 0x1f9, 0x1fd, 0x201, 0x205,
- 0x209, 0x20e, 0x212, 0x216, 0x21a, 0x21e, 0x223, 0x227,
- 0x22b, 0x230, 0x234, 0x238, 0x23c, 0x241, 0x245, 0x249,
- 0x24e, 0x252, 0x257, 0x25b, 0x25f, 0x264, 0x268, 0x26d,
- 0x271, 0x276, 0x27a, 0x27f, 0x283, 0x288, 0x28c, 0x291,
- 0x295, 0x29a, 0x29e, 0x2a3, 0x2a8, 0x2ac, 0x2b1, 0x2b5,
- 0x2ba, 0x2bf, 0x2c4, 0x2c8, 0x2cd, 0x2d2, 0x2d6, 0x2db,
- 0x2e0, 0x2e5, 0x2e9, 0x2ee, 0x2f3, 0x2f8, 0x2fd, 0x302,
- 0x306, 0x30b, 0x310, 0x315, 0x31a, 0x31f, 0x324, 0x329,
- 0x32e, 0x333, 0x338, 0x33d, 0x342, 0x347, 0x34c, 0x351,
- 0x356, 0x35b, 0x360, 0x365, 0x36a, 0x370, 0x375, 0x37a,
- 0x37f, 0x384, 0x38a, 0x38f, 0x394, 0x399, 0x39f, 0x3a4,
- 0x3a9, 0x3ae, 0x3b4, 0x3b9, 0x3bf, 0x3c4, 0x3c9, 0x3cf,
- 0x3d4, 0x3da, 0x3df, 0x3e4, 0x3ea, 0x3ef, 0x3f5, 0x3fa
+ 0xff4, 0xfea, 0xfde, 0xfd4, 0xfc8, 0xfbe, 0xfb4, 0xfa8,
+ 0xf9e, 0xf92, 0xf88, 0xf7e, 0xf72, 0xf68, 0xf5c, 0xf52,
+ 0xf48, 0xf3e, 0xf32, 0xf28, 0xf1e, 0xf14, 0xf08, 0xefe,
+ 0xef4, 0xeea, 0xee0, 0xed4, 0xeca, 0xec0, 0xeb6, 0xeac,
+ 0xea2, 0xe98, 0xe8e, 0xe84, 0xe7a, 0xe70, 0xe66, 0xe5c,
+ 0xe52, 0xe48, 0xe3e, 0xe34, 0xe2a, 0xe20, 0xe16, 0xe0c,
+ 0xe04, 0xdfa, 0xdf0, 0xde6, 0xddc, 0xdd2, 0xdca, 0xdc0,
+ 0xdb6, 0xdac, 0xda4, 0xd9a, 0xd90, 0xd88, 0xd7e, 0xd74,
+ 0xd6a, 0xd62, 0xd58, 0xd50, 0xd46, 0xd3c, 0xd34, 0xd2a,
+ 0xd22, 0xd18, 0xd10, 0xd06, 0xcfe, 0xcf4, 0xcec, 0xce2,
+ 0xcda, 0xcd0, 0xcc8, 0xcbe, 0xcb6, 0xcae, 0xca4, 0xc9c,
+ 0xc92, 0xc8a, 0xc82, 0xc78, 0xc70, 0xc68, 0xc60, 0xc56,
+ 0xc4e, 0xc46, 0xc3c, 0xc34, 0xc2c, 0xc24, 0xc1c, 0xc12,
+ 0xc0a, 0xc02, 0xbfa, 0xbf2, 0xbea, 0xbe0, 0xbd8, 0xbd0,
+ 0xbc8, 0xbc0, 0xbb8, 0xbb0, 0xba8, 0xba0, 0xb98, 0xb90,
+ 0xb88, 0xb80, 0xb78, 0xb70, 0xb68, 0xb60, 0xb58, 0xb50,
+ 0xb48, 0xb40, 0xb38, 0xb32, 0xb2a, 0xb22, 0xb1a, 0xb12,
+ 0xb0a, 0xb02, 0xafc, 0xaf4, 0xaec, 0xae4, 0xade, 0xad6,
+ 0xace, 0xac6, 0xac0, 0xab8, 0xab0, 0xaa8, 0xaa2, 0xa9a,
+ 0xa92, 0xa8c, 0xa84, 0xa7c, 0xa76, 0xa6e, 0xa68, 0xa60,
+ 0xa58, 0xa52, 0xa4a, 0xa44, 0xa3c, 0xa36, 0xa2e, 0xa28,
+ 0xa20, 0xa18, 0xa12, 0xa0c, 0xa04, 0x9fe, 0x9f6, 0x9f0,
+ 0x9e8, 0x9e2, 0x9da, 0x9d4, 0x9ce, 0x9c6, 0x9c0, 0x9b8,
+ 0x9b2, 0x9ac, 0x9a4, 0x99e, 0x998, 0x990, 0x98a, 0x984,
+ 0x97c, 0x976, 0x970, 0x96a, 0x962, 0x95c, 0x956, 0x950,
+ 0x948, 0x942, 0x93c, 0x936, 0x930, 0x928, 0x922, 0x91c,
+ 0x916, 0x910, 0x90a, 0x904, 0x8fc, 0x8f6, 0x8f0, 0x8ea,
+ 0x8e4, 0x8de, 0x8d8, 0x8d2, 0x8cc, 0x8c6, 0x8c0, 0x8ba,
+ 0x8b4, 0x8ae, 0x8a8, 0x8a2, 0x89c, 0x896, 0x890, 0x88a,
+ 0x884, 0x87e, 0x878, 0x872, 0x86c, 0x866, 0x860, 0x85a,
+ 0x854, 0x850, 0x84a, 0x844, 0x83e, 0x838, 0x832, 0x82c,
+ 0x828, 0x822, 0x81c, 0x816, 0x810, 0x80c, 0x806, 0x800
};
-/* */
-/* freq mult table multiplied by 2 */
-/* */
-/* 1/2, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 10, 12, 12, 15, 15 */
-/* */
+/*
+ * freq mult table multiplied by 2
+ *
+ * 1/2, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 10, 12, 12, 15, 15
+ */
static const Bit8u mt[16] = {
1, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 20, 24, 24, 30, 30
};
-/* */
-/* ksl table */
-/* */
+/*
+ * ksl table
+ */
static const Bit8u kslrom[16] = {
0, 32, 40, 45, 48, 51, 53, 55, 56, 58, 59, 60, 61, 62, 63, 64
@@ -152,9 +183,9 @@ static const Bit8u kslshift[4] = {
8, 1, 2, 0
};
-/* */
-/* envelope generator constants */
-/* */
+/*
+ * envelope generator constants
+ */
static const Bit8u eg_incstep[3][4][8] = {
{
@@ -185,9 +216,9 @@ static const Bit8s eg_incsh[16] = {
0, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0, 0, -1, -2
};
-/* */
-/* address decoding */
-/* */
+/*
+ * address decoding
+ */
static const Bit8s ad_slot[0x20] = {
0, 1, 2, 3, 4, 5, -1, -1, 6, 7, 8, 9, 10, 11, -1, -1,
@@ -198,184 +229,17 @@ static const Bit8u ch_slot[18] = {
0, 1, 2, 6, 7, 8, 12, 13, 14, 18, 19, 20, 24, 25, 26, 30, 31, 32
};
-/* */
-/* Envelope generator */
-/* */
-
-typedef Bit16s(*envelope_sinfunc)(Bit16u phase, Bit16u envelope);
-typedef void(*envelope_genfunc)(opl3_slot *slott);
-
-#define OPL3_EnvelopeCalcExp_level(level) \
- ((level > 0x1fff) ? 0x1fff : level)
-
-#define OPL3_EnvelopeCalcExp(level) \
-(Bit16s) (\
- ((exprom[(OPL3_EnvelopeCalcExp_level(level) & 0xff) ^ 0xff] | 0x400) << 1) >> \
- (OPL3_EnvelopeCalcExp_level(level) >> 8) \
-)
/*
-static INLINE Bit16s OPL3_EnvelopeCalcExp(Bit32u level)
-{
- if (level > 0x1fff)
- {
- level = 0x1fff;
- }
- return (Bit16s)((exprom[(level & 0xff) ^ 0xff] | 0x400) << 1) >> (level >> 8);
-}*/
-
-static INLINE Bit16s OPL3_EnvelopeCalcSin0(Bit16u phase, Bit16u envelope)
-{
- Bit16u out = 0;
- Bit16u neg = 0;
- phase &= 0x3ff;
- if (phase & 0x200)
- {
- neg = ~0;
- }
- if (phase & 0x100)
- {
- out = logsinrom[(phase & 0xff) ^ 0xff];
- }
- else
- {
- out = logsinrom[phase & 0xff];
- }
- return OPL3_EnvelopeCalcExp(out + (envelope << 3)) ^ neg;
-}
-
-static INLINE Bit16s OPL3_EnvelopeCalcSin1(Bit16u phase, Bit16u envelope)
-{
- Bit16u out = 0;
- phase &= 0x3ff;
- if (phase & 0x200)
- {
- out = 0x1000;
- }
- else if (phase & 0x100)
- {
- out = logsinrom[(phase & 0xff) ^ 0xff];
- }
- else
- {
- out = logsinrom[phase & 0xff];
- }
- return OPL3_EnvelopeCalcExp(out + (envelope << 3));
-}
-
-static INLINE Bit16s OPL3_EnvelopeCalcSin2(Bit16u phase, Bit16u envelope)
-{
- Bit16u out = 0;
- phase &= 0x3ff;
- if (phase & 0x100)
- {
- out = logsinrom[(phase & 0xff) ^ 0xff];
- }
- else
- {
- out = logsinrom[phase & 0xff];
- }
- return OPL3_EnvelopeCalcExp(out + (envelope << 3));
-}
-
-static INLINE Bit16s OPL3_EnvelopeCalcSin3(Bit16u phase, Bit16u envelope)
-{
- Bit16u out = 0;
- phase &= 0x3ff;
- if (phase & 0x100)
- {
- out = 0x1000;
- }
- else
- {
- out = logsinrom[phase & 0xff];
- }
- return OPL3_EnvelopeCalcExp(out + (envelope << 3));
-}
-
-static INLINE Bit16s OPL3_EnvelopeCalcSin4(Bit16u phase, Bit16u envelope)
-{
- Bit16u out = 0;
- Bit16u neg = 0;
- phase &= 0x3ff;
- if ((phase & 0x300) == 0x100)
- {
- neg = ~0;
- }
- if (phase & 0x200)
- {
- out = 0x1000;
- }
- else if (phase & 0x80)
- {
- out = logsinrom[((phase ^ 0xff) << 1) & 0xff];
- }
- else
- {
- out = logsinrom[(phase << 1) & 0xff];
- }
- return OPL3_EnvelopeCalcExp(out + (envelope << 3)) ^ neg;
-}
-
-static INLINE Bit16s OPL3_EnvelopeCalcSin5(Bit16u phase, Bit16u envelope)
-{
- Bit16u out = 0;
- phase &= 0x3ff;
- if (phase & 0x200)
- {
- out = 0x1000;
- }
- else if (phase & 0x80)
- {
- out = logsinrom[((phase ^ 0xff) << 1) & 0xff];
- }
- else
- {
- out = logsinrom[(phase << 1) & 0xff];
- }
- return OPL3_EnvelopeCalcExp(out + (envelope << 3));
-}
-
-static INLINE Bit16s OPL3_EnvelopeCalcSin6(Bit16u phase, Bit16u envelope)
-{
- Bit16u neg = 0;
- phase &= 0x3ff;
- if (phase & 0x200)
- {
- neg = ~0;
- }
- return OPL3_EnvelopeCalcExp(envelope << 3) ^ neg;
-}
-
-static INLINE Bit16s OPL3_EnvelopeCalcSin7(Bit16u phase, Bit16u envelope)
-{
- Bit16u out = 0;
- Bit16u neg = 0;
- phase &= 0x3ff;
- if (phase & 0x200)
- {
- neg = ~0;
- phase = (phase & 0x1ff) ^ 0x1ff;
- }
- out = phase << 3;
- return OPL3_EnvelopeCalcExp(out + (envelope << 3)) ^ neg;
-}
+ * Envelope generator
+ */
-static const envelope_sinfunc envelope_sin[8] = {
- OPL3_EnvelopeCalcSin0,
- OPL3_EnvelopeCalcSin1,
- OPL3_EnvelopeCalcSin2,
- OPL3_EnvelopeCalcSin3,
- OPL3_EnvelopeCalcSin4,
- OPL3_EnvelopeCalcSin5,
- OPL3_EnvelopeCalcSin6,
- OPL3_EnvelopeCalcSin7
-};
+static void OPL3_EnvelopeGenOff(opl3_slot *slot);
+static void OPL3_EnvelopeGenAttack(opl3_slot *slot);
+static void OPL3_EnvelopeGenDecay(opl3_slot *slot);
+static void OPL3_EnvelopeGenSustain(opl3_slot *slot);
+static void OPL3_EnvelopeGenRelease(opl3_slot *slot);
-static INLINE void OPL3_EnvelopeGenOff(opl3_slot *slot);
-static INLINE void OPL3_EnvelopeGenAttack(opl3_slot *slot);
-static INLINE void OPL3_EnvelopeGenDecay(opl3_slot *slot);
-static INLINE void OPL3_EnvelopeGenSustain(opl3_slot *slot);
-static INLINE void OPL3_EnvelopeGenRelease(opl3_slot *slot);
+typedef void(*envelope_genfunc)(opl3_slot *slot);
envelope_genfunc envelope_gen[5] = {
OPL3_EnvelopeGenOff,
@@ -394,7 +258,7 @@ enum envelope_gen_num
envelope_gen_num_release = 4
};
-static INLINE Bit8u OPL3_EnvelopeCalcRate(opl3_slot *slot, Bit8u reg_rate)
+static Bit8u OPL3_EnvelopeCalcRate(opl3_slot *slot, Bit8u reg_rate)
{
Bit8u rate;
if (reg_rate == 0x00)
@@ -410,7 +274,7 @@ static INLINE Bit8u OPL3_EnvelopeCalcRate(opl3_slot *slot, Bit8u reg_rate)
return rate;
}
-static INLINE void OPL3_EnvelopeUpdateKSL(opl3_slot *slot)
+static void OPL3_EnvelopeUpdateKSL(opl3_slot *slot)
{
Bit16s ksl = (kslrom[slot->channel->f_num >> 6] << 2)
- ((0x08 - slot->channel->block) << 5);
@@ -421,7 +285,7 @@ static INLINE void OPL3_EnvelopeUpdateKSL(opl3_slot *slot)
slot->eg_ksl = (Bit8u)ksl;
}
-static INLINE void OPL3_EnvelopeUpdateRate(opl3_slot *slot)
+static void OPL3_EnvelopeUpdateRate(opl3_slot *slot)
{
switch (slot->eg_gen)
{
@@ -439,12 +303,12 @@ static INLINE void OPL3_EnvelopeUpdateRate(opl3_slot *slot)
}
}
-static INLINE void OPL3_EnvelopeGenOff(opl3_slot *slot)
+static void OPL3_EnvelopeGenOff(opl3_slot *slot)
{
slot->eg_rout = 0x1ff;
}
-static INLINE void OPL3_EnvelopeGenAttack(opl3_slot *slot)
+static void OPL3_EnvelopeGenAttack(opl3_slot *slot)
{
if (slot->eg_rout == 0x00)
{
@@ -459,7 +323,7 @@ static INLINE void OPL3_EnvelopeGenAttack(opl3_slot *slot)
}
}
-static INLINE void OPL3_EnvelopeGenDecay(opl3_slot *slot)
+static void OPL3_EnvelopeGenDecay(opl3_slot *slot)
{
if (slot->eg_rout >= slot->reg_sl << 4)
{
@@ -470,7 +334,7 @@ static INLINE void OPL3_EnvelopeGenDecay(opl3_slot *slot)
slot->eg_rout += slot->eg_inc;
}
-static INLINE void OPL3_EnvelopeGenSustain(opl3_slot *slot)
+static void OPL3_EnvelopeGenSustain(opl3_slot *slot)
{
if (!slot->reg_type)
{
@@ -478,7 +342,7 @@ static INLINE void OPL3_EnvelopeGenSustain(opl3_slot *slot)
}
}
-static INLINE void OPL3_EnvelopeGenRelease(opl3_slot *slot)
+static void OPL3_EnvelopeGenRelease(opl3_slot *slot)
{
if (slot->eg_rout >= 0x1ff)
{
@@ -490,7 +354,7 @@ static INLINE void OPL3_EnvelopeGenRelease(opl3_slot *slot)
slot->eg_rout += slot->eg_inc;
}
-static INLINE void OPL3_EnvelopeCalc(opl3_slot *slot)
+static void OPL3_EnvelopeCalc(opl3_slot *slot)
{
Bit8u rate_h, rate_l;
Bit8u inc = 0;
@@ -512,10 +376,16 @@ static INLINE void OPL3_EnvelopeCalc(opl3_slot *slot)
slot->eg_inc = inc;
slot->eg_out = slot->eg_rout + (slot->reg_tl << 2)
+ (slot->eg_ksl >> kslshift[slot->reg_ksl]) + *slot->trem;
+ if (slot->eg_out > 0x1ff) /* TODO: Remove this if possible */
+ {
+ slot->eg_out = 0x1ff;
+ }
+ slot->eg_out <<= 3;
+
envelope_gen[slot->eg_gen](slot);
}
-static INLINE void OPL3_EnvelopeKeyOn(opl3_slot *slot, Bit8u type)
+static void OPL3_EnvelopeKeyOn(opl3_slot *slot, Bit8u type)
{
if (!slot->key)
{
@@ -532,7 +402,7 @@ static INLINE void OPL3_EnvelopeKeyOn(opl3_slot *slot, Bit8u type)
slot->key |= type;
}
-static INLINE void OPL3_EnvelopeKeyOff(opl3_slot *slot, Bit8u type)
+static void OPL3_EnvelopeKeyOff(opl3_slot *slot, Bit8u type)
{
if (slot->key)
{
@@ -545,11 +415,11 @@ static INLINE void OPL3_EnvelopeKeyOff(opl3_slot *slot, Bit8u type)
}
}
-/* */
-/* Phase Generator */
-/* */
+/*
+ * Phase Generator
+ */
-static INLINE void OPL3_PhaseGenerate(opl3_slot *slot)
+static void OPL3_PhaseGenerate(opl3_slot *slot)
{
Bit16u f_num;
Bit32u basefreq;
@@ -583,11 +453,11 @@ static INLINE void OPL3_PhaseGenerate(opl3_slot *slot)
slot->pg_phase += (basefreq * mt[slot->reg_mult]) >> 1;
}
-/* */
-/* Noise Generator */
-/* */
+/*
+ * Noise Generator
+ */
-static INLINE void OPL3_NoiseGenerate(opl3_chip *chip)
+static void OPL3_NoiseGenerate(opl3_chip *chip)
{
if (chip->noise & 0x01)
{
@@ -596,11 +466,11 @@ static INLINE void OPL3_NoiseGenerate(opl3_chip *chip)
chip->noise >>= 1;
}
-/* */
-/* Slot */
-/* */
+/*
+ * Slot
+ */
-static INLINE void OPL3_SlotWrite20(opl3_slot *slot, Bit8u data)
+static void OPL3_SlotWrite20(opl3_slot *slot, Bit8u data)
{
if ((data >> 7) & 0x01)
{
@@ -617,21 +487,21 @@ static INLINE void OPL3_SlotWrite20(opl3_slot *slot, Bit8u data)
OPL3_EnvelopeUpdateRate(slot);
}
-static INLINE void OPL3_SlotWrite40(opl3_slot *slot, Bit8u data)
+static void OPL3_SlotWrite40(opl3_slot *slot, Bit8u data)
{
slot->reg_ksl = (data >> 6) & 0x03;
slot->reg_tl = data & 0x3f;
OPL3_EnvelopeUpdateKSL(slot);
}
-static INLINE void OPL3_SlotWrite60(opl3_slot *slot, Bit8u data)
+static void OPL3_SlotWrite60(opl3_slot *slot, Bit8u data)
{
slot->reg_ar = (data >> 4) & 0x0f;
slot->reg_dr = data & 0x0f;
OPL3_EnvelopeUpdateRate(slot);
}
-static INLINE void OPL3_SlotWrite80(opl3_slot *slot, Bit8u data)
+static void OPL3_SlotWrite80(opl3_slot *slot, Bit8u data)
{
slot->reg_sl = (data >> 4) & 0x0f;
if (slot->reg_sl == 0x0f)
@@ -642,46 +512,101 @@ static INLINE void OPL3_SlotWrite80(opl3_slot *slot, Bit8u data)
OPL3_EnvelopeUpdateRate(slot);
}
-static INLINE void OPL3_SlotWriteE0(opl3_slot *slot, Bit8u data)
+static void OPL3_SlotWriteE0(opl3_slot *slot, Bit8u data)
{
slot->reg_wf = data & 0x07;
if (slot->chip->newm == 0x00)
{
slot->reg_wf &= 0x03;
}
-}
-#define OPL3_SlotGeneratePhase(slot, phase) \
- { \
- (slot)->out = envelope_sin[slot->reg_wf]((phase), (slot)->eg_out); \
+ switch (slot->reg_wf)
+ {
+ case 1:
+ case 4:
+ case 5:
+ slot->maskzero = 0x200;
+ break;
+ case 3:
+ slot->maskzero = 0x100;
+ break;
+ default:
+ slot->maskzero = 0;
+ break;
}
-/*
-static INLINE void OPL3_SlotGeneratePhase(opl3_slot *slot, Bit16u phase)
+
+ switch (slot->reg_wf)
+ {
+ case 4:
+ slot->signpos = (31-8); /* sigext of (phase & 0x100) */
+ break;
+ case 0:
+ case 6:
+ case 7:
+ slot->signpos = (31-9); /* sigext of (phase & 0x200) */
+ break;
+ default:
+ slot->signpos = (31-16); /* set "neg" to zero */
+ break;
+ }
+
+ switch (slot->reg_wf)
+ {
+ case 4:
+ case 5:
+ slot->phaseshift = 1;
+ break;
+ case 6:
+ slot->phaseshift = 16; /* set phase to zero and flag for non-sin wave */
+ break;
+ case 7:
+ slot->phaseshift = 32; /* no shift (work by mod 32), but flag for non-sin wave */
+ break;
+ default:
+ slot->phaseshift = 0;
+ break;
+ }
+}
+
+static void OPL3_SlotGeneratePhase(opl3_slot *slot, Bit16u phase)
{
- slot->out = envelope_sin[slot->reg_wf](phase, slot->eg_out);
-}*/
+ Bit32u neg, level;
+ Bit8u phaseshift;
-#define OPL3_SlotGenerate(slot) \
- {\
- OPL3_SlotGeneratePhase((slot), (Bit16u)((slot)->pg_phase >> 9) + *(slot)->mod);\
+ /* Fast paths for mute segments */
+ if (phase & slot->maskzero)
+ {
+ slot->out = 0;
+ return;
}
-/*
-static INLINE void OPL3_SlotGenerate(opl3_slot *slot)
+
+ neg = (Bit32s)((Bit32u)phase << slot->signpos) >> 31;
+ phaseshift = slot->phaseshift;
+ level = slot->eg_out;
+
+ phase <<= phaseshift;
+ if (phaseshift <= 1)
+ {
+ level += logsinrom[phase & 0x1ff];
+ }
+ else
+ {
+ level += ((phase ^ neg) & 0x3ff) << 3;
+ }
+ slot->out = exprom[level & 0xff] >> (level >> 8) ^ neg;
+}
+
+static void OPL3_SlotGenerate(opl3_slot *slot)
{
OPL3_SlotGeneratePhase(slot, (Bit16u)(slot->pg_phase >> 9) + *slot->mod);
-}*/
-
-#define OPL3_SlotGenerateZM(slot) \
-{\
- OPL3_SlotGeneratePhase((slot), (Bit16u)((slot)->pg_phase >> 9));\
}
-/*
-static INLINE void OPL3_SlotGenerateZM(opl3_slot *slot)
+
+static void OPL3_SlotGenerateZM(opl3_slot *slot)
{
OPL3_SlotGeneratePhase(slot, (Bit16u)(slot->pg_phase >> 9));
-}*/
+}
-static INLINE void OPL3_SlotCalcFB(opl3_slot *slot)
+static void OPL3_SlotCalcFB(opl3_slot *slot)
{
if (slot->channel->fb != 0x00)
{
@@ -694,107 +619,13 @@ static INLINE void OPL3_SlotCalcFB(opl3_slot *slot)
slot->prout = slot->out;
}
-/* */
-/* Channel */
-/* */
+/*
+ * Channel
+ */
-/* static void OPL3_ChannelSetupAlg(opl3_channel *channel); */
-static INLINE void OPL3_ChannelSetupAlg(opl3_channel *channel)
-{
- if (channel->chtype == ch_drum)
- {
- switch (channel->alg & 0x01)
- {
- case 0x00:
- channel->chipslots[0]->mod = &channel->chipslots[0]->fbmod;
- channel->chipslots[1]->mod = &channel->chipslots[0]->out;
- break;
- case 0x01:
- channel->chipslots[0]->mod = &channel->chipslots[0]->fbmod;
- channel->chipslots[1]->mod = &channel->chip->zeromod;
- break;
- }
- return;
- }
- if (channel->alg & 0x08)
- {
- return;
- }
- if (channel->alg & 0x04)
- {
- channel->pair->out[0] = &channel->chip->zeromod;
- channel->pair->out[1] = &channel->chip->zeromod;
- channel->pair->out[2] = &channel->chip->zeromod;
- channel->pair->out[3] = &channel->chip->zeromod;
- switch (channel->alg & 0x03)
- {
- case 0x00:
- channel->pair->chipslots[0]->mod = &channel->pair->chipslots[0]->fbmod;
- channel->pair->chipslots[1]->mod = &channel->pair->chipslots[0]->out;
- channel->chipslots[0]->mod = &channel->pair->chipslots[1]->out;
- channel->chipslots[1]->mod = &channel->chipslots[0]->out;
- channel->out[0] = &channel->chipslots[1]->out;
- channel->out[1] = &channel->chip->zeromod;
- channel->out[2] = &channel->chip->zeromod;
- channel->out[3] = &channel->chip->zeromod;
- break;
- case 0x01:
- channel->pair->chipslots[0]->mod = &channel->pair->chipslots[0]->fbmod;
- channel->pair->chipslots[1]->mod = &channel->pair->chipslots[0]->out;
- channel->chipslots[0]->mod = &channel->chip->zeromod;
- channel->chipslots[1]->mod = &channel->chipslots[0]->out;
- channel->out[0] = &channel->pair->chipslots[1]->out;
- channel->out[1] = &channel->chipslots[1]->out;
- channel->out[2] = &channel->chip->zeromod;
- channel->out[3] = &channel->chip->zeromod;
- break;
- case 0x02:
- channel->pair->chipslots[0]->mod = &channel->pair->chipslots[0]->fbmod;
- channel->pair->chipslots[1]->mod = &channel->chip->zeromod;
- channel->chipslots[0]->mod = &channel->pair->chipslots[1]->out;
- channel->chipslots[1]->mod = &channel->chipslots[0]->out;
- channel->out[0] = &channel->pair->chipslots[0]->out;
- channel->out[1] = &channel->chipslots[1]->out;
- channel->out[2] = &channel->chip->zeromod;
- channel->out[3] = &channel->chip->zeromod;
- break;
- case 0x03:
- channel->pair->chipslots[0]->mod = &channel->pair->chipslots[0]->fbmod;
- channel->pair->chipslots[1]->mod = &channel->chip->zeromod;
- channel->chipslots[0]->mod = &channel->pair->chipslots[1]->out;
- channel->chipslots[1]->mod = &channel->chip->zeromod;
- channel->out[0] = &channel->pair->chipslots[0]->out;
- channel->out[1] = &channel->chipslots[0]->out;
- channel->out[2] = &channel->chipslots[1]->out;
- channel->out[3] = &channel->chip->zeromod;
- break;
- }
- }
- else
- {
- switch (channel->alg & 0x01)
- {
- case 0x00:
- channel->chipslots[0]->mod = &channel->chipslots[0]->fbmod;
- channel->chipslots[1]->mod = &channel->chipslots[0]->out;
- channel->out[0] = &channel->chipslots[1]->out;
- channel->out[1] = &channel->chip->zeromod;
- channel->out[2] = &channel->chip->zeromod;
- channel->out[3] = &channel->chip->zeromod;
- break;
- case 0x01:
- channel->chipslots[0]->mod = &channel->chipslots[0]->fbmod;
- channel->chipslots[1]->mod = &channel->chip->zeromod;
- channel->out[0] = &channel->chipslots[0]->out;
- channel->out[1] = &channel->chipslots[1]->out;
- channel->out[2] = &channel->chip->zeromod;
- channel->out[3] = &channel->chip->zeromod;
- break;
- }
- }
-}
+static void OPL3_ChannelSetupAlg(opl3_channel *channel);
-static INLINE void OPL3_ChannelUpdateRhythm(opl3_chip *chip, Bit8u data)
+static void OPL3_ChannelUpdateRhythm(opl3_chip *chip, Bit8u data)
{
opl3_channel *channel6;
opl3_channel *channel7;
@@ -807,69 +638,69 @@ static INLINE void OPL3_ChannelUpdateRhythm(opl3_chip *chip, Bit8u data)
channel6 = &chip->channel[6];
channel7 = &chip->channel[7];
channel8 = &chip->channel[8];
- channel6->out[0] = &channel6->chipslots[1]->out;
- channel6->out[1] = &channel6->chipslots[1]->out;
+ channel6->out[0] = &channel6->slots[1]->out;
+ channel6->out[1] = &channel6->slots[1]->out;
channel6->out[2] = &chip->zeromod;
channel6->out[3] = &chip->zeromod;
- channel7->out[0] = &channel7->chipslots[0]->out;
- channel7->out[1] = &channel7->chipslots[0]->out;
- channel7->out[2] = &channel7->chipslots[1]->out;
- channel7->out[3] = &channel7->chipslots[1]->out;
- channel8->out[0] = &channel8->chipslots[0]->out;
- channel8->out[1] = &channel8->chipslots[0]->out;
- channel8->out[2] = &channel8->chipslots[1]->out;
- channel8->out[3] = &channel8->chipslots[1]->out;
+ channel7->out[0] = &channel7->slots[0]->out;
+ channel7->out[1] = &channel7->slots[0]->out;
+ channel7->out[2] = &channel7->slots[1]->out;
+ channel7->out[3] = &channel7->slots[1]->out;
+ channel8->out[0] = &channel8->slots[0]->out;
+ channel8->out[1] = &channel8->slots[0]->out;
+ channel8->out[2] = &channel8->slots[1]->out;
+ channel8->out[3] = &channel8->slots[1]->out;
for (chnum = 6; chnum < 9; chnum++)
{
chip->channel[chnum].chtype = ch_drum;
}
OPL3_ChannelSetupAlg(channel6);
- /* hh */
+ /*hh*/
if (chip->rhy & 0x01)
{
- OPL3_EnvelopeKeyOn(channel7->chipslots[0], egk_drum);
+ OPL3_EnvelopeKeyOn(channel7->slots[0], egk_drum);
}
else
{
- OPL3_EnvelopeKeyOff(channel7->chipslots[0], egk_drum);
+ OPL3_EnvelopeKeyOff(channel7->slots[0], egk_drum);
}
- /* tc */
+ /*tc*/
if (chip->rhy & 0x02)
{
- OPL3_EnvelopeKeyOn(channel8->chipslots[1], egk_drum);
+ OPL3_EnvelopeKeyOn(channel8->slots[1], egk_drum);
}
else
{
- OPL3_EnvelopeKeyOff(channel8->chipslots[1], egk_drum);
+ OPL3_EnvelopeKeyOff(channel8->slots[1], egk_drum);
}
- /* tom */
+ /*tom*/
if (chip->rhy & 0x04)
{
- OPL3_EnvelopeKeyOn(channel8->chipslots[0], egk_drum);
+ OPL3_EnvelopeKeyOn(channel8->slots[0], egk_drum);
}
else
{
- OPL3_EnvelopeKeyOff(channel8->chipslots[0], egk_drum);
+ OPL3_EnvelopeKeyOff(channel8->slots[0], egk_drum);
}
- /* sd */
+ /*sd*/
if (chip->rhy & 0x08)
{
- OPL3_EnvelopeKeyOn(channel7->chipslots[1], egk_drum);
+ OPL3_EnvelopeKeyOn(channel7->slots[1], egk_drum);
}
else
{
- OPL3_EnvelopeKeyOff(channel7->chipslots[1], egk_drum);
+ OPL3_EnvelopeKeyOff(channel7->slots[1], egk_drum);
}
- /* bd */
+ /*bd*/
if (chip->rhy & 0x10)
{
- OPL3_EnvelopeKeyOn(channel6->chipslots[0], egk_drum);
- OPL3_EnvelopeKeyOn(channel6->chipslots[1], egk_drum);
+ OPL3_EnvelopeKeyOn(channel6->slots[0], egk_drum);
+ OPL3_EnvelopeKeyOn(channel6->slots[1], egk_drum);
}
else
{
- OPL3_EnvelopeKeyOff(channel6->chipslots[0], egk_drum);
- OPL3_EnvelopeKeyOff(channel6->chipslots[1], egk_drum);
+ OPL3_EnvelopeKeyOff(channel6->slots[0], egk_drum);
+ OPL3_EnvelopeKeyOff(channel6->slots[1], egk_drum);
}
}
else
@@ -878,13 +709,13 @@ static INLINE void OPL3_ChannelUpdateRhythm(opl3_chip *chip, Bit8u data)
{
chip->channel[chnum].chtype = ch_2op;
OPL3_ChannelSetupAlg(&chip->channel[chnum]);
- OPL3_EnvelopeKeyOff(chip->channel[chnum].chipslots[0], egk_drum);
- OPL3_EnvelopeKeyOff(chip->channel[chnum].chipslots[1], egk_drum);
+ OPL3_EnvelopeKeyOff(chip->channel[chnum].slots[0], egk_drum);
+ OPL3_EnvelopeKeyOff(chip->channel[chnum].slots[1], egk_drum);
}
}
}
-static INLINE void OPL3_ChannelWriteA0(opl3_channel *channel, Bit8u data)
+static void OPL3_ChannelWriteA0(opl3_channel *channel, Bit8u data)
{
if (channel->chip->newm && channel->chtype == ch_4op2)
{
@@ -893,22 +724,22 @@ static INLINE void OPL3_ChannelWriteA0(opl3_channel *channel, Bit8u data)
channel->f_num = (channel->f_num & 0x300) | data;
channel->ksv = (channel->block << 1)
| ((channel->f_num >> (0x09 - channel->chip->nts)) & 0x01);
- OPL3_EnvelopeUpdateKSL(channel->chipslots[0]);
- OPL3_EnvelopeUpdateKSL(channel->chipslots[1]);
- OPL3_EnvelopeUpdateRate(channel->chipslots[0]);
- OPL3_EnvelopeUpdateRate(channel->chipslots[1]);
+ OPL3_EnvelopeUpdateKSL(channel->slots[0]);
+ OPL3_EnvelopeUpdateKSL(channel->slots[1]);
+ OPL3_EnvelopeUpdateRate(channel->slots[0]);
+ OPL3_EnvelopeUpdateRate(channel->slots[1]);
if (channel->chip->newm && channel->chtype == ch_4op)
{
channel->pair->f_num = channel->f_num;
channel->pair->ksv = channel->ksv;
- OPL3_EnvelopeUpdateKSL(channel->pair->chipslots[0]);
- OPL3_EnvelopeUpdateKSL(channel->pair->chipslots[1]);
- OPL3_EnvelopeUpdateRate(channel->pair->chipslots[0]);
- OPL3_EnvelopeUpdateRate(channel->pair->chipslots[1]);
+ OPL3_EnvelopeUpdateKSL(channel->pair->slots[0]);
+ OPL3_EnvelopeUpdateKSL(channel->pair->slots[1]);
+ OPL3_EnvelopeUpdateRate(channel->pair->slots[0]);
+ OPL3_EnvelopeUpdateRate(channel->pair->slots[1]);
}
}
-static INLINE void OPL3_ChannelWriteB0(opl3_channel *channel, Bit8u data)
+static void OPL3_ChannelWriteB0(opl3_channel *channel, Bit8u data)
{
if (channel->chip->newm && channel->chtype == ch_4op2)
{
@@ -918,23 +749,118 @@ static INLINE void OPL3_ChannelWriteB0(opl3_channel *channel, Bit8u data)
channel->block = (data >> 2) & 0x07;
channel->ksv = (channel->block << 1)
| ((channel->f_num >> (0x09 - channel->chip->nts)) & 0x01);
- OPL3_EnvelopeUpdateKSL(channel->chipslots[0]);
- OPL3_EnvelopeUpdateKSL(channel->chipslots[1]);
- OPL3_EnvelopeUpdateRate(channel->chipslots[0]);
- OPL3_EnvelopeUpdateRate(channel->chipslots[1]);
+ OPL3_EnvelopeUpdateKSL(channel->slots[0]);
+ OPL3_EnvelopeUpdateKSL(channel->slots[1]);
+ OPL3_EnvelopeUpdateRate(channel->slots[0]);
+ OPL3_EnvelopeUpdateRate(channel->slots[1]);
if (channel->chip->newm && channel->chtype == ch_4op)
{
channel->pair->f_num = channel->f_num;
channel->pair->block = channel->block;
channel->pair->ksv = channel->ksv;
- OPL3_EnvelopeUpdateKSL(channel->pair->chipslots[0]);
- OPL3_EnvelopeUpdateKSL(channel->pair->chipslots[1]);
- OPL3_EnvelopeUpdateRate(channel->pair->chipslots[0]);
- OPL3_EnvelopeUpdateRate(channel->pair->chipslots[1]);
+ OPL3_EnvelopeUpdateKSL(channel->pair->slots[0]);
+ OPL3_EnvelopeUpdateKSL(channel->pair->slots[1]);
+ OPL3_EnvelopeUpdateRate(channel->pair->slots[0]);
+ OPL3_EnvelopeUpdateRate(channel->pair->slots[1]);
+ }
+}
+
+static void OPL3_ChannelSetupAlg(opl3_channel *channel)
+{
+ if (channel->chtype == ch_drum)
+ {
+ switch (channel->alg & 0x01)
+ {
+ case 0x00:
+ channel->slots[0]->mod = &channel->slots[0]->fbmod;
+ channel->slots[1]->mod = &channel->slots[0]->out;
+ break;
+ case 0x01:
+ channel->slots[0]->mod = &channel->slots[0]->fbmod;
+ channel->slots[1]->mod = &channel->chip->zeromod;
+ break;
+ }
+ return;
+ }
+ if (channel->alg & 0x08)
+ {
+ return;
+ }
+ if (channel->alg & 0x04)
+ {
+ channel->pair->out[0] = &channel->chip->zeromod;
+ channel->pair->out[1] = &channel->chip->zeromod;
+ channel->pair->out[2] = &channel->chip->zeromod;
+ channel->pair->out[3] = &channel->chip->zeromod;
+ switch (channel->alg & 0x03)
+ {
+ case 0x00:
+ channel->pair->slots[0]->mod = &channel->pair->slots[0]->fbmod;
+ channel->pair->slots[1]->mod = &channel->pair->slots[0]->out;
+ channel->slots[0]->mod = &channel->pair->slots[1]->out;
+ channel->slots[1]->mod = &channel->slots[0]->out;
+ channel->out[0] = &channel->slots[1]->out;
+ channel->out[1] = &channel->chip->zeromod;
+ channel->out[2] = &channel->chip->zeromod;
+ channel->out[3] = &channel->chip->zeromod;
+ break;
+ case 0x01:
+ channel->pair->slots[0]->mod = &channel->pair->slots[0]->fbmod;
+ channel->pair->slots[1]->mod = &channel->pair->slots[0]->out;
+ channel->slots[0]->mod = &channel->chip->zeromod;
+ channel->slots[1]->mod = &channel->slots[0]->out;
+ channel->out[0] = &channel->pair->slots[1]->out;
+ channel->out[1] = &channel->slots[1]->out;
+ channel->out[2] = &channel->chip->zeromod;
+ channel->out[3] = &channel->chip->zeromod;
+ break;
+ case 0x02:
+ channel->pair->slots[0]->mod = &channel->pair->slots[0]->fbmod;
+ channel->pair->slots[1]->mod = &channel->chip->zeromod;
+ channel->slots[0]->mod = &channel->pair->slots[1]->out;
+ channel->slots[1]->mod = &channel->slots[0]->out;
+ channel->out[0] = &channel->pair->slots[0]->out;
+ channel->out[1] = &channel->slots[1]->out;
+ channel->out[2] = &channel->chip->zeromod;
+ channel->out[3] = &channel->chip->zeromod;
+ break;
+ case 0x03:
+ channel->pair->slots[0]->mod = &channel->pair->slots[0]->fbmod;
+ channel->pair->slots[1]->mod = &channel->chip->zeromod;
+ channel->slots[0]->mod = &channel->pair->slots[1]->out;
+ channel->slots[1]->mod = &channel->chip->zeromod;
+ channel->out[0] = &channel->pair->slots[0]->out;
+ channel->out[1] = &channel->slots[0]->out;
+ channel->out[2] = &channel->slots[1]->out;
+ channel->out[3] = &channel->chip->zeromod;
+ break;
+ }
+ }
+ else
+ {
+ switch (channel->alg & 0x01)
+ {
+ case 0x00:
+ channel->slots[0]->mod = &channel->slots[0]->fbmod;
+ channel->slots[1]->mod = &channel->slots[0]->out;
+ channel->out[0] = &channel->slots[1]->out;
+ channel->out[1] = &channel->chip->zeromod;
+ channel->out[2] = &channel->chip->zeromod;
+ channel->out[3] = &channel->chip->zeromod;
+ break;
+ case 0x01:
+ channel->slots[0]->mod = &channel->slots[0]->fbmod;
+ channel->slots[1]->mod = &channel->chip->zeromod;
+ channel->out[0] = &channel->slots[0]->out;
+ channel->out[1] = &channel->slots[1]->out;
+ channel->out[2] = &channel->chip->zeromod;
+ channel->out[3] = &channel->chip->zeromod;
+ break;
+ }
}
}
-static INLINE void OPL3_ChannelWriteC0(opl3_channel *channel, Bit8u data)
+static void OPL3_ChannelWriteC0(opl3_channel *channel, Bit8u data)
{
channel->fb = (data & 0x0e) >> 1;
channel->con = data & 0x01;
@@ -973,55 +899,55 @@ static INLINE void OPL3_ChannelWriteC0(opl3_channel *channel, Bit8u data)
}
}
-static INLINE void OPL3_ChannelKeyOn(opl3_channel *channel)
+static void OPL3_ChannelKeyOn(opl3_channel *channel)
{
if (channel->chip->newm)
{
if (channel->chtype == ch_4op)
{
- OPL3_EnvelopeKeyOn(channel->chipslots[0], egk_norm);
- OPL3_EnvelopeKeyOn(channel->chipslots[1], egk_norm);
- OPL3_EnvelopeKeyOn(channel->pair->chipslots[0], egk_norm);
- OPL3_EnvelopeKeyOn(channel->pair->chipslots[1], egk_norm);
+ OPL3_EnvelopeKeyOn(channel->slots[0], egk_norm);
+ OPL3_EnvelopeKeyOn(channel->slots[1], egk_norm);
+ OPL3_EnvelopeKeyOn(channel->pair->slots[0], egk_norm);
+ OPL3_EnvelopeKeyOn(channel->pair->slots[1], egk_norm);
}
else if (channel->chtype == ch_2op || channel->chtype == ch_drum)
{
- OPL3_EnvelopeKeyOn(channel->chipslots[0], egk_norm);
- OPL3_EnvelopeKeyOn(channel->chipslots[1], egk_norm);
+ OPL3_EnvelopeKeyOn(channel->slots[0], egk_norm);
+ OPL3_EnvelopeKeyOn(channel->slots[1], egk_norm);
}
}
else
{
- OPL3_EnvelopeKeyOn(channel->chipslots[0], egk_norm);
- OPL3_EnvelopeKeyOn(channel->chipslots[1], egk_norm);
+ OPL3_EnvelopeKeyOn(channel->slots[0], egk_norm);
+ OPL3_EnvelopeKeyOn(channel->slots[1], egk_norm);
}
}
-static INLINE void OPL3_ChannelKeyOff(opl3_channel *channel)
+static void OPL3_ChannelKeyOff(opl3_channel *channel)
{
if (channel->chip->newm)
{
if (channel->chtype == ch_4op)
{
- OPL3_EnvelopeKeyOff(channel->chipslots[0], egk_norm);
- OPL3_EnvelopeKeyOff(channel->chipslots[1], egk_norm);
- OPL3_EnvelopeKeyOff(channel->pair->chipslots[0], egk_norm);
- OPL3_EnvelopeKeyOff(channel->pair->chipslots[1], egk_norm);
+ OPL3_EnvelopeKeyOff(channel->slots[0], egk_norm);
+ OPL3_EnvelopeKeyOff(channel->slots[1], egk_norm);
+ OPL3_EnvelopeKeyOff(channel->pair->slots[0], egk_norm);
+ OPL3_EnvelopeKeyOff(channel->pair->slots[1], egk_norm);
}
else if (channel->chtype == ch_2op || channel->chtype == ch_drum)
{
- OPL3_EnvelopeKeyOff(channel->chipslots[0], egk_norm);
- OPL3_EnvelopeKeyOff(channel->chipslots[1], egk_norm);
+ OPL3_EnvelopeKeyOff(channel->slots[0], egk_norm);
+ OPL3_EnvelopeKeyOff(channel->slots[1], egk_norm);
}
}
else
{
- OPL3_EnvelopeKeyOff(channel->chipslots[0], egk_norm);
- OPL3_EnvelopeKeyOff(channel->chipslots[1], egk_norm);
+ OPL3_EnvelopeKeyOff(channel->slots[0], egk_norm);
+ OPL3_EnvelopeKeyOff(channel->slots[1], egk_norm);
}
}
-static INLINE void OPL3_ChannelSet4Op(opl3_chip *chip, Bit8u data)
+static void OPL3_ChannelSet4Op(opl3_chip *chip, Bit8u data)
{
Bit8u bit;
Bit8u chnum;
@@ -1045,7 +971,6 @@ static INLINE void OPL3_ChannelSet4Op(opl3_chip *chip, Bit8u data)
}
}
-/*
static Bit16s OPL3_ClipSample(Bit32s sample)
{
if (sample > 32767)
@@ -1057,12 +982,9 @@ static Bit16s OPL3_ClipSample(Bit32s sample)
sample = -32768;
}
return (Bit16s)sample;
-}*/
-
-#define OPL3_ClipSample(sample) \
- (Bit16s)( ((sample) > 32767) ? 32767 : ( ((sample) < -32768) ? -32768 : (sample)) )
+}
-static INLINE void OPL3_GenerateRhythm1(opl3_chip *chip)
+static void OPL3_GenerateRhythm1(opl3_chip *chip)
{
opl3_channel *channel6;
opl3_channel *channel7;
@@ -1075,22 +997,22 @@ static INLINE void OPL3_GenerateRhythm1(opl3_chip *chip)
channel6 = &chip->channel[6];
channel7 = &chip->channel[7];
channel8 = &chip->channel[8];
- OPL3_SlotGenerate(channel6->chipslots[0]);
- phase14 = (channel7->chipslots[0]->pg_phase >> 9) & 0x3ff;
- phase17 = (channel8->chipslots[1]->pg_phase >> 9) & 0x3ff;
+ OPL3_SlotGenerate(channel6->slots[0]);
+ phase14 = (channel7->slots[0]->pg_phase >> 9) & 0x3ff;
+ phase17 = (channel8->slots[1]->pg_phase >> 9) & 0x3ff;
phase = 0x00;
- /* hh tc phase bit */
+ /*hh tc phase bit*/
phasebit = ((phase14 & 0x08) | (((phase14 >> 5) ^ phase14) & 0x04)
| (((phase17 >> 2) ^ phase17) & 0x08)) ? 0x01 : 0x00;
- /* hh */
+ /*hh*/
phase = (phasebit << 9)
| (0x34 << ((phasebit ^ (chip->noise & 0x01)) << 1));
- OPL3_SlotGeneratePhase(channel7->chipslots[0], phase);
- /* tt */
- OPL3_SlotGenerateZM(channel8->chipslots[0]);
+ OPL3_SlotGeneratePhase(channel7->slots[0], phase);
+ /*tt*/
+ OPL3_SlotGenerateZM(channel8->slots[0]);
}
-static INLINE void OPL3_GenerateRhythm2(opl3_chip *chip)
+static void OPL3_GenerateRhythm2(opl3_chip *chip)
{
opl3_channel *channel6;
opl3_channel *channel7;
@@ -1103,22 +1025,22 @@ static INLINE void OPL3_GenerateRhythm2(opl3_chip *chip)
channel6 = &chip->channel[6];
channel7 = &chip->channel[7];
channel8 = &chip->channel[8];
- OPL3_SlotGenerate(channel6->chipslots[1]);
- phase14 = (channel7->chipslots[0]->pg_phase >> 9) & 0x3ff;
- phase17 = (channel8->chipslots[1]->pg_phase >> 9) & 0x3ff;
+ OPL3_SlotGenerate(channel6->slots[1]);
+ phase14 = (channel7->slots[0]->pg_phase >> 9) & 0x3ff;
+ phase17 = (channel8->slots[1]->pg_phase >> 9) & 0x3ff;
phase = 0x00;
- /* hh tc phase bit */
+ /*hh tc phase bit*/
phasebit = ((phase14 & 0x08) | (((phase14 >> 5) ^ phase14) & 0x04)
| (((phase17 >> 2) ^ phase17) & 0x08)) ? 0x01 : 0x00;
- /* sd */
+ /*sd*/
phase = (0x100 << ((phase14 >> 8) & 0x01)) ^ ((chip->noise & 0x01) << 8);
- OPL3_SlotGeneratePhase(channel7->chipslots[1], phase);
- /* tc */
+ OPL3_SlotGeneratePhase(channel7->slots[1], phase);
+ /*tc*/
phase = 0x100 | (phasebit << 9);
- OPL3_SlotGeneratePhase(channel8->chipslots[1], phase);
+ OPL3_SlotGeneratePhase(channel8->slots[1], phase);
}
-static INLINE void OPL3_GenerateREAL(opl3_chip *chip, Bit16s *buf)
+void OPL3_Generate(opl3_chip *chip, Bit16s *buf)
{
Bit8u ii;
Bit8u jj;
@@ -1128,17 +1050,17 @@ static INLINE void OPL3_GenerateREAL(opl3_chip *chip, Bit16s *buf)
for (ii = 0; ii < 12; ii++)
{
- OPL3_SlotCalcFB(&chip->slot[ii]);
- OPL3_PhaseGenerate(&chip->slot[ii]);
- OPL3_EnvelopeCalc(&chip->slot[ii]);
- OPL3_SlotGenerate(&chip->slot[ii]);
+ OPL3_SlotCalcFB(&chip->chipslot[ii]);
+ OPL3_PhaseGenerate(&chip->chipslot[ii]);
+ OPL3_EnvelopeCalc(&chip->chipslot[ii]);
+ OPL3_SlotGenerate(&chip->chipslot[ii]);
}
for (ii = 12; ii < 15; ii++)
{
- OPL3_SlotCalcFB(&chip->slot[ii]);
- OPL3_PhaseGenerate(&chip->slot[ii]);
- OPL3_EnvelopeCalc(&chip->slot[ii]);
+ OPL3_SlotCalcFB(&chip->chipslot[ii]);
+ OPL3_PhaseGenerate(&chip->chipslot[ii]);
+ OPL3_EnvelopeCalc(&chip->chipslot[ii]);
}
if (chip->rhy & 0x20)
@@ -1147,9 +1069,9 @@ static INLINE void OPL3_GenerateREAL(opl3_chip *chip, Bit16s *buf)
}
else
{
- OPL3_SlotGenerate(&chip->slot[12]);
- OPL3_SlotGenerate(&chip->slot[13]);
- OPL3_SlotGenerate(&chip->slot[14]);
+ OPL3_SlotGenerate(&chip->chipslot[12]);
+ OPL3_SlotGenerate(&chip->chipslot[13]);
+ OPL3_SlotGenerate(&chip->chipslot[14]);
}
chip->mixbuff[0] = 0;
@@ -1165,9 +1087,9 @@ static INLINE void OPL3_GenerateREAL(opl3_chip *chip, Bit16s *buf)
for (ii = 15; ii < 18; ii++)
{
- OPL3_SlotCalcFB(&chip->slot[ii]);
- OPL3_PhaseGenerate(&chip->slot[ii]);
- OPL3_EnvelopeCalc(&chip->slot[ii]);
+ OPL3_SlotCalcFB(&chip->chipslot[ii]);
+ OPL3_PhaseGenerate(&chip->chipslot[ii]);
+ OPL3_EnvelopeCalc(&chip->chipslot[ii]);
}
if (chip->rhy & 0x20)
@@ -1176,19 +1098,19 @@ static INLINE void OPL3_GenerateREAL(opl3_chip *chip, Bit16s *buf)
}
else
{
- OPL3_SlotGenerate(&chip->slot[15]);
- OPL3_SlotGenerate(&chip->slot[16]);
- OPL3_SlotGenerate(&chip->slot[17]);
+ OPL3_SlotGenerate(&chip->chipslot[15]);
+ OPL3_SlotGenerate(&chip->chipslot[16]);
+ OPL3_SlotGenerate(&chip->chipslot[17]);
}
buf[0] = OPL3_ClipSample(chip->mixbuff[0]);
for (ii = 18; ii < 33; ii++)
{
- OPL3_SlotCalcFB(&chip->slot[ii]);
- OPL3_PhaseGenerate(&chip->slot[ii]);
- OPL3_EnvelopeCalc(&chip->slot[ii]);
- OPL3_SlotGenerate(&chip->slot[ii]);
+ OPL3_SlotCalcFB(&chip->chipslot[ii]);
+ OPL3_PhaseGenerate(&chip->chipslot[ii]);
+ OPL3_EnvelopeCalc(&chip->chipslot[ii]);
+ OPL3_SlotGenerate(&chip->chipslot[ii]);
}
chip->mixbuff[1] = 0;
@@ -1204,10 +1126,10 @@ static INLINE void OPL3_GenerateREAL(opl3_chip *chip, Bit16s *buf)
for (ii = 33; ii < 36; ii++)
{
- OPL3_SlotCalcFB(&chip->slot[ii]);
- OPL3_PhaseGenerate(&chip->slot[ii]);
- OPL3_EnvelopeCalc(&chip->slot[ii]);
- OPL3_SlotGenerate(&chip->slot[ii]);
+ OPL3_SlotCalcFB(&chip->chipslot[ii]);
+ OPL3_PhaseGenerate(&chip->chipslot[ii]);
+ OPL3_EnvelopeCalc(&chip->chipslot[ii]);
+ OPL3_SlotGenerate(&chip->chipslot[ii]);
}
OPL3_NoiseGenerate(chip);
@@ -1246,13 +1168,13 @@ static INLINE void OPL3_GenerateREAL(opl3_chip *chip, Bit16s *buf)
chip->writebuf_samplecnt++;
}
-static INLINE void OPL3_GenerateResampledREAL(opl3_chip *chip, Bit16s *buf)
+void OPL3_GenerateResampled(opl3_chip *chip, Bit16s *buf)
{
while (chip->samplecnt >= chip->rateratio)
{
chip->oldsamples[0] = chip->samples[0];
chip->oldsamples[1] = chip->samples[1];
- OPL3_GenerateREAL(chip, chip->samples);
+ OPL3_Generate(chip, chip->samples);
chip->samplecnt -= chip->rateratio;
}
buf[0] = (Bit16s)((chip->oldsamples[0] * (chip->rateratio - chip->samplecnt)
@@ -1262,16 +1184,6 @@ static INLINE void OPL3_GenerateResampledREAL(opl3_chip *chip, Bit16s *buf)
chip->samplecnt += 1 << RSM_FRAC;
}
-void OPL3_Generate(opl3_chip *chip, Bit16s *buf)
-{
- OPL3_GenerateREAL(chip, buf);
-}
-
-void OPL3_GenerateResampled(opl3_chip *chip, Bit16s *buf)
-{
- OPL3_GenerateResampledREAL(chip, buf);
-}
-
void OPL3_Reset(opl3_chip *chip, Bit32u samplerate)
{
Bit8u slotnum;
@@ -1280,19 +1192,20 @@ void OPL3_Reset(opl3_chip *chip, Bit32u samplerate)
memset(chip, 0, sizeof(opl3_chip));
for (slotnum = 0; slotnum < 36; slotnum++)
{
- chip->slot[slotnum].chip = chip;
- chip->slot[slotnum].mod = &chip->zeromod;
- chip->slot[slotnum].eg_rout = 0x1ff;
- chip->slot[slotnum].eg_out = 0x1ff;
- chip->slot[slotnum].eg_gen = envelope_gen_num_off;
- chip->slot[slotnum].trem = (Bit8u*)&chip->zeromod;
+ chip->chipslot[slotnum].chip = chip;
+ chip->chipslot[slotnum].mod = &chip->zeromod;
+ chip->chipslot[slotnum].eg_rout = 0x1ff;
+ chip->chipslot[slotnum].eg_out = 0x1ff << 3;
+ chip->chipslot[slotnum].eg_gen = envelope_gen_num_off;
+ chip->chipslot[slotnum].trem = (Bit8u*)&chip->zeromod;
+ chip->chipslot[slotnum].signpos = (31-9); /* for wf=0 need use sigext of (phase & 0x200) */
}
for (channum = 0; channum < 18; channum++)
{
- chip->channel[channum].chipslots[0] = &chip->slot[ch_slot[channum]];
- chip->channel[channum].chipslots[1] = &chip->slot[ch_slot[channum] + 3];
- chip->slot[ch_slot[channum]].channel = &chip->channel[channum];
- chip->slot[ch_slot[channum] + 3].channel = &chip->channel[channum];
+ chip->channel[channum].slots[0] = &chip->chipslot[ch_slot[channum]];
+ chip->channel[channum].slots[1] = &chip->chipslot[ch_slot[channum] + 3];
+ chip->chipslot[ch_slot[channum]].channel = &chip->channel[channum];
+ chip->chipslot[ch_slot[channum] + 3].channel = &chip->channel[channum];
if ((channum % 9) < 3)
{
chip->channel[channum].pair = &chip->channel[channum + 3];
@@ -1350,35 +1263,35 @@ void OPL3_WriteReg(opl3_chip *chip, Bit16u reg, Bit8u v)
case 0x30:
if (ad_slot[regm & 0x1f] >= 0)
{
- OPL3_SlotWrite20(&chip->slot[18 * high + ad_slot[regm & 0x1f]], v);
+ OPL3_SlotWrite20(&chip->chipslot[18 * high + ad_slot[regm & 0x1f]], v);
}
break;
case 0x40:
case 0x50:
if (ad_slot[regm & 0x1f] >= 0)
{
- OPL3_SlotWrite40(&chip->slot[18 * high + ad_slot[regm & 0x1f]], v);
+ OPL3_SlotWrite40(&chip->chipslot[18 * high + ad_slot[regm & 0x1f]], v);
}
break;
case 0x60:
case 0x70:
if (ad_slot[regm & 0x1f] >= 0)
{
- OPL3_SlotWrite60(&chip->slot[18 * high + ad_slot[regm & 0x1f]], v);
+ OPL3_SlotWrite60(&chip->chipslot[18 * high + ad_slot[regm & 0x1f]], v);
}
break;
case 0x80:
case 0x90:
if (ad_slot[regm & 0x1f] >= 0)
{
- OPL3_SlotWrite80(&chip->slot[18 * high + ad_slot[regm & 0x1f]], v);
+ OPL3_SlotWrite80(&chip->chipslot[18 * high + ad_slot[regm & 0x1f]], v);
}
break;
case 0xe0:
case 0xf0:
if (ad_slot[regm & 0x1f] >= 0)
{
- OPL3_SlotWriteE0(&chip->slot[18 * high + ad_slot[regm & 0x1f]], v);
+ OPL3_SlotWriteE0(&chip->chipslot[18 * high + ad_slot[regm & 0x1f]], v);
}
break;
case 0xa0:
@@ -1450,7 +1363,7 @@ void OPL3_GenerateStream(opl3_chip *chip, Bit16s *sndptr, Bit32u numsamples)
for(i = 0; i < numsamples; i++)
{
- OPL3_GenerateResampledREAL(chip, sndptr);
+ OPL3_GenerateResampled(chip, sndptr);
sndptr += 2;
}
}
@@ -1467,7 +1380,7 @@ void OPL3_GenerateStreamMix(opl3_chip *chip, Bit16s *sndptr, Bit32u numsamples)
for(i = 0; i < numsamples; i++)
{
- OPL3_GenerateResampledREAL(chip, sample);
+ OPL3_GenerateResampled(chip, sample);
mix[0] = sndptr[0] + sample[0];
mix[1] = sndptr[1] + sample[1];
sndptr[0] = OPL3_CLAMP(mix[0], INT16_MIN, INT16_MAX);
generated by cgit v1.2.3 (git 2.25.1) at 2025-07-04 00:35:49 +0000