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dsp1.cpp
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dsp1.cpp
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/*****************************************************************************\
Snes9x - Portable Super Nintendo Entertainment System (TM) emulator.
This file is licensed under the Snes9x License.
For further information, consult the LICENSE file in the root directory.
\*****************************************************************************/
/*
Copyright (C) 1997-2006 ZSNES Team ( zsKnight, _Demo_, pagefault, Nach )
http://www.zsnes.com
http://sourceforge.net/projects/zsnes
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
version 2 as published by the Free Software Foundation.
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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "snes9x.h"
#include "memmap.h"
#ifdef DEBUGGER
//#define DebugDSP1
#endif
#ifdef DebugDSP1
#include <stdarg.h>
static FILE *LogFile = NULL;
#endif
static const uint16 DSP1ROM[1024] =
{
0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
0x0000, 0x0000, 0x0001, 0x0002, 0x0004, 0x0008, 0x0010, 0x0020,
0x0040, 0x0080, 0x0100, 0x0200, 0x0400, 0x0800, 0x1000, 0x2000,
0x4000, 0x7fff, 0x4000, 0x2000, 0x1000, 0x0800, 0x0400, 0x0200,
0x0100, 0x0080, 0x0040, 0x0020, 0x0001, 0x0008, 0x0004, 0x0002,
0x0001, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
0x0000, 0x0000, 0x8000, 0xffe5, 0x0100, 0x7fff, 0x7f02, 0x7e08,
0x7d12, 0x7c1f, 0x7b30, 0x7a45, 0x795d, 0x7878, 0x7797, 0x76ba,
0x75df, 0x7507, 0x7433, 0x7361, 0x7293, 0x71c7, 0x70fe, 0x7038,
0x6f75, 0x6eb4, 0x6df6, 0x6d3a, 0x6c81, 0x6bca, 0x6b16, 0x6a64,
0x69b4, 0x6907, 0x685b, 0x67b2, 0x670b, 0x6666, 0x65c4, 0x6523,
0x6484, 0x63e7, 0x634c, 0x62b3, 0x621c, 0x6186, 0x60f2, 0x6060,
0x5fd0, 0x5f41, 0x5eb5, 0x5e29, 0x5d9f, 0x5d17, 0x5c91, 0x5c0c,
0x5b88, 0x5b06, 0x5a85, 0x5a06, 0x5988, 0x590b, 0x5890, 0x5816,
0x579d, 0x5726, 0x56b0, 0x563b, 0x55c8, 0x5555, 0x54e4, 0x5474,
0x5405, 0x5398, 0x532b, 0x52bf, 0x5255, 0x51ec, 0x5183, 0x511c,
0x50b6, 0x5050, 0x4fec, 0x4f89, 0x4f26, 0x4ec5, 0x4e64, 0x4e05,
0x4da6, 0x4d48, 0x4cec, 0x4c90, 0x4c34, 0x4bda, 0x4b81, 0x4b28,
0x4ad0, 0x4a79, 0x4a23, 0x49cd, 0x4979, 0x4925, 0x48d1, 0x487f,
0x482d, 0x47dc, 0x478c, 0x473c, 0x46ed, 0x469f, 0x4651, 0x4604,
0x45b8, 0x456c, 0x4521, 0x44d7, 0x448d, 0x4444, 0x43fc, 0x43b4,
0x436d, 0x4326, 0x42e0, 0x429a, 0x4255, 0x4211, 0x41cd, 0x4189,
0x4146, 0x4104, 0x40c2, 0x4081, 0x4040, 0x3fff, 0x41f7, 0x43e1,
0x45bd, 0x478d, 0x4951, 0x4b0b, 0x4cbb, 0x4e61, 0x4fff, 0x5194,
0x5322, 0x54a9, 0x5628, 0x57a2, 0x5914, 0x5a81, 0x5be9, 0x5d4a,
0x5ea7, 0x5fff, 0x6152, 0x62a0, 0x63ea, 0x6530, 0x6672, 0x67b0,
0x68ea, 0x6a20, 0x6b53, 0x6c83, 0x6daf, 0x6ed9, 0x6fff, 0x7122,
0x7242, 0x735f, 0x747a, 0x7592, 0x76a7, 0x77ba, 0x78cb, 0x79d9,
0x7ae5, 0x7bee, 0x7cf5, 0x7dfa, 0x7efe, 0x7fff, 0x0000, 0x0324,
0x0647, 0x096a, 0x0c8b, 0x0fab, 0x12c8, 0x15e2, 0x18f8, 0x1c0b,
0x1f19, 0x2223, 0x2528, 0x2826, 0x2b1f, 0x2e11, 0x30fb, 0x33de,
0x36ba, 0x398c, 0x3c56, 0x3f17, 0x41ce, 0x447a, 0x471c, 0x49b4,
0x4c3f, 0x4ebf, 0x5133, 0x539b, 0x55f5, 0x5842, 0x5a82, 0x5cb4,
0x5ed7, 0x60ec, 0x62f2, 0x64e8, 0x66cf, 0x68a6, 0x6a6d, 0x6c24,
0x6dca, 0x6f5f, 0x70e2, 0x7255, 0x73b5, 0x7504, 0x7641, 0x776c,
0x7884, 0x798a, 0x7a7d, 0x7b5d, 0x7c29, 0x7ce3, 0x7d8a, 0x7e1d,
0x7e9d, 0x7f09, 0x7f62, 0x7fa7, 0x7fd8, 0x7ff6, 0x7fff, 0x7ff6,
0x7fd8, 0x7fa7, 0x7f62, 0x7f09, 0x7e9d, 0x7e1d, 0x7d8a, 0x7ce3,
0x7c29, 0x7b5d, 0x7a7d, 0x798a, 0x7884, 0x776c, 0x7641, 0x7504,
0x73b5, 0x7255, 0x70e2, 0x6f5f, 0x6dca, 0x6c24, 0x6a6d, 0x68a6,
0x66cf, 0x64e8, 0x62f2, 0x60ec, 0x5ed7, 0x5cb4, 0x5a82, 0x5842,
0x55f5, 0x539b, 0x5133, 0x4ebf, 0x4c3f, 0x49b4, 0x471c, 0x447a,
0x41ce, 0x3f17, 0x3c56, 0x398c, 0x36ba, 0x33de, 0x30fb, 0x2e11,
0x2b1f, 0x2826, 0x2528, 0x2223, 0x1f19, 0x1c0b, 0x18f8, 0x15e2,
0x12c8, 0x0fab, 0x0c8b, 0x096a, 0x0647, 0x0324, 0x7fff, 0x7ff6,
0x7fd8, 0x7fa7, 0x7f62, 0x7f09, 0x7e9d, 0x7e1d, 0x7d8a, 0x7ce3,
0x7c29, 0x7b5d, 0x7a7d, 0x798a, 0x7884, 0x776c, 0x7641, 0x7504,
0x73b5, 0x7255, 0x70e2, 0x6f5f, 0x6dca, 0x6c24, 0x6a6d, 0x68a6,
0x66cf, 0x64e8, 0x62f2, 0x60ec, 0x5ed7, 0x5cb4, 0x5a82, 0x5842,
0x55f5, 0x539b, 0x5133, 0x4ebf, 0x4c3f, 0x49b4, 0x471c, 0x447a,
0x41ce, 0x3f17, 0x3c56, 0x398c, 0x36ba, 0x33de, 0x30fb, 0x2e11,
0x2b1f, 0x2826, 0x2528, 0x2223, 0x1f19, 0x1c0b, 0x18f8, 0x15e2,
0x12c8, 0x0fab, 0x0c8b, 0x096a, 0x0647, 0x0324, 0x0000, 0xfcdc,
0xf9b9, 0xf696, 0xf375, 0xf055, 0xed38, 0xea1e, 0xe708, 0xe3f5,
0xe0e7, 0xdddd, 0xdad8, 0xd7da, 0xd4e1, 0xd1ef, 0xcf05, 0xcc22,
0xc946, 0xc674, 0xc3aa, 0xc0e9, 0xbe32, 0xbb86, 0xb8e4, 0xb64c,
0xb3c1, 0xb141, 0xaecd, 0xac65, 0xaa0b, 0xa7be, 0xa57e, 0xa34c,
0xa129, 0x9f14, 0x9d0e, 0x9b18, 0x9931, 0x975a, 0x9593, 0x93dc,
0x9236, 0x90a1, 0x8f1e, 0x8dab, 0x8c4b, 0x8afc, 0x89bf, 0x8894,
0x877c, 0x8676, 0x8583, 0x84a3, 0x83d7, 0x831d, 0x8276, 0x81e3,
0x8163, 0x80f7, 0x809e, 0x8059, 0x8028, 0x800a, 0x6488, 0x0080,
0x03ff, 0x0116, 0x0002, 0x0080, 0x4000, 0x3fd7, 0x3faf, 0x3f86,
0x3f5d, 0x3f34, 0x3f0c, 0x3ee3, 0x3eba, 0x3e91, 0x3e68, 0x3e40,
0x3e17, 0x3dee, 0x3dc5, 0x3d9c, 0x3d74, 0x3d4b, 0x3d22, 0x3cf9,
0x3cd0, 0x3ca7, 0x3c7f, 0x3c56, 0x3c2d, 0x3c04, 0x3bdb, 0x3bb2,
0x3b89, 0x3b60, 0x3b37, 0x3b0e, 0x3ae5, 0x3abc, 0x3a93, 0x3a69,
0x3a40, 0x3a17, 0x39ee, 0x39c5, 0x399c, 0x3972, 0x3949, 0x3920,
0x38f6, 0x38cd, 0x38a4, 0x387a, 0x3851, 0x3827, 0x37fe, 0x37d4,
0x37aa, 0x3781, 0x3757, 0x372d, 0x3704, 0x36da, 0x36b0, 0x3686,
0x365c, 0x3632, 0x3609, 0x35df, 0x35b4, 0x358a, 0x3560, 0x3536,
0x350c, 0x34e1, 0x34b7, 0x348d, 0x3462, 0x3438, 0x340d, 0x33e3,
0x33b8, 0x338d, 0x3363, 0x3338, 0x330d, 0x32e2, 0x32b7, 0x328c,
0x3261, 0x3236, 0x320b, 0x31df, 0x31b4, 0x3188, 0x315d, 0x3131,
0x3106, 0x30da, 0x30ae, 0x3083, 0x3057, 0x302b, 0x2fff, 0x2fd2,
0x2fa6, 0x2f7a, 0x2f4d, 0x2f21, 0x2ef4, 0x2ec8, 0x2e9b, 0x2e6e,
0x2e41, 0x2e14, 0x2de7, 0x2dba, 0x2d8d, 0x2d60, 0x2d32, 0x2d05,
0x2cd7, 0x2ca9, 0x2c7b, 0x2c4d, 0x2c1f, 0x2bf1, 0x2bc3, 0x2b94,
0x2b66, 0x2b37, 0x2b09, 0x2ada, 0x2aab, 0x2a7c, 0x2a4c, 0x2a1d,
0x29ed, 0x29be, 0x298e, 0x295e, 0x292e, 0x28fe, 0x28ce, 0x289d,
0x286d, 0x283c, 0x280b, 0x27da, 0x27a9, 0x2777, 0x2746, 0x2714,
0x26e2, 0x26b0, 0x267e, 0x264c, 0x2619, 0x25e7, 0x25b4, 0x2581,
0x254d, 0x251a, 0x24e6, 0x24b2, 0x247e, 0x244a, 0x2415, 0x23e1,
0x23ac, 0x2376, 0x2341, 0x230b, 0x22d6, 0x229f, 0x2269, 0x2232,
0x21fc, 0x21c4, 0x218d, 0x2155, 0x211d, 0x20e5, 0x20ad, 0x2074,
0x203b, 0x2001, 0x1fc7, 0x1f8d, 0x1f53, 0x1f18, 0x1edd, 0x1ea1,
0x1e66, 0x1e29, 0x1ded, 0x1db0, 0x1d72, 0x1d35, 0x1cf6, 0x1cb8,
0x1c79, 0x1c39, 0x1bf9, 0x1bb8, 0x1b77, 0x1b36, 0x1af4, 0x1ab1,
0x1a6e, 0x1a2a, 0x19e6, 0x19a1, 0x195c, 0x1915, 0x18ce, 0x1887,
0x183f, 0x17f5, 0x17ac, 0x1761, 0x1715, 0x16c9, 0x167c, 0x162e,
0x15df, 0x158e, 0x153d, 0x14eb, 0x1497, 0x1442, 0x13ec, 0x1395,
0x133c, 0x12e2, 0x1286, 0x1228, 0x11c9, 0x1167, 0x1104, 0x109e,
0x1036, 0x0fcc, 0x0f5f, 0x0eef, 0x0e7b, 0x0e04, 0x0d89, 0x0d0a,
0x0c86, 0x0bfd, 0x0b6d, 0x0ad6, 0x0a36, 0x098d, 0x08d7, 0x0811,
0x0736, 0x063e, 0x0519, 0x039a, 0x0000, 0x7fff, 0x0100, 0x0080,
0x021d, 0x00c8, 0x00ce, 0x0048, 0x0a26, 0x277a, 0x00ce, 0x6488,
0x14ac, 0x0001, 0x00f9, 0x00fc, 0x00ff, 0x00fc, 0x00f9, 0xffff,
0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff,
0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff,
0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff,
0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff,
0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff,
0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff,
0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff,
0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff,
0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff,
0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff,
0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff,
0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff,
0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff,
0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff,
0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff,
0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff,
0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff,
0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff,
0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff,
0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff,
0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff,
0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff,
0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff,
0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff,
0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff,
0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff
};
static const int16 DSP1_MulTable[256] =
{
0x0000, 0x0003, 0x0006, 0x0009, 0x000c, 0x000f, 0x0012, 0x0015,
0x0019, 0x001c, 0x001f, 0x0022, 0x0025, 0x0028, 0x002b, 0x002f,
0x0032, 0x0035, 0x0038, 0x003b, 0x003e, 0x0041, 0x0045, 0x0048,
0x004b, 0x004e, 0x0051, 0x0054, 0x0057, 0x005b, 0x005e, 0x0061,
0x0064, 0x0067, 0x006a, 0x006d, 0x0071, 0x0074, 0x0077, 0x007a,
0x007d, 0x0080, 0x0083, 0x0087, 0x008a, 0x008d, 0x0090, 0x0093,
0x0096, 0x0099, 0x009d, 0x00a0, 0x00a3, 0x00a6, 0x00a9, 0x00ac,
0x00af, 0x00b3, 0x00b6, 0x00b9, 0x00bc, 0x00bf, 0x00c2, 0x00c5,
0x00c9, 0x00cc, 0x00cf, 0x00d2, 0x00d5, 0x00d8, 0x00db, 0x00df,
0x00e2, 0x00e5, 0x00e8, 0x00eb, 0x00ee, 0x00f1, 0x00f5, 0x00f8,
0x00fb, 0x00fe, 0x0101, 0x0104, 0x0107, 0x010b, 0x010e, 0x0111,
0x0114, 0x0117, 0x011a, 0x011d, 0x0121, 0x0124, 0x0127, 0x012a,
0x012d, 0x0130, 0x0133, 0x0137, 0x013a, 0x013d, 0x0140, 0x0143,
0x0146, 0x0149, 0x014d, 0x0150, 0x0153, 0x0156, 0x0159, 0x015c,
0x015f, 0x0163, 0x0166, 0x0169, 0x016c, 0x016f, 0x0172, 0x0175,
0x0178, 0x017c, 0x017f, 0x0182, 0x0185, 0x0188, 0x018b, 0x018e,
0x0192, 0x0195, 0x0198, 0x019b, 0x019e, 0x01a1, 0x01a4, 0x01a8,
0x01ab, 0x01ae, 0x01b1, 0x01b4, 0x01b7, 0x01ba, 0x01be, 0x01c1,
0x01c4, 0x01c7, 0x01ca, 0x01cd, 0x01d0, 0x01d4, 0x01d7, 0x01da,
0x01dd, 0x01e0, 0x01e3, 0x01e6, 0x01ea, 0x01ed, 0x01f0, 0x01f3,
0x01f6, 0x01f9, 0x01fc, 0x0200, 0x0203, 0x0206, 0x0209, 0x020c,
0x020f, 0x0212, 0x0216, 0x0219, 0x021c, 0x021f, 0x0222, 0x0225,
0x0228, 0x022c, 0x022f, 0x0232, 0x0235, 0x0238, 0x023b, 0x023e,
0x0242, 0x0245, 0x0248, 0x024b, 0x024e, 0x0251, 0x0254, 0x0258,
0x025b, 0x025e, 0x0261, 0x0264, 0x0267, 0x026a, 0x026e, 0x0271,
0x0274, 0x0277, 0x027a, 0x027d, 0x0280, 0x0284, 0x0287, 0x028a,
0x028d, 0x0290, 0x0293, 0x0296, 0x029a, 0x029d, 0x02a0, 0x02a3,
0x02a6, 0x02a9, 0x02ac, 0x02b0, 0x02b3, 0x02b6, 0x02b9, 0x02bc,
0x02bf, 0x02c2, 0x02c6, 0x02c9, 0x02cc, 0x02cf, 0x02d2, 0x02d5,
0x02d8, 0x02db, 0x02df, 0x02e2, 0x02e5, 0x02e8, 0x02eb, 0x02ee,
0x02f1, 0x02f5, 0x02f8, 0x02fb, 0x02fe, 0x0301, 0x0304, 0x0307,
0x030b, 0x030e, 0x0311, 0x0314, 0x0317, 0x031a, 0x031d, 0x0321
};
static const int16 DSP1_SinTable[256] =
{
0x0000, 0x0324, 0x0647, 0x096a, 0x0c8b, 0x0fab, 0x12c8, 0x15e2,
0x18f8, 0x1c0b, 0x1f19, 0x2223, 0x2528, 0x2826, 0x2b1f, 0x2e11,
0x30fb, 0x33de, 0x36ba, 0x398c, 0x3c56, 0x3f17, 0x41ce, 0x447a,
0x471c, 0x49b4, 0x4c3f, 0x4ebf, 0x5133, 0x539b, 0x55f5, 0x5842,
0x5a82, 0x5cb4, 0x5ed7, 0x60ec, 0x62f2, 0x64e8, 0x66cf, 0x68a6,
0x6a6d, 0x6c24, 0x6dca, 0x6f5f, 0x70e2, 0x7255, 0x73b5, 0x7504,
0x7641, 0x776c, 0x7884, 0x798a, 0x7a7d, 0x7b5d, 0x7c29, 0x7ce3,
0x7d8a, 0x7e1d, 0x7e9d, 0x7f09, 0x7f62, 0x7fa7, 0x7fd8, 0x7ff6,
0x7fff, 0x7ff6, 0x7fd8, 0x7fa7, 0x7f62, 0x7f09, 0x7e9d, 0x7e1d,
0x7d8a, 0x7ce3, 0x7c29, 0x7b5d, 0x7a7d, 0x798a, 0x7884, 0x776c,
0x7641, 0x7504, 0x73b5, 0x7255, 0x70e2, 0x6f5f, 0x6dca, 0x6c24,
0x6a6d, 0x68a6, 0x66cf, 0x64e8, 0x62f2, 0x60ec, 0x5ed7, 0x5cb4,
0x5a82, 0x5842, 0x55f5, 0x539b, 0x5133, 0x4ebf, 0x4c3f, 0x49b4,
0x471c, 0x447a, 0x41ce, 0x3f17, 0x3c56, 0x398c, 0x36ba, 0x33de,
0x30fb, 0x2e11, 0x2b1f, 0x2826, 0x2528, 0x2223, 0x1f19, 0x1c0b,
0x18f8, 0x15e2, 0x12c8, 0x0fab, 0x0c8b, 0x096a, 0x0647, 0x0324,
-0x0000, -0x0324, -0x0647, -0x096a, -0x0c8b, -0x0fab, -0x12c8, -0x15e2,
-0x18f8, -0x1c0b, -0x1f19, -0x2223, -0x2528, -0x2826, -0x2b1f, -0x2e11,
-0x30fb, -0x33de, -0x36ba, -0x398c, -0x3c56, -0x3f17, -0x41ce, -0x447a,
-0x471c, -0x49b4, -0x4c3f, -0x4ebf, -0x5133, -0x539b, -0x55f5, -0x5842,
-0x5a82, -0x5cb4, -0x5ed7, -0x60ec, -0x62f2, -0x64e8, -0x66cf, -0x68a6,
-0x6a6d, -0x6c24, -0x6dca, -0x6f5f, -0x70e2, -0x7255, -0x73b5, -0x7504,
-0x7641, -0x776c, -0x7884, -0x798a, -0x7a7d, -0x7b5d, -0x7c29, -0x7ce3,
-0x7d8a, -0x7e1d, -0x7e9d, -0x7f09, -0x7f62, -0x7fa7, -0x7fd8, -0x7ff6,
-0x7fff, -0x7ff6, -0x7fd8, -0x7fa7, -0x7f62, -0x7f09, -0x7e9d, -0x7e1d,
-0x7d8a, -0x7ce3, -0x7c29, -0x7b5d, -0x7a7d, -0x798a, -0x7884, -0x776c,
-0x7641, -0x7504, -0x73b5, -0x7255, -0x70e2, -0x6f5f, -0x6dca, -0x6c24,
-0x6a6d, -0x68a6, -0x66cf, -0x64e8, -0x62f2, -0x60ec, -0x5ed7, -0x5cb4,
-0x5a82, -0x5842, -0x55f5, -0x539b, -0x5133, -0x4ebf, -0x4c3f, -0x49b4,
-0x471c, -0x447a, -0x41ce, -0x3f17, -0x3c56, -0x398c, -0x36ba, -0x33de,
-0x30fb, -0x2e11, -0x2b1f, -0x2826, -0x2528, -0x2223, -0x1f19, -0x1c0b,
-0x18f8, -0x15e2, -0x12c8, -0x0fab, -0x0c8b, -0x096a, -0x0647, -0x0324
};
#ifdef DebugDSP1
static void Log_Message (const char *Message, ...)
{
char Msg[400];
va_list ap;
size_t ignore;
va_start(ap, Message);
vsprintf(Msg, Message, ap);
va_end(ap);
strcat(Msg, "\r\n\0");
ignore = fwrite(Msg, strlen(Msg), 1, LogFile);
fflush(LogFile);
}
static void Start_Log (void)
{
LogFile = fopen("dsp1emu.log", "wb");
}
static void Stop_Log (void)
{
if (LogFile)
{
fclose(LogFile);
LogFile = NULL;
}
}
#endif
static void DSP1_Op00 (void)
{
DSP1.Op00Result = DSP1.Op00Multiplicand * DSP1.Op00Multiplier >> 15;
#ifdef DebugDSP1
Log_Message("OP00 MULT %d*%d/32768=%d", DSP1.Op00Multiplicand, DSP1.Op00Multiplier, DSP1.Op00Result);
#endif
}
static void DSP1_Op20 (void)
{
DSP1.Op20Result = DSP1.Op20Multiplicand * DSP1.Op20Multiplier >> 15;
DSP1.Op20Result++;
#ifdef DebugDSP1
Log_Message("OP20 MULT %d*%d/32768=%d", DSP1.Op20Multiplicand, DSP1.Op20Multiplier, DSP1.Op20Result);
#endif
}
static void DSP1_Inverse (int16 Coefficient, int16 Exponent, int16 *iCoefficient, int16 *iExponent)
{
// Step One: Division by Zero
if (Coefficient == 0x0000)
{
*iCoefficient = 0x7fff;
*iExponent = 0x002f;
}
else
{
int16 Sign = 1;
// Step Two: Remove Sign
if (Coefficient < 0)
{
if (Coefficient < -32767)
Coefficient = -32767;
Coefficient = -Coefficient;
Sign = -1;
}
// Step Three: Normalize
while (Coefficient < 0x4000)
{
Coefficient <<= 1;
Exponent--;
}
// Step Four: Special Case
if (Coefficient == 0x4000)
{
if (Sign == 1)
*iCoefficient = 0x7fff;
else
{
*iCoefficient = -0x4000;
Exponent--;
}
}
else
{
// Step Five: Initial Guess
int16 i = DSP1ROM[((Coefficient - 0x4000) >> 7) + 0x0065];
// Step Six: Iterate "estimated" Newton's Method
i = (i + (-i * (Coefficient * i >> 15) >> 15)) << 1;
i = (i + (-i * (Coefficient * i >> 15) >> 15)) << 1;
*iCoefficient = i * Sign;
}
*iExponent = 1 - Exponent;
}
}
static void DSP1_Op10 (void)
{
DSP1_Inverse(DSP1.Op10Coefficient, DSP1.Op10Exponent, &DSP1.Op10CoefficientR, &DSP1.Op10ExponentR);
#ifdef DebugDSP1
Log_Message("OP10 INV %d*2^%d = %d*2^%d", DSP1.Op10Coefficient, DSP1.Op10Exponent, DSP1.Op10CoefficientR, DSP1.Op10ExponentR);
#endif
}
static int16 DSP1_Sin (int16 Angle)
{
int32 S;
if (Angle < 0)
{
if (Angle == -32768)
return (0);
return (-DSP1_Sin(-Angle));
}
S = DSP1_SinTable[Angle >> 8] + (DSP1_MulTable[Angle & 0xff] * DSP1_SinTable[0x40 + (Angle >> 8)] >> 15);
if (S > 32767)
S = 32767;
return ((int16) S);
}
static int16 DSP1_Cos (int16 Angle)
{
int32 S;
if (Angle < 0)
{
if (Angle == -32768)
return (-32768);
Angle = -Angle;
}
S = DSP1_SinTable[0x40 + (Angle >> 8)] - (DSP1_MulTable[Angle & 0xff] * DSP1_SinTable[Angle >> 8] >> 15);
if (S < -32768)
S = -32767;
return ((int16) S);
}
static void DSP1_Normalize (int16 m, int16 *Coefficient, int16 *Exponent)
{
int16 i = 0x4000;
int16 e = 0;
if (m < 0)
{
while ((m & i) && i)
{
i >>= 1;
e++;
}
}
else
{
while (!(m & i) && i)
{
i >>= 1;
e++;
}
}
if (e > 0)
*Coefficient = m * DSP1ROM[0x21 + e] << 1;
else
*Coefficient = m;
*Exponent -= e;
}
static void DSP1_NormalizeDouble (int32 Product, int16 *Coefficient, int16 *Exponent)
{
int16 n = Product & 0x7fff;
int16 m = Product >> 15;
int16 i = 0x4000;
int16 e = 0;
if (m < 0)
{
while ((m & i) && i)
{
i >>= 1;
e++;
}
}
else
{
while (!(m & i) && i)
{
i >>= 1;
e++;
}
}
if (e > 0)
{
*Coefficient = m * DSP1ROM[0x0021 + e] << 1;
if (e < 15)
*Coefficient += n * DSP1ROM[0x0040 - e] >> 15;
else
{
i = 0x4000;
if (m < 0)
{
while ((n & i) && i)
{
i >>= 1;
e++;
}
}
else
{
while (!(n & i) && i)
{
i >>= 1;
e++;
}
}
if (e > 15)
*Coefficient = n * DSP1ROM[0x0012 + e] << 1;
else
*Coefficient += n;
}
}
else
*Coefficient = m;
*Exponent = e;
}
static int16 DSP1_Truncate (int16 C, int16 E)
{
if (E > 0)
{
if (C > 0)
return (32767);
else
if (C < 0)
return (-32767);
}
else
{
if (E < 0)
return (C * DSP1ROM[0x0031 + E] >> 15);
}
return (C);
}
static void DSP1_Op04 (void)
{
DSP1.Op04Sin = DSP1_Sin(DSP1.Op04Angle) * DSP1.Op04Radius >> 15;
DSP1.Op04Cos = DSP1_Cos(DSP1.Op04Angle) * DSP1.Op04Radius >> 15;
}
static void DSP1_Op0C (void)
{
DSP1.Op0CX2 = (DSP1.Op0CY1 * DSP1_Sin(DSP1.Op0CA) >> 15) + (DSP1.Op0CX1 * DSP1_Cos(DSP1.Op0CA) >> 15);
DSP1.Op0CY2 = (DSP1.Op0CY1 * DSP1_Cos(DSP1.Op0CA) >> 15) - (DSP1.Op0CX1 * DSP1_Sin(DSP1.Op0CA) >> 15);
}
static void DSP1_Parameter (int16 Fx, int16 Fy, int16 Fz, int16 Lfe, int16 Les, int16 Aas, int16 Azs, int16 *Vof, int16 *Vva, int16 *Cx, int16 *Cy)
{
const int16 MaxAZS_Exp[16] =
{
0x38b4, 0x38b7, 0x38ba, 0x38be, 0x38c0, 0x38c4, 0x38c7, 0x38ca,
0x38ce, 0x38d0, 0x38d4, 0x38d7, 0x38da, 0x38dd, 0x38e0, 0x38e4
};
int16 CSec, C, E, MaxAZS, Aux;
int16 LfeNx, LfeNy, LfeNz;
int16 LesNx, LesNy, LesNz;
int16 CentreZ;
// Copy Zenith angle for clipping
int16 AZS = Azs;
// Store Sine and Cosine of Azimuth and Zenith angle
DSP1.SinAas = DSP1_Sin(Aas);
DSP1.CosAas = DSP1_Cos(Aas);
DSP1.SinAzs = DSP1_Sin(Azs);
DSP1.CosAzs = DSP1_Cos(Azs);
DSP1.Nx = DSP1.SinAzs * -DSP1.SinAas >> 15;
DSP1.Ny = DSP1.SinAzs * DSP1.CosAas >> 15;
DSP1.Nz = DSP1.CosAzs * 0x7fff >> 15;
LfeNx = Lfe * DSP1.Nx >> 15;
LfeNy = Lfe * DSP1.Ny >> 15;
LfeNz = Lfe * DSP1.Nz >> 15;
// Center of Projection
DSP1.CentreX = Fx + LfeNx;
DSP1.CentreY = Fy + LfeNy;
CentreZ = Fz + LfeNz;
LesNx = Les * DSP1.Nx >> 15;
LesNy = Les * DSP1.Ny >> 15;
LesNz = Les * DSP1.Nz >> 15;
DSP1.Gx = DSP1.CentreX - LesNx;
DSP1.Gy = DSP1.CentreY - LesNy;
DSP1.Gz = CentreZ - LesNz;
DSP1.E_Les = 0;
DSP1_Normalize(Les, &DSP1.C_Les, &DSP1.E_Les);
DSP1.G_Les = Les;
E = 0;
DSP1_Normalize(CentreZ, &C, &E);
DSP1.VPlane_C = C;
DSP1.VPlane_E = E;
// Determine clip boundary and clip Zenith angle if necessary
MaxAZS = MaxAZS_Exp[-E];
if (AZS < 0)
{
MaxAZS = -MaxAZS;
if (AZS < MaxAZS + 1)
AZS = MaxAZS + 1;
}
else
{
if (AZS > MaxAZS)
AZS = MaxAZS;
}
// Store Sine and Cosine of clipped Zenith angle
DSP1.SinAZS = DSP1_Sin(AZS);
DSP1.CosAZS = DSP1_Cos(AZS);
DSP1_Inverse(DSP1.CosAZS, 0, &DSP1.SecAZS_C1, &DSP1.SecAZS_E1);
DSP1_Normalize(C * DSP1.SecAZS_C1 >> 15, &C, &E);
E += DSP1.SecAZS_E1;
C = DSP1_Truncate(C, E) * DSP1.SinAZS >> 15;
DSP1.CentreX += C * DSP1.SinAas >> 15;
DSP1.CentreY -= C * DSP1.CosAas >> 15;
*Cx = DSP1.CentreX;
*Cy = DSP1.CentreY;
// Raster number of imaginary center and horizontal line
*Vof = 0;
if ((Azs != AZS) || (Azs == MaxAZS))
{
if (Azs == -32768)
Azs = -32767;
C = Azs - MaxAZS;
if (C >= 0)
C--;
Aux = ~(C << 2);
C = Aux * DSP1ROM[0x0328] >> 15;
C = (C * Aux >> 15) + DSP1ROM[0x0327];
*Vof -= (C * Aux >> 15) * Les >> 15;
C = Aux * Aux >> 15;
Aux = (C * DSP1ROM[0x0324] >> 15) + DSP1ROM[0x0325];
DSP1.CosAZS += (C * Aux >> 15) * DSP1.CosAZS >> 15;
}
DSP1.VOffset = Les * DSP1.CosAZS >> 15;
DSP1_Inverse(DSP1.SinAZS, 0, &CSec, &E);
DSP1_Normalize(DSP1.VOffset, &C, &E);
DSP1_Normalize(C * CSec >> 15, &C, &E);
if (C == -32768)
{
C >>= 1;
E++;
}
*Vva = DSP1_Truncate(-C, E);
// Store Secant of clipped Zenith angle
DSP1_Inverse(DSP1.CosAZS, 0, &DSP1.SecAZS_C2, &DSP1.SecAZS_E2);
}
static void DSP1_Raster (int16 Vs, int16 *An, int16 *Bn, int16 *Cn, int16 *Dn)
{
int16 C, E, C1, E1;
DSP1_Inverse((Vs * DSP1.SinAzs >> 15) + DSP1.VOffset, 7, &C, &E);
E += DSP1.VPlane_E;
C1 = C * DSP1.VPlane_C >> 15;
E1 = E + DSP1.SecAZS_E2;
DSP1_Normalize(C1, &C, &E);
C = DSP1_Truncate(C, E);
*An = C * DSP1.CosAas >> 15;
*Cn = C * DSP1.SinAas >> 15;
DSP1_Normalize(C1 * DSP1.SecAZS_C2 >> 15, &C, &E1);
C = DSP1_Truncate(C, E1);
*Bn = C * -DSP1.SinAas >> 15;
*Dn = C * DSP1.CosAas >> 15;
}
static void DSP1_Op02 (void)
{
DSP1_Parameter(DSP1.Op02FX, DSP1.Op02FY, DSP1.Op02FZ, DSP1.Op02LFE, DSP1.Op02LES, DSP1.Op02AAS, DSP1.Op02AZS, &DSP1.Op02VOF, &DSP1.Op02VVA, &DSP1.Op02CX, &DSP1.Op02CY);
}
static void DSP1_Op0A (void)
{
DSP1_Raster(DSP1.Op0AVS, &DSP1.Op0AA, &DSP1.Op0AB, &DSP1.Op0AC, &DSP1.Op0AD);
DSP1.Op0AVS++;
}
static int16 DSP1_ShiftR (int16 C, int16 E)
{
return (C * DSP1ROM[0x0031 + E] >> 15);
}
static void DSP1_Project (int16 X, int16 Y, int16 Z, int16 *H, int16 *V, int16 *M)
{
int32 aux, aux4;
int16 E, E2, E3, E4, E5, refE, E6, E7;
int16 C2, C4, C6, C8, C9, C10, C11, C12, C16, C17, C18, C19, C20, C21, C22, C23, C24, C25, C26;
int16 Px, Py, Pz;
E4 = E3 = E2 = E = E5 = 0;
DSP1_NormalizeDouble((int32) X - DSP1.Gx, &Px, &E4);
DSP1_NormalizeDouble((int32) Y - DSP1.Gy, &Py, &E );
DSP1_NormalizeDouble((int32) Z - DSP1.Gz, &Pz, &E3);
Px >>= 1; // to avoid overflows when calculating the scalar products
E4--;
Py >>= 1;
E--;
Pz >>= 1;
E3--;
refE = (E < E3) ? E : E3;
refE = (refE < E4) ? refE : E4;
Px = DSP1_ShiftR(Px, E4 - refE); // normalize them to the same exponent
Py = DSP1_ShiftR(Py, E - refE);
Pz = DSP1_ShiftR(Pz, E3 - refE);
C11 = -(Px * DSP1.Nx >> 15);
C8 = -(Py * DSP1.Ny >> 15);
C9 = -(Pz * DSP1.Nz >> 15);
C12 = C11 + C8 + C9; // this cannot overflow!
aux4 = C12; // de-normalization with 32-bits arithmetic
refE = 16 - refE; // refE can be up to 3
if (refE >= 0)
aux4 <<= (refE);
else
aux4 >>= -(refE);
if (aux4 == -1)
aux4 = 0; // why?
aux4 >>= 1;
aux = ((uint16) DSP1.G_Les) + aux4; // Les - the scalar product of P with the normal vector of the screen
DSP1_NormalizeDouble(aux, &C10, &E2);
E2 = 15 - E2;
DSP1_Inverse(C10, 0, &C4, &E4);
C2 = C4 * DSP1.C_Les >> 15; // scale factor
// H
E7 = 0;
C16 = Px * ( DSP1.CosAas * 0x7fff >> 15) >> 15;
C20 = Py * ( DSP1.SinAas * 0x7fff >> 15) >> 15;
C17 = C16 + C20; // scalar product of P with the normalized horizontal vector of the screen...
C18 = C17 * C2 >> 15; // ... multiplied by the scale factor
DSP1_Normalize(C18, &C19, &E7);
*H = DSP1_Truncate(C19, DSP1.E_Les - E2 + refE + E7);
// V
E6 = 0;
C21 = Px * ( DSP1.CosAzs * -DSP1.SinAas >> 15) >> 15;
C22 = Py * ( DSP1.CosAzs * DSP1.CosAas >> 15) >> 15;
C23 = Pz * (-DSP1.SinAzs * 0x7fff >> 15) >> 15;
C24 = C21 + C22 + C23; // scalar product of P with the normalized vertical vector of the screen...
C26 = C24 * C2 >> 15; // ... multiplied by the scale factor
DSP1_Normalize(C26, &C25, &E6);
*V = DSP1_Truncate(C25, DSP1.E_Les - E2 + refE + E6);
// M
DSP1_Normalize(C2, &C6, &E4);
*M = DSP1_Truncate(C6, E4 + DSP1.E_Les - E2 - 7); // M is the scale factor divided by 2^7
}
static void DSP1_Op06 (void)
{
DSP1_Project(DSP1.Op06X, DSP1.Op06Y, DSP1.Op06Z, &DSP1.Op06H, &DSP1.Op06V, &DSP1.Op06M);
}
static void DSP1_Op01 (void)
{
int16 SinAz = DSP1_Sin(DSP1.Op01Zr);
int16 CosAz = DSP1_Cos(DSP1.Op01Zr);
int16 SinAy = DSP1_Sin(DSP1.Op01Yr);
int16 CosAy = DSP1_Cos(DSP1.Op01Yr);
int16 SinAx = DSP1_Sin(DSP1.Op01Xr);
int16 CosAx = DSP1_Cos(DSP1.Op01Xr);
DSP1.Op01m >>= 1;
DSP1.matrixA[0][0] = (DSP1.Op01m * CosAz >> 15) * CosAy >> 15;
DSP1.matrixA[0][1] = -((DSP1.Op01m * SinAz >> 15) * CosAy >> 15);
DSP1.matrixA[0][2] = DSP1.Op01m * SinAy >> 15;
DSP1.matrixA[1][0] = ((DSP1.Op01m * SinAz >> 15) * CosAx >> 15) + (((DSP1.Op01m * CosAz >> 15) * SinAx >> 15) * SinAy >> 15);
DSP1.matrixA[1][1] = ((DSP1.Op01m * CosAz >> 15) * CosAx >> 15) - (((DSP1.Op01m * SinAz >> 15) * SinAx >> 15) * SinAy >> 15);
DSP1.matrixA[1][2] = -((DSP1.Op01m * SinAx >> 15) * CosAy >> 15);
DSP1.matrixA[2][0] = ((DSP1.Op01m * SinAz >> 15) * SinAx >> 15) - (((DSP1.Op01m * CosAz >> 15) * CosAx >> 15) * SinAy >> 15);
DSP1.matrixA[2][1] = ((DSP1.Op01m * CosAz >> 15) * SinAx >> 15) + (((DSP1.Op01m * SinAz >> 15) * CosAx >> 15) * SinAy >> 15);
DSP1.matrixA[2][2] = (DSP1.Op01m * CosAx >> 15) * CosAy >> 15;
}
static void DSP1_Op11 (void)
{
int16 SinAz = DSP1_Sin(DSP1.Op11Zr);
int16 CosAz = DSP1_Cos(DSP1.Op11Zr);
int16 SinAy = DSP1_Sin(DSP1.Op11Yr);
int16 CosAy = DSP1_Cos(DSP1.Op11Yr);
int16 SinAx = DSP1_Sin(DSP1.Op11Xr);
int16 CosAx = DSP1_Cos(DSP1.Op11Xr);
DSP1.Op11m >>= 1;
DSP1.matrixB[0][0] = (DSP1.Op11m * CosAz >> 15) * CosAy >> 15;
DSP1.matrixB[0][1] = -((DSP1.Op11m * SinAz >> 15) * CosAy >> 15);
DSP1.matrixB[0][2] = DSP1.Op11m * SinAy >> 15;
DSP1.matrixB[1][0] = ((DSP1.Op11m * SinAz >> 15) * CosAx >> 15) + (((DSP1.Op11m * CosAz >> 15) * SinAx >> 15) * SinAy >> 15);
DSP1.matrixB[1][1] = ((DSP1.Op11m * CosAz >> 15) * CosAx >> 15) - (((DSP1.Op11m * SinAz >> 15) * SinAx >> 15) * SinAy >> 15);
DSP1.matrixB[1][2] = -((DSP1.Op11m * SinAx >> 15) * CosAy >> 15);
DSP1.matrixB[2][0] = ((DSP1.Op11m * SinAz >> 15) * SinAx >> 15) - (((DSP1.Op11m * CosAz >> 15) * CosAx >> 15) * SinAy >> 15);
DSP1.matrixB[2][1] = ((DSP1.Op11m * CosAz >> 15) * SinAx >> 15) + (((DSP1.Op11m * SinAz >> 15) * CosAx >> 15) * SinAy >> 15);
DSP1.matrixB[2][2] = (DSP1.Op11m * CosAx >> 15) * CosAy >> 15;
}
static void DSP1_Op21 (void)
{
int16 SinAz = DSP1_Sin(DSP1.Op21Zr);
int16 CosAz = DSP1_Cos(DSP1.Op21Zr);
int16 SinAy = DSP1_Sin(DSP1.Op21Yr);
int16 CosAy = DSP1_Cos(DSP1.Op21Yr);
int16 SinAx = DSP1_Sin(DSP1.Op21Xr);
int16 CosAx = DSP1_Cos(DSP1.Op21Xr);
DSP1.Op21m >>= 1;
DSP1.matrixC[0][0] = (DSP1.Op21m * CosAz >> 15) * CosAy >> 15;
DSP1.matrixC[0][1] = -((DSP1.Op21m * SinAz >> 15) * CosAy >> 15);
DSP1.matrixC[0][2] = DSP1.Op21m * SinAy >> 15;
DSP1.matrixC[1][0] = ((DSP1.Op21m * SinAz >> 15) * CosAx >> 15) + (((DSP1.Op21m * CosAz >> 15) * SinAx >> 15) * SinAy >> 15);
DSP1.matrixC[1][1] = ((DSP1.Op21m * CosAz >> 15) * CosAx >> 15) - (((DSP1.Op21m * SinAz >> 15) * SinAx >> 15) * SinAy >> 15);
DSP1.matrixC[1][2] = -((DSP1.Op21m * SinAx >> 15) * CosAy >> 15);
DSP1.matrixC[2][0] = ((DSP1.Op21m * SinAz >> 15) * SinAx >> 15) - (((DSP1.Op21m * CosAz >> 15) * CosAx >> 15) * SinAy >> 15);
DSP1.matrixC[2][1] = ((DSP1.Op21m * CosAz >> 15) * SinAx >> 15) + (((DSP1.Op21m * SinAz >> 15) * CosAx >> 15) * SinAy >> 15);
DSP1.matrixC[2][2] = (DSP1.Op21m * CosAx >> 15) * CosAy >> 15;
}
static void DSP1_Op0D (void)
{
DSP1.Op0DF = (DSP1.Op0DX * DSP1.matrixA[0][0] >> 15) + (DSP1.Op0DY * DSP1.matrixA[0][1] >> 15) + (DSP1.Op0DZ * DSP1.matrixA[0][2] >> 15);
DSP1.Op0DL = (DSP1.Op0DX * DSP1.matrixA[1][0] >> 15) + (DSP1.Op0DY * DSP1.matrixA[1][1] >> 15) + (DSP1.Op0DZ * DSP1.matrixA[1][2] >> 15);
DSP1.Op0DU = (DSP1.Op0DX * DSP1.matrixA[2][0] >> 15) + (DSP1.Op0DY * DSP1.matrixA[2][1] >> 15) + (DSP1.Op0DZ * DSP1.matrixA[2][2] >> 15);
#ifdef DebugDSP1
Log_Message("OP0D X: %d Y: %d Z: %d / F: %d L: %d U: %d", DSP1.Op0DX, DSP1.Op0DY, DSP1.Op0DZ, DSP1.Op0DF, DSP1.Op0DL, DSP1.Op0DU);
#endif
}
static void DSP1_Op1D (void)
{
DSP1.Op1DF = (DSP1.Op1DX * DSP1.matrixB[0][0] >> 15) + (DSP1.Op1DY * DSP1.matrixB[0][1] >> 15) + (DSP1.Op1DZ * DSP1.matrixB[0][2] >> 15);
DSP1.Op1DL = (DSP1.Op1DX * DSP1.matrixB[1][0] >> 15) + (DSP1.Op1DY * DSP1.matrixB[1][1] >> 15) + (DSP1.Op1DZ * DSP1.matrixB[1][2] >> 15);
DSP1.Op1DU = (DSP1.Op1DX * DSP1.matrixB[2][0] >> 15) + (DSP1.Op1DY * DSP1.matrixB[2][1] >> 15) + (DSP1.Op1DZ * DSP1.matrixB[2][2] >> 15);
#ifdef DebugDSP1
Log_Message("OP1D X: %d Y: %d Z: %d / F: %d L: %d U: %d", DSP1.Op1DX, DSP1.Op1DY, DSP1.Op1DZ, DSP1.Op1DF, DSP1.Op1DL, DSP1.Op1DU);
#endif
}
static void DSP1_Op2D (void)
{
DSP1.Op2DF = (DSP1.Op2DX * DSP1.matrixC[0][0] >> 15) + (DSP1.Op2DY * DSP1.matrixC[0][1] >> 15) + (DSP1.Op2DZ * DSP1.matrixC[0][2] >> 15);
DSP1.Op2DL = (DSP1.Op2DX * DSP1.matrixC[1][0] >> 15) + (DSP1.Op2DY * DSP1.matrixC[1][1] >> 15) + (DSP1.Op2DZ * DSP1.matrixC[1][2] >> 15);
DSP1.Op2DU = (DSP1.Op2DX * DSP1.matrixC[2][0] >> 15) + (DSP1.Op2DY * DSP1.matrixC[2][1] >> 15) + (DSP1.Op2DZ * DSP1.matrixC[2][2] >> 15);
#ifdef DebugDSP1
Log_Message("OP2D X: %d Y: %d Z: %d / F: %d L: %d U: %d", DSP1.Op2DX, DSP1.Op2DY, DSP1.Op2DZ, DSP1.Op2DF, DSP1.Op2DL, DSP1.Op2DU);
#endif
}
static void DSP1_Op03 (void)
{
DSP1.Op03X = (DSP1.Op03F * DSP1.matrixA[0][0] >> 15) + (DSP1.Op03L * DSP1.matrixA[1][0] >> 15) + (DSP1.Op03U * DSP1.matrixA[2][0] >> 15);
DSP1.Op03Y = (DSP1.Op03F * DSP1.matrixA[0][1] >> 15) + (DSP1.Op03L * DSP1.matrixA[1][1] >> 15) + (DSP1.Op03U * DSP1.matrixA[2][1] >> 15);
DSP1.Op03Z = (DSP1.Op03F * DSP1.matrixA[0][2] >> 15) + (DSP1.Op03L * DSP1.matrixA[1][2] >> 15) + (DSP1.Op03U * DSP1.matrixA[2][2] >> 15);
#ifdef DebugDSP1
Log_Message("OP03 F: %d L: %d U: %d / X: %d Y: %d Z: %d", DSP1.Op03F, DSP1.Op03L, DSP1.Op03U, DSP1.Op03X, DSP1.Op03Y, DSP1.Op03Z);
#endif
}
static void DSP1_Op13 (void)
{
DSP1.Op13X = (DSP1.Op13F * DSP1.matrixB[0][0] >> 15) + (DSP1.Op13L * DSP1.matrixB[1][0] >> 15) + (DSP1.Op13U * DSP1.matrixB[2][0] >> 15);
DSP1.Op13Y = (DSP1.Op13F * DSP1.matrixB[0][1] >> 15) + (DSP1.Op13L * DSP1.matrixB[1][1] >> 15) + (DSP1.Op13U * DSP1.matrixB[2][1] >> 15);
DSP1.Op13Z = (DSP1.Op13F * DSP1.matrixB[0][2] >> 15) + (DSP1.Op13L * DSP1.matrixB[1][2] >> 15) + (DSP1.Op13U * DSP1.matrixB[2][2] >> 15);
#ifdef DebugDSP1
Log_Message("OP13 F: %d L: %d U: %d / X: %d Y: %d Z: %d", DSP1.Op13F, DSP1.Op13L, DSP1.Op13U, DSP1.Op13X, DSP1.Op13Y, DSP1.Op13Z);
#endif
}
static void DSP1_Op23 (void)
{
DSP1.Op23X = (DSP1.Op23F * DSP1.matrixC[0][0] >> 15) + (DSP1.Op23L * DSP1.matrixC[1][0] >> 15) + (DSP1.Op23U * DSP1.matrixC[2][0] >> 15);
DSP1.Op23Y = (DSP1.Op23F * DSP1.matrixC[0][1] >> 15) + (DSP1.Op23L * DSP1.matrixC[1][1] >> 15) + (DSP1.Op23U * DSP1.matrixC[2][1] >> 15);
DSP1.Op23Z = (DSP1.Op23F * DSP1.matrixC[0][2] >> 15) + (DSP1.Op23L * DSP1.matrixC[1][2] >> 15) + (DSP1.Op23U * DSP1.matrixC[2][2] >> 15);
#ifdef DebugDSP1
Log_Message("OP23 F: %d L: %d U: %d / X: %d Y: %d Z: %d", DSP1.Op23F, DSP1.Op23L, DSP1.Op23U, DSP1.Op23X, DSP1.Op23Y, DSP1.Op23Z);
#endif
}
static void DSP1_Op14 (void)
{
int16 CSec, ESec, CTan, CSin, C, E;
DSP1_Inverse(DSP1_Cos(DSP1.Op14Xr), 0, &CSec, &ESec);
// Rotation Around Z
DSP1_NormalizeDouble(DSP1.Op14U * DSP1_Cos(DSP1.Op14Yr) - DSP1.Op14F * DSP1_Sin(DSP1.Op14Yr), &C, &E);
E = ESec - E;
DSP1_Normalize(C * CSec >> 15, &C, &E);
DSP1.Op14Zrr = DSP1.Op14Zr + DSP1_Truncate(C, E);
// Rotation Around X
DSP1.Op14Xrr = DSP1.Op14Xr + (DSP1.Op14U * DSP1_Sin(DSP1.Op14Yr) >> 15) + (DSP1.Op14F * DSP1_Cos(DSP1.Op14Yr) >> 15);
// Rotation Around Y
DSP1_NormalizeDouble(DSP1.Op14U * DSP1_Cos(DSP1.Op14Yr) + DSP1.Op14F * DSP1_Sin(DSP1.Op14Yr), &C, &E);
E = ESec - E;
DSP1_Normalize(DSP1_Sin(DSP1.Op14Xr), &CSin, &E);
CTan = CSec * CSin >> 15;
DSP1_Normalize(-(C * CTan >> 15), &C, &E);
DSP1.Op14Yrr = DSP1.Op14Yr + DSP1_Truncate(C, E) + DSP1.Op14L;
}
static void DSP1_Target (int16 H, int16 V, int16 *X, int16 *Y)
{
int16 C, E, C1, E1;
DSP1_Inverse((V * DSP1.SinAzs >> 15) + DSP1.VOffset, 8, &C, &E);
E += DSP1.VPlane_E;
C1 = C * DSP1.VPlane_C >> 15;
E1 = E + DSP1.SecAZS_E1;
H <<= 8;
DSP1_Normalize(C1, &C, &E);
C = DSP1_Truncate(C, E) * H >> 15;
*X = DSP1.CentreX + (C * DSP1.CosAas >> 15);
*Y = DSP1.CentreY - (C * DSP1.SinAas >> 15);
V <<= 8;
DSP1_Normalize(C1 * DSP1.SecAZS_C1 >> 15, &C, &E1);
C = DSP1_Truncate(C, E1) * V >> 15;
*X += C * -DSP1.SinAas >> 15;
*Y += C * DSP1.CosAas >> 15;
}
static void DSP1_Op0E (void)
{
DSP1_Target(DSP1.Op0EH, DSP1.Op0EV, &DSP1.Op0EX, &DSP1.Op0EY);
}
static void DSP1_Op0B (void)
{
DSP1.Op0BS = (DSP1.Op0BX * DSP1.matrixA[0][0] + DSP1.Op0BY * DSP1.matrixA[0][1] + DSP1.Op0BZ * DSP1.matrixA[0][2]) >> 15;
#ifdef DebugDSP1
Log_Message("OP0B");
#endif
}
static void DSP1_Op1B (void)
{
DSP1.Op1BS = (DSP1.Op1BX * DSP1.matrixB[0][0] + DSP1.Op1BY * DSP1.matrixB[0][1] + DSP1.Op1BZ * DSP1.matrixB[0][2]) >> 15;
#ifdef DebugDSP1
Log_Message("OP1B X: %d Y: %d Z: %d S: %d", DSP1.Op1BX, DSP1.Op1BY, DSP1.Op1BZ, DSP1.Op1BS);
Log_Message(" MX: %d MY: %d MZ: %d Scale: %d", (int16) (DSP1.matrixB[0][0] * 100), (int16) (DSP1.matrixB[0][1] * 100), (int16) (DSP1.matrixB[0][2] * 100), (int16) (DSP1.Op1BS * 100));
#endif
}
static void DSP1_Op2B (void)
{
DSP1.Op2BS = (DSP1.Op2BX * DSP1.matrixC[0][0] + DSP1.Op2BY * DSP1.matrixC[0][1] + DSP1.Op2BZ * DSP1.matrixC[0][2]) >> 15;
#ifdef DebugDSP1
Log_Message("OP2B");
#endif
}
static void DSP1_Op08 (void)
{