diff options
author | gameblabla | 2019-10-05 03:04:57 +0200 |
---|---|---|
committer | gameblabla | 2019-10-05 03:04:57 +0200 |
commit | d4753076e89d42cdad4a4f1ca4688fad3c56d873 (patch) | |
tree | c8641cf282f427d9329db00325e16609acca8663 /source/dsp1emu.h | |
parent | 943821f94b9b2e22315fce876c2e369da7a79bcf (diff) | |
download | snesemu-d4753076e89d42cdad4a4f1ca4688fad3c56d873.tar.gz snesemu-d4753076e89d42cdad4a4f1ca4688fad3c56d873.tar.bz2 snesemu-d4753076e89d42cdad4a4f1ca4688fad3c56d873.zip |
Port the libretro core and make it standalone.
TODO :
- Input should use our config file instead.
- Missing audio in some games. (Star Ocean, doesn't happen with stock retroarch code. Odd...)
Diffstat (limited to 'source/dsp1emu.h')
-rw-r--r-- | source/dsp1emu.h | 1127 |
1 files changed, 1127 insertions, 0 deletions
diff --git a/source/dsp1emu.h b/source/dsp1emu.h new file mode 100644 index 0000000..e7c3f7d --- /dev/null +++ b/source/dsp1emu.h @@ -0,0 +1,1127 @@ +#include "../copyright" + +#include <stdio.h> +#include <stdarg.h> +#include <math.h> +#include <string.h> +#include <stdlib.h> + +const uint16_t 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 +}; + +/***************************************************************************\ +* DSP1 code * +\***************************************************************************/ + +int16_t Op00Multiplicand; +int16_t Op00Multiplier; +int16_t Op00Result; + +void DSPOp00(void) +{ + Op00Result = Op00Multiplicand * Op00Multiplier >> 15; +} + +int16_t Op20Multiplicand; +int16_t Op20Multiplier; +int16_t Op20Result; + +void DSPOp20(void) +{ + Op20Result = Op20Multiplicand * Op20Multiplier >> 15; + Op20Result++; +} + +int16_t Op10Coefficient; +int16_t Op10Exponent; +int16_t Op10CoefficientR; +int16_t Op10ExponentR; + +void DSP1_Inverse(int16_t Coefficient, int16_t Exponent, int16_t* iCoefficient, int16_t* iExponent) +{ + /* Step One: Division by Zero */ + if (Coefficient == 0x0000) + { + *iCoefficient = 0x7fff; + *iExponent = 0x002f; + } + else + { + int16_t 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_t 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; + } +} + +void DSPOp10(void) +{ + DSP1_Inverse(Op10Coefficient, Op10Exponent, &Op10CoefficientR, &Op10ExponentR); +} + +int16_t Op04Angle; +int16_t Op04Radius; +int16_t Op04Sin; +int16_t Op04Cos; + +const int16_t 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 +}; + +const int16_t 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 +}; + +int16_t DSP1_Sin(int16_t Angle) +{ + int32_t 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_t) S; +} + +int16_t DSP1_Cos(int16_t Angle) +{ + int32_t 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_t) S; +} + +void DSP1_Normalize(int16_t m, int16_t* Coefficient, int16_t* Exponent) +{ + int16_t i = 0x4000; + int16_t 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; +} + +void DSP1_NormalizeDouble(int32_t Product, int16_t* Coefficient, int16_t* Exponent) +{ + int16_t n = Product & 0x7fff; + int16_t m = Product >> 15; + int16_t i = 0x4000; + int16_t 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; +} + +int16_t DSP1_Truncate(int16_t C, int16_t 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; +} + +void DSPOp04(void) +{ + Op04Sin = DSP1_Sin(Op04Angle) * Op04Radius >> 15; + Op04Cos = DSP1_Cos(Op04Angle) * Op04Radius >> 15; +} + +int16_t Op0CA; +int16_t Op0CX1; +int16_t Op0CY1; +int16_t Op0CX2; +int16_t Op0CY2; + +void DSPOp0C(void) +{ + Op0CX2 = (Op0CY1 * DSP1_Sin(Op0CA) >> 15) + (Op0CX1 * DSP1_Cos(Op0CA) >> 15); + Op0CY2 = (Op0CY1 * DSP1_Cos(Op0CA) >> 15) - (Op0CX1 * DSP1_Sin(Op0CA) >> 15); +} + +int16_t CentreX; +int16_t CentreY; +int16_t VOffset; + +int16_t VPlane_C; +int16_t VPlane_E; + +/* Azimuth and Zenith angles */ +int16_t SinAas; +int16_t CosAas; +int16_t SinAzs; +int16_t CosAzs; + +/* Clipped Zenith angle */ +int16_t SinAZS; +int16_t CosAZS; +int16_t SecAZS_C1; +int16_t SecAZS_E1; +int16_t SecAZS_C2; +int16_t SecAZS_E2; + +int16_t Nx, Ny, Nz; +int16_t Gx, Gy, Gz; +int16_t C_Les, E_Les, G_Les; + +const int16_t MaxAZS_Exp[16] = +{ + 0x38b4, 0x38b7, 0x38ba, 0x38be, 0x38c0, 0x38c4, 0x38c7, 0x38ca, + 0x38ce, 0x38d0, 0x38d4, 0x38d7, 0x38da, 0x38dd, 0x38e0, 0x38e4 +}; + +void DSP1_Parameter(int16_t Fx, int16_t Fy, int16_t Fz, int16_t Lfe, int16_t Les, int16_t Aas, int16_t Azs, int16_t* Vof, int16_t* Vva, int16_t* Cx, int16_t* Cy) +{ + int16_t CSec, C, E, MaxAZS, Aux; + int16_t LfeNx, LfeNy, LfeNz; + int16_t LesNx, LesNy, LesNz; + int16_t CentreZ; + + /* Copy Zenith angle for clipping */ + int16_t AZS = Azs; + + /* Store Sine and Cosine of Azimuth and Zenith angle */ + SinAas = DSP1_Sin(Aas); + CosAas = DSP1_Cos(Aas); + SinAzs = DSP1_Sin(Azs); + CosAzs = DSP1_Cos(Azs); + + Nx = SinAzs * -SinAas >> 15; + Ny = SinAzs * CosAas >> 15; + Nz = CosAzs * 0x7fff >> 15; + + LfeNx = Lfe * Nx >> 15; + LfeNy = Lfe * Ny >> 15; + LfeNz = Lfe * Nz >> 15; + + /* Center of Projection */ + CentreX = Fx + LfeNx; + CentreY = Fy + LfeNy; + CentreZ = Fz + LfeNz; + + LesNx = Les * Nx >> 15; + LesNy = Les * Ny >> 15; + LesNz = Les * Nz >> 15; + + Gx = CentreX - LesNx; + Gy = CentreY - LesNy; + Gz = CentreZ - LesNz; + + E_Les=0; + DSP1_Normalize(Les, &C_Les, &E_Les); + G_Les = Les; + + E = 0; + DSP1_Normalize(CentreZ, &C, &E); + + VPlane_C = C; + 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 */ + SinAZS = DSP1_Sin(AZS); + CosAZS = DSP1_Cos(AZS); + + DSP1_Inverse(CosAZS, 0, &SecAZS_C1, &SecAZS_E1); + DSP1_Normalize(C * SecAZS_C1 >> 15, &C, &E); + E += SecAZS_E1; + + C = DSP1_Truncate(C, E) * SinAZS >> 15; + + CentreX += C * SinAas >> 15; + CentreY -= C * CosAas >> 15; + + *Cx = CentreX; + *Cy = 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]; + CosAZS += (C * Aux >> 15) * CosAZS >> 15; + } + + VOffset = Les * CosAZS >> 15; + + DSP1_Inverse(SinAZS, 0, &CSec, &E); + DSP1_Normalize(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(CosAZS, 0, &SecAZS_C2, &SecAZS_E2); +} + +void DSP1_Raster(int16_t Vs, int16_t* An, int16_t* Bn, int16_t* Cn, int16_t* Dn) +{ + int16_t C, E, C1, E1; + + DSP1_Inverse((Vs * SinAzs >> 15) + VOffset, 7, &C, &E); + E += VPlane_E; + + C1 = C * VPlane_C >> 15; + E1 = E + SecAZS_E2; + + DSP1_Normalize(C1, &C, &E); + + C = DSP1_Truncate(C, E); + + *An = C * CosAas >> 15; + *Cn = C * SinAas >> 15; + + DSP1_Normalize(C1 * SecAZS_C2 >> 15, &C, &E1); + + C = DSP1_Truncate(C, E1); + + *Bn = C * -SinAas >> 15; + *Dn = C * CosAas >> 15; +} + +int16_t Op02FX; +int16_t Op02FY; +int16_t Op02FZ; +int16_t Op02LFE; +int16_t Op02LES; +int16_t Op02AAS; +int16_t Op02AZS; +int16_t Op02VOF; +int16_t Op02VVA; +int16_t Op02CX; +int16_t Op02CY; + +void DSPOp02(void) +{ + DSP1_Parameter(Op02FX, Op02FY, Op02FZ, Op02LFE, Op02LES, Op02AAS, Op02AZS, &Op02VOF, &Op02VVA, &Op02CX, &Op02CY); +} + +int16_t Op0AVS; +int16_t Op0AA; +int16_t Op0AB; +int16_t Op0AC; +int16_t Op0AD; + +void DSPOp0A(void) +{ + DSP1_Raster(Op0AVS, &Op0AA, &Op0AB, &Op0AC, &Op0AD); + Op0AVS++; +} + +int16_t DSP1_ShiftR(int16_t C, int16_t E) +{ + return C * DSP1ROM[0x0031 + E] >> 15; +} + +void DSP1_Project(int16_t X, int16_t Y, int16_t Z, int16_t *H, int16_t *V, int16_t *M) +{ + int32_t aux, aux4; + int16_t E, E2, E3, E4, E5, refE, E6, E7; + int16_t C2, C4, C6, C8, C9, C10, C11, C12, C16, C17, C18, C19, C20, C21, C22, C23, C24, C25, C26; + int16_t Px, Py, Pz; + + E4 = E3 = E2 = E = E5 = 0; + + DSP1_NormalizeDouble((int32_t) X - Gx, &Px, &E4); + DSP1_NormalizeDouble((int32_t) Y - Gy, &Py, &E); + DSP1_NormalizeDouble((int32_t) Z - Gz, &Pz, &E3); + Px>>=1; + E4--; /* to avoid overflows when calculating the scalar products */ + Py>>=1; + E--; + Pz>>=1; + E3--; + + refE = MIN(E, E3); + refE = MIN(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 * Nx >> 15); + C8 = -(Py * Ny >> 15); + C9 = -(Pz * Nz >> 15); + C12 = C11 + C8 + C9; /* this cannot overflow! */ + + aux4 = C12; /* de-normalization with 32-bit 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 = ((int16_t) 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 * C_Les >> 15; /* scale factor */ + + /* H */ + E7 = 0; + C16 = (Px * (CosAas * 0x7fff >> 15) >> 15); + C20 = (Py * (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, E_Les - E2 + refE + E7); + + /* V */ + E6 = 0; + C21 = Px * (CosAzs * -SinAas >> 15) >> 15; + C22 = Py * (CosAzs * CosAas >> 15) >> 15; + C23 = Pz * (-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, E_Les - E2 + refE + E6); + + /* M */ + DSP1_Normalize(C2, &C6, &E4); + *M = DSP1_Truncate(C6, E4 + E_Les - E2 - 7); /* M is the scale factor divided by 2^7 */ +} + +int16_t Op06X; +int16_t Op06Y; +int16_t Op06Z; +int16_t Op06H; +int16_t Op06V; +int16_t Op06M; + +void DSPOp06(void) +{ + DSP1_Project(Op06X, Op06Y, Op06Z, &Op06H, &Op06V, &Op06M); +} + +int16_t matrixC[3][3]; +int16_t matrixB[3][3]; +int16_t matrixA[3][3]; + +int16_t Op01m; +int16_t Op01Zr; +int16_t Op01Xr; +int16_t Op01Yr; +int16_t Op11m; +int16_t Op11Zr; +int16_t Op11Xr; +int16_t Op11Yr; +int16_t Op21m; +int16_t Op21Zr; +int16_t Op21Xr; +int16_t Op21Yr; + +void DSPOp01(void) +{ + int16_t SinAz = DSP1_Sin(Op01Zr); + int16_t CosAz = DSP1_Cos(Op01Zr); + int16_t SinAy = DSP1_Sin(Op01Yr); + int16_t CosAy = DSP1_Cos(Op01Yr); + int16_t SinAx = DSP1_Sin(Op01Xr); + int16_t CosAx = DSP1_Cos(Op01Xr); + + Op01m >>= 1; + + matrixA[0][0] = (Op01m * CosAz >> 15) * CosAy >> 15; + matrixA[0][1] = -((Op01m * SinAz >> 15) * CosAy >> 15); + matrixA[0][2] = Op01m * SinAy >> 15; + + matrixA[1][0] = ((Op01m * SinAz >> 15) * CosAx >> 15) + (((Op01m * CosAz >> 15) * SinAx >> 15) * SinAy >> 15); + matrixA[1][1] = ((Op01m * CosAz >> 15) * CosAx >> 15) - (((Op01m * SinAz >> 15) * SinAx >> 15) * SinAy >> 15); + matrixA[1][2] = -((Op01m * SinAx >> 15) * CosAy >> 15); + + matrixA[2][0] = ((Op01m * SinAz >> 15) * SinAx >> 15) - (((Op01m * CosAz >> 15) * CosAx >> 15) * SinAy >> 15); + matrixA[2][1] = ((Op01m * CosAz >> 15) * SinAx >> 15) + (((Op01m * SinAz >> 15) * CosAx >> 15) * SinAy >> 15); + matrixA[2][2] = (Op01m * CosAx >> 15) * CosAy >> 15; +} + +void DSPOp11(void) +{ + int16_t SinAz = DSP1_Sin(Op11Zr); + int16_t CosAz = DSP1_Cos(Op11Zr); + int16_t SinAy = DSP1_Sin(Op11Yr); + int16_t CosAy = DSP1_Cos(Op11Yr); + int16_t SinAx = DSP1_Sin(Op11Xr); + int16_t CosAx = DSP1_Cos(Op11Xr); + + Op11m >>= 1; + + matrixB[0][0] = (Op11m * CosAz >> 15) * CosAy >> 15; + matrixB[0][1] = -((Op11m * SinAz >> 15) * CosAy >> 15); + matrixB[0][2] = Op11m * SinAy >> 15; + + matrixB[1][0] = ((Op11m * SinAz >> 15) * CosAx >> 15) + (((Op11m * CosAz >> 15) * SinAx >> 15) * SinAy >> 15); + matrixB[1][1] = ((Op11m * CosAz >> 15) * CosAx >> 15) - (((Op11m * SinAz >> 15) * SinAx >> 15) * SinAy >> 15); + matrixB[1][2] = -((Op11m * SinAx >> 15) * CosAy >> 15); + + matrixB[2][0] = ((Op11m * SinAz >> 15) * SinAx >> 15) - (((Op11m * CosAz >> 15) * CosAx >> 15) * SinAy >> 15); + matrixB[2][1] = ((Op11m * CosAz >> 15) * SinAx >> 15) + (((Op11m * SinAz >> 15) * CosAx >> 15) * SinAy >> 15); + matrixB[2][2] = (Op11m * CosAx >> 15) * CosAy >> 15; +} + +void DSPOp21(void) +{ + int16_t SinAz = DSP1_Sin(Op21Zr); + int16_t CosAz = DSP1_Cos(Op21Zr); + int16_t SinAy = DSP1_Sin(Op21Yr); + int16_t CosAy = DSP1_Cos(Op21Yr); + int16_t SinAx = DSP1_Sin(Op21Xr); + int16_t CosAx = DSP1_Cos(Op21Xr); + + Op21m >>= 1; + + matrixC[0][0] = (Op21m * CosAz >> 15) * CosAy >> 15; + matrixC[0][1] = -((Op21m * SinAz >> 15) * CosAy >> 15); + matrixC[0][2] = Op21m * SinAy >> 15; + + matrixC[1][0] = ((Op21m * SinAz >> 15) * CosAx >> 15) + (((Op21m * CosAz >> 15) * SinAx >> 15) * SinAy >> 15); + matrixC[1][1] = ((Op21m * CosAz >> 15) * CosAx >> 15) - (((Op21m * SinAz >> 15) * SinAx >> 15) * SinAy >> 15); + matrixC[1][2] = -((Op21m * SinAx >> 15) * CosAy >> 15); + + matrixC[2][0] = ((Op21m * SinAz >> 15) * SinAx >> 15) - (((Op21m * CosAz >> 15) * CosAx >> 15) * SinAy >> 15); + matrixC[2][1] = ((Op21m * CosAz >> 15) * SinAx >> 15) + (((Op21m * SinAz >> 15) * CosAx >> 15) * SinAy >> 15); + matrixC[2][2] = (Op21m * CosAx >> 15) * CosAy >> 15; +} + +int16_t Op0DX; +int16_t Op0DY; +int16_t Op0DZ; +int16_t Op0DF; +int16_t Op0DL; +int16_t Op0DU; +int16_t Op1DX; +int16_t Op1DY; +int16_t Op1DZ; +int16_t Op1DF; +int16_t Op1DL; +int16_t Op1DU; +int16_t Op2DX; +int16_t Op2DY; +int16_t Op2DZ; +int16_t Op2DF; +int16_t Op2DL; +int16_t Op2DU; + +void DSPOp0D(void) +{ + Op0DF = (Op0DX * matrixA[0][0] >> 15) + (Op0DY * matrixA[0][1] >> 15) + (Op0DZ * matrixA[0][2] >> 15); + Op0DL = (Op0DX * matrixA[1][0] >> 15) + (Op0DY * matrixA[1][1] >> 15) + (Op0DZ * matrixA[1][2] >> 15); + Op0DU = (Op0DX * matrixA[2][0] >> 15) + (Op0DY * matrixA[2][1] >> 15) + (Op0DZ * matrixA[2][2] >> 15); +} + +void DSPOp1D(void) +{ + Op1DF = (Op1DX * matrixB[0][0] >> 15) + (Op1DY * matrixB[0][1] >> 15) + (Op1DZ * matrixB[0][2] >> 15); + Op1DL = (Op1DX * matrixB[1][0] >> 15) + (Op1DY * matrixB[1][1] >> 15) + (Op1DZ * matrixB[1][2] >> 15); + Op1DU = (Op1DX * matrixB[2][0] >> 15) + (Op1DY * matrixB[2][1] >> 15) + (Op1DZ * matrixB[2][2] >> 15); +} + +void DSPOp2D(void) +{ + Op2DF = (Op2DX * matrixC[0][0] >> 15) + (Op2DY * matrixC[0][1] >> 15) + (Op2DZ * matrixC[0][2] >> 15); + Op2DL = (Op2DX * matrixC[1][0] >> 15) + (Op2DY * matrixC[1][1] >> 15) + (Op2DZ * matrixC[1][2] >> 15); + Op2DU = (Op2DX * matrixC[2][0] >> 15) + (Op2DY * matrixC[2][1] >> 15) + (Op2DZ * matrixC[2][2] >> 15); +} + +int16_t Op03F; +int16_t Op03L; +int16_t Op03U; +int16_t Op03X; +int16_t Op03Y; +int16_t Op03Z; +int16_t Op13F; +int16_t Op13L; +int16_t Op13U; +int16_t Op13X; +int16_t Op13Y; +int16_t Op13Z; +int16_t Op23F; +int16_t Op23L; +int16_t Op23U; +int16_t Op23X; +int16_t Op23Y; +int16_t Op23Z; + +void DSPOp03(void) +{ + Op03X = (Op03F * matrixA[0][0] >> 15) + (Op03L * matrixA[1][0] >> 15) + (Op03U * matrixA[2][0] >> 15); + Op03Y = (Op03F * matrixA[0][1] >> 15) + (Op03L * matrixA[1][1] >> 15) + (Op03U * matrixA[2][1] >> 15); + Op03Z = (Op03F * matrixA[0][2] >> 15) + (Op03L * matrixA[1][2] >> 15) + (Op03U * matrixA[2][2] >> 15); +} + +void DSPOp13(void) +{ + Op13X = (Op13F * matrixB[0][0] >> 15) + (Op13L * matrixB[1][0] >> 15) + (Op13U * matrixB[2][0] >> 15); + Op13Y = (Op13F * matrixB[0][1] >> 15) + (Op13L * matrixB[1][1] >> 15) + (Op13U * matrixB[2][1] >> 15); + Op13Z = (Op13F * matrixB[0][2] >> 15) + (Op13L * matrixB[1][2] >> 15) + (Op13U * matrixB[2][2] >> 15); +} + +void DSPOp23(void) +{ + Op23X = (Op23F * matrixC[0][0] >> 15) + (Op23L * matrixC[1][0] >> 15) + (Op23U * matrixC[2][0] >> 15); + Op23Y = (Op23F * matrixC[0][1] >> 15) + (Op23L * matrixC[1][1] >> 15) + (Op23U * matrixC[2][1] >> 15); + Op23Z = (Op23F * matrixC[0][2] >> 15) + (Op23L * matrixC[1][2] >> 15) + (Op23U * matrixC[2][2] >> 15); +} + +int16_t Op14Zr; +int16_t Op14Xr; +int16_t Op14Yr; +int16_t Op14U; +int16_t Op14F; +int16_t Op14L; +int16_t Op14Zrr; +int16_t Op14Xrr; +int16_t Op14Yrr; + +void DSPOp14(void) +{ + int16_t CSec, ESec, CTan, CSin, C, E; + + DSP1_Inverse(DSP1_Cos(Op14Xr), 0, &CSec, &ESec); + + /* Rotation Around Z */ + DSP1_NormalizeDouble(Op14U * DSP1_Cos(Op14Yr) - Op14F * DSP1_Sin(Op14Yr), &C, &E); + + E = ESec - E; + + DSP1_Normalize(C * CSec >> 15, &C, &E); + + Op14Zrr = Op14Zr + DSP1_Truncate(C, E); + + /* Rotation Around X */ + Op14Xrr = Op14Xr + (Op14U * DSP1_Sin(Op14Yr) >> 15) + (Op14F * DSP1_Cos(Op14Yr) >> 15); + + /* Rotation Around Y */ + DSP1_NormalizeDouble(Op14U * DSP1_Cos(Op14Yr) + Op14F * DSP1_Sin(Op14Yr), &C, &E); + + E = ESec - E; + + DSP1_Normalize(DSP1_Sin(Op14Xr), &CSin, &E); + + CTan = CSec * CSin >> 15; + + DSP1_Normalize(-(C * CTan >> 15), &C, &E); + + Op14Yrr = Op14Yr + DSP1_Truncate(C, E) + Op14L; +} + +void DSP1_Target(int16_t H, int16_t V, int16_t* X, int16_t* Y) +{ + int16_t C, E, C1, E1; + + DSP1_Inverse((V * SinAzs >> 15) + VOffset, 8, &C, &E); + E += VPlane_E; + + C1 = C * VPlane_C >> 15; + E1 = E + SecAZS_E1; + + H <<= 8; + + DSP1_Normalize(C1, &C, &E); + + C = DSP1_Truncate(C, E) * H >> 15; + + *X = CentreX + (C * CosAas >> 15); + *Y = CentreY - (C * SinAas >> 15); + + V <<= 8; + + DSP1_Normalize(C1 * SecAZS_C1 >> 15, &C, &E1); + + C = DSP1_Truncate(C, E1) * V >> 15; + + *X += C * -SinAas >> 15; + *Y += C * CosAas >> 15; +} + +int16_t Op0EH; +int16_t Op0EV; +int16_t Op0EX; +int16_t Op0EY; + +void DSPOp0E(void) +{ + DSP1_Target(Op0EH, Op0EV, &Op0EX, &Op0EY); +} + +int16_t Op0BX; +int16_t Op0BY; +int16_t Op0BZ; +int16_t Op0BS; +int16_t Op1BX; +int16_t Op1BY; +int16_t Op1BZ; +int16_t Op1BS; +int16_t Op2BX; +int16_t Op2BY; +int16_t Op2BZ; +int16_t Op2BS; + +void DSPOp0B(void) +{ + Op0BS = (Op0BX * matrixA[0][0] + Op0BY * matrixA[0][1] + Op0BZ * matrixA[0][2]) >> 15; +} + +void DSPOp1B(void) +{ + Op1BS = (Op1BX * matrixB[0][0] + Op1BY * matrixB[0][1] + Op1BZ * matrixB[0][2]) >> 15; +} + +void DSPOp2B(void) +{ + Op2BS = (Op2BX * matrixC[0][0] + Op2BY * matrixC[0][1] + Op2BZ * matrixC[0][2]) >> 15; +} + +int16_t Op08X, Op08Y, Op08Z, Op08Ll, Op08Lh; + +void DSPOp08(void) +{ + int32_t Op08Size = (Op08X * Op08X + Op08Y * Op08Y + Op08Z * Op08Z) << 1; + Op08Ll = Op08Size & 0xffff; + Op08Lh = (Op08Size >> 16) & 0xffff; +} + +int16_t Op18X, Op18Y, Op18Z, Op18R, Op18D; + +void DSPOp18(void) +{ + Op18D = (Op18X * Op18X + Op18Y * Op18Y + Op18Z * Op18Z - Op18R * Op18R) >> 15; +} + +int16_t Op38X, Op38Y, Op38Z, Op38R, Op38D; + +void DSPOp38(void) +{ + Op38D = (Op38X * Op38X + Op38Y * Op38Y + Op38Z * Op38Z - Op38R * Op38R) >> 15; + Op38D++; +} + +int16_t Op28X; +int16_t Op28Y; +int16_t Op28Z; +int16_t Op28R; + +void DSPOp28(void) +{ + int32_t Radius = Op28X * Op28X + Op28Y * Op28Y + Op28Z * Op28Z; + + if (Radius == 0) + Op28R = 0; + else + { + int16_t C, E, Pos, Node1, Node2; + DSP1_NormalizeDouble(Radius, &C, &E); + if (E & 1) + C = C * 0x4000 >> 15; + + Pos = C * 0x0040 >> 15; + + Node1 = DSP1ROM[0x00d5 + Pos]; + Node2 = DSP1ROM[0x00d6 + Pos]; + + Op28R = ((Node2 - Node1) * (C & 0x1ff) >> 9) + Node1; + Op28R >>= (E >> 1); + } +} + +int16_t Op1CX, Op1CY, Op1CZ; +int16_t Op1CXBR, Op1CYBR, Op1CZBR, Op1CXAR, Op1CYAR, Op1CZAR; +int16_t Op1CX1; +int16_t Op1CY1; +int16_t Op1CZ1; +int16_t Op1CX2; +int16_t Op1CY2; +int16_t Op1CZ2; + +void DSPOp1C(void) +{ + /* Rotate Around Op1CZ1 */ + Op1CX1 = (Op1CYBR * DSP1_Sin(Op1CZ) >> 15) + (Op1CXBR * DSP1_Cos(Op1CZ) >> 15); + Op1CY1 = (Op1CYBR * DSP1_Cos(Op1CZ) >> 15) - (Op1CXBR * DSP1_Sin(Op1CZ) >> 15); + Op1CXBR = Op1CX1; + Op1CYBR = Op1CY1; + + /* Rotate Around Op1CY1 */ + Op1CZ1 = (Op1CXBR * DSP1_Sin(Op1CY) >> 15) + (Op1CZBR * DSP1_Cos(Op1CY) >> 15); + Op1CX1 = (Op1CXBR * DSP1_Cos(Op1CY) >> 15) - (Op1CZBR * DSP1_Sin(Op1CY) >> 15); + Op1CXAR = Op1CX1; + Op1CZBR = Op1CZ1; + + /* Rotate Around Op1CX1 */ + Op1CY1 = (Op1CZBR * DSP1_Sin(Op1CX) >> 15) + (Op1CYBR * DSP1_Cos(Op1CX) >> 15); + Op1CZ1 = (Op1CZBR * DSP1_Cos(Op1CX) >> 15) - (Op1CYBR * DSP1_Sin(Op1CX) >> 15); + Op1CYAR = Op1CY1; + Op1CZAR = Op1CZ1; +} + +uint16_t Op0FRamsize; +uint16_t Op0FPass; + +void DSPOp0F(void) +{ + Op0FPass = 0x0000; +} + +int16_t Op2FUnknown; +int16_t Op2FSize; + +void DSPOp2F(void) +{ + Op2FSize = 0x100; +} |