| df00ea13 |
1 | /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * |
| 2 | * Mupen64plus-rsp-hle - ucode3mp3.h * |
| 3 | * Mupen64Plus homepage: http://code.google.com/p/mupen64plus/ * |
| 4 | * Copyright (C) 2009 Richard Goedeken * |
| 5 | * Copyright (C) 2002 Hacktarux * |
| 6 | * * |
| 7 | * This program is free software; you can redistribute it and/or modify * |
| 8 | * it under the terms of the GNU General Public License as published by * |
| 9 | * the Free Software Foundation; either version 2 of the License, or * |
| 10 | * (at your option) any later version. * |
| 11 | * * |
| 12 | * This program is distributed in the hope that it will be useful, * |
| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of * |
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * |
| 15 | * GNU General Public License for more details. * |
| 16 | * * |
| 17 | * You should have received a copy of the GNU General Public License * |
| 18 | * along with this program; if not, write to the * |
| 19 | * Free Software Foundation, Inc., * |
| 20 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. * |
| 21 | * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ |
| 22 | |
| 23 | # include <string.h> |
| 24 | #include <stdint.h> |
| 25 | |
| 26 | #include "m64p_plugin.h" |
| 27 | #include "hle.h" |
| 28 | |
| 29 | static const uint16_t DeWindowLUT [0x420] = { |
| 30 | 0x0000, 0xFFF3, 0x005D, 0xFF38, 0x037A, 0xF736, 0x0B37, 0xC00E, |
| 31 | 0x7FFF, 0x3FF2, 0x0B37, 0x08CA, 0x037A, 0x00C8, 0x005D, 0x000D, |
| 32 | 0x0000, 0xFFF3, 0x005D, 0xFF38, 0x037A, 0xF736, 0x0B37, 0xC00E, |
| 33 | 0x7FFF, 0x3FF2, 0x0B37, 0x08CA, 0x037A, 0x00C8, 0x005D, 0x000D, |
| 34 | 0x0000, 0xFFF2, 0x005F, 0xFF1D, 0x0369, 0xF697, 0x0A2A, 0xBCE7, |
| 35 | 0x7FEB, 0x3CCB, 0x0C2B, 0x082B, 0x0385, 0x00AF, 0x005B, 0x000B, |
| 36 | 0x0000, 0xFFF2, 0x005F, 0xFF1D, 0x0369, 0xF697, 0x0A2A, 0xBCE7, |
| 37 | 0x7FEB, 0x3CCB, 0x0C2B, 0x082B, 0x0385, 0x00AF, 0x005B, 0x000B, |
| 38 | 0x0000, 0xFFF1, 0x0061, 0xFF02, 0x0354, 0xF5F9, 0x0905, 0xB9C4, |
| 39 | 0x7FB0, 0x39A4, 0x0D08, 0x078C, 0x038C, 0x0098, 0x0058, 0x000A, |
| 40 | 0x0000, 0xFFF1, 0x0061, 0xFF02, 0x0354, 0xF5F9, 0x0905, 0xB9C4, |
| 41 | 0x7FB0, 0x39A4, 0x0D08, 0x078C, 0x038C, 0x0098, 0x0058, 0x000A, |
| 42 | 0x0000, 0xFFEF, 0x0062, 0xFEE6, 0x033B, 0xF55C, 0x07C8, 0xB6A4, |
| 43 | 0x7F4D, 0x367E, 0x0DCE, 0x06EE, 0x038F, 0x0080, 0x0056, 0x0009, |
| 44 | 0x0000, 0xFFEF, 0x0062, 0xFEE6, 0x033B, 0xF55C, 0x07C8, 0xB6A4, |
| 45 | 0x7F4D, 0x367E, 0x0DCE, 0x06EE, 0x038F, 0x0080, 0x0056, 0x0009, |
| 46 | 0x0000, 0xFFEE, 0x0063, 0xFECA, 0x031C, 0xF4C3, 0x0671, 0xB38C, |
| 47 | 0x7EC2, 0x335D, 0x0E7C, 0x0652, 0x038E, 0x006B, 0x0053, 0x0008, |
| 48 | 0x0000, 0xFFEE, 0x0063, 0xFECA, 0x031C, 0xF4C3, 0x0671, 0xB38C, |
| 49 | 0x7EC2, 0x335D, 0x0E7C, 0x0652, 0x038E, 0x006B, 0x0053, 0x0008, |
| 50 | 0x0000, 0xFFEC, 0x0064, 0xFEAC, 0x02F7, 0xF42C, 0x0502, 0xB07C, |
| 51 | 0x7E12, 0x3041, 0x0F14, 0x05B7, 0x038A, 0x0056, 0x0050, 0x0007, |
| 52 | 0x0000, 0xFFEC, 0x0064, 0xFEAC, 0x02F7, 0xF42C, 0x0502, 0xB07C, |
| 53 | 0x7E12, 0x3041, 0x0F14, 0x05B7, 0x038A, 0x0056, 0x0050, 0x0007, |
| 54 | 0x0000, 0xFFEB, 0x0064, 0xFE8E, 0x02CE, 0xF399, 0x037A, 0xAD75, |
| 55 | 0x7D3A, 0x2D2C, 0x0F97, 0x0520, 0x0382, 0x0043, 0x004D, 0x0007, |
| 56 | 0x0000, 0xFFEB, 0x0064, 0xFE8E, 0x02CE, 0xF399, 0x037A, 0xAD75, |
| 57 | 0x7D3A, 0x2D2C, 0x0F97, 0x0520, 0x0382, 0x0043, 0x004D, 0x0007, |
| 58 | 0xFFFF, 0xFFE9, 0x0063, 0xFE6F, 0x029E, 0xF30B, 0x01D8, 0xAA7B, |
| 59 | 0x7C3D, 0x2A1F, 0x1004, 0x048B, 0x0377, 0x0030, 0x004A, 0x0006, |
| 60 | 0xFFFF, 0xFFE9, 0x0063, 0xFE6F, 0x029E, 0xF30B, 0x01D8, 0xAA7B, |
| 61 | 0x7C3D, 0x2A1F, 0x1004, 0x048B, 0x0377, 0x0030, 0x004A, 0x0006, |
| 62 | 0xFFFF, 0xFFE7, 0x0062, 0xFE4F, 0x0269, 0xF282, 0x001F, 0xA78D, |
| 63 | 0x7B1A, 0x271C, 0x105D, 0x03F9, 0x036A, 0x001F, 0x0046, 0x0006, |
| 64 | 0xFFFF, 0xFFE7, 0x0062, 0xFE4F, 0x0269, 0xF282, 0x001F, 0xA78D, |
| 65 | 0x7B1A, 0x271C, 0x105D, 0x03F9, 0x036A, 0x001F, 0x0046, 0x0006, |
| 66 | 0xFFFF, 0xFFE4, 0x0061, 0xFE2F, 0x022F, 0xF1FF, 0xFE4C, 0xA4AF, |
| 67 | 0x79D3, 0x2425, 0x10A2, 0x036C, 0x0359, 0x0010, 0x0043, 0x0005, |
| 68 | 0xFFFF, 0xFFE4, 0x0061, 0xFE2F, 0x022F, 0xF1FF, 0xFE4C, 0xA4AF, |
| 69 | 0x79D3, 0x2425, 0x10A2, 0x036C, 0x0359, 0x0010, 0x0043, 0x0005, |
| 70 | 0xFFFF, 0xFFE2, 0x005E, 0xFE10, 0x01EE, 0xF184, 0xFC61, 0xA1E1, |
| 71 | 0x7869, 0x2139, 0x10D3, 0x02E3, 0x0346, 0x0001, 0x0040, 0x0004, |
| 72 | 0xFFFF, 0xFFE2, 0x005E, 0xFE10, 0x01EE, 0xF184, 0xFC61, 0xA1E1, |
| 73 | 0x7869, 0x2139, 0x10D3, 0x02E3, 0x0346, 0x0001, 0x0040, 0x0004, |
| 74 | 0xFFFF, 0xFFE0, 0x005B, 0xFDF0, 0x01A8, 0xF111, 0xFA5F, 0x9F27, |
| 75 | 0x76DB, 0x1E5C, 0x10F2, 0x025E, 0x0331, 0xFFF3, 0x003D, 0x0004, |
| 76 | 0xFFFF, 0xFFE0, 0x005B, 0xFDF0, 0x01A8, 0xF111, 0xFA5F, 0x9F27, |
| 77 | 0x76DB, 0x1E5C, 0x10F2, 0x025E, 0x0331, 0xFFF3, 0x003D, 0x0004, |
| 78 | 0xFFFF, 0xFFDE, 0x0057, 0xFDD0, 0x015B, 0xF0A7, 0xF845, 0x9C80, |
| 79 | 0x752C, 0x1B8E, 0x1100, 0x01DE, 0x0319, 0xFFE7, 0x003A, 0x0003, |
| 80 | 0xFFFF, 0xFFDE, 0x0057, 0xFDD0, 0x015B, 0xF0A7, 0xF845, 0x9C80, |
| 81 | 0x752C, 0x1B8E, 0x1100, 0x01DE, 0x0319, 0xFFE7, 0x003A, 0x0003, |
| 82 | 0xFFFE, 0xFFDB, 0x0053, 0xFDB0, 0x0108, 0xF046, 0xF613, 0x99EE, |
| 83 | 0x735C, 0x18D1, 0x10FD, 0x0163, 0x0300, 0xFFDC, 0x0037, 0x0003, |
| 84 | 0xFFFE, 0xFFDB, 0x0053, 0xFDB0, 0x0108, 0xF046, 0xF613, 0x99EE, |
| 85 | 0x735C, 0x18D1, 0x10FD, 0x0163, 0x0300, 0xFFDC, 0x0037, 0x0003, |
| 86 | 0xFFFE, 0xFFD8, 0x004D, 0xFD90, 0x00B0, 0xEFF0, 0xF3CC, 0x9775, |
| 87 | 0x716C, 0x1624, 0x10EA, 0x00EE, 0x02E5, 0xFFD2, 0x0033, 0x0003, |
| 88 | 0xFFFE, 0xFFD8, 0x004D, 0xFD90, 0x00B0, 0xEFF0, 0xF3CC, 0x9775, |
| 89 | 0x716C, 0x1624, 0x10EA, 0x00EE, 0x02E5, 0xFFD2, 0x0033, 0x0003, |
| 90 | 0xFFFE, 0xFFD6, 0x0047, 0xFD72, 0x0051, 0xEFA6, 0xF16F, 0x9514, |
| 91 | 0x6F5E, 0x138A, 0x10C8, 0x007E, 0x02CA, 0xFFC9, 0x0030, 0x0003, |
| 92 | 0xFFFE, 0xFFD6, 0x0047, 0xFD72, 0x0051, 0xEFA6, 0xF16F, 0x9514, |
| 93 | 0x6F5E, 0x138A, 0x10C8, 0x007E, 0x02CA, 0xFFC9, 0x0030, 0x0003, |
| 94 | 0xFFFE, 0xFFD3, 0x0040, 0xFD54, 0xFFEC, 0xEF68, 0xEEFC, 0x92CD, |
| 95 | 0x6D33, 0x1104, 0x1098, 0x0014, 0x02AC, 0xFFC0, 0x002D, 0x0002, |
| 96 | 0xFFFE, 0xFFD3, 0x0040, 0xFD54, 0xFFEC, 0xEF68, 0xEEFC, 0x92CD, |
| 97 | 0x6D33, 0x1104, 0x1098, 0x0014, 0x02AC, 0xFFC0, 0x002D, 0x0002, |
| 98 | 0x0030, 0xFFC9, 0x02CA, 0x007E, 0x10C8, 0x138A, 0x6F5E, 0x9514, |
| 99 | 0xF16F, 0xEFA6, 0x0051, 0xFD72, 0x0047, 0xFFD6, 0xFFFE, 0x0003, |
| 100 | 0x0030, 0xFFC9, 0x02CA, 0x007E, 0x10C8, 0x138A, 0x6F5E, 0x9514, |
| 101 | 0xF16F, 0xEFA6, 0x0051, 0xFD72, 0x0047, 0xFFD6, 0xFFFE, 0x0003, |
| 102 | 0x0033, 0xFFD2, 0x02E5, 0x00EE, 0x10EA, 0x1624, 0x716C, 0x9775, |
| 103 | 0xF3CC, 0xEFF0, 0x00B0, 0xFD90, 0x004D, 0xFFD8, 0xFFFE, 0x0003, |
| 104 | 0x0033, 0xFFD2, 0x02E5, 0x00EE, 0x10EA, 0x1624, 0x716C, 0x9775, |
| 105 | 0xF3CC, 0xEFF0, 0x00B0, 0xFD90, 0x004D, 0xFFD8, 0xFFFE, 0x0003, |
| 106 | 0x0037, 0xFFDC, 0x0300, 0x0163, 0x10FD, 0x18D1, 0x735C, 0x99EE, |
| 107 | 0xF613, 0xF046, 0x0108, 0xFDB0, 0x0053, 0xFFDB, 0xFFFE, 0x0003, |
| 108 | 0x0037, 0xFFDC, 0x0300, 0x0163, 0x10FD, 0x18D1, 0x735C, 0x99EE, |
| 109 | 0xF613, 0xF046, 0x0108, 0xFDB0, 0x0053, 0xFFDB, 0xFFFE, 0x0003, |
| 110 | 0x003A, 0xFFE7, 0x0319, 0x01DE, 0x1100, 0x1B8E, 0x752C, 0x9C80, |
| 111 | 0xF845, 0xF0A7, 0x015B, 0xFDD0, 0x0057, 0xFFDE, 0xFFFF, 0x0003, |
| 112 | 0x003A, 0xFFE7, 0x0319, 0x01DE, 0x1100, 0x1B8E, 0x752C, 0x9C80, |
| 113 | 0xF845, 0xF0A7, 0x015B, 0xFDD0, 0x0057, 0xFFDE, 0xFFFF, 0x0004, |
| 114 | 0x003D, 0xFFF3, 0x0331, 0x025E, 0x10F2, 0x1E5C, 0x76DB, 0x9F27, |
| 115 | 0xFA5F, 0xF111, 0x01A8, 0xFDF0, 0x005B, 0xFFE0, 0xFFFF, 0x0004, |
| 116 | 0x003D, 0xFFF3, 0x0331, 0x025E, 0x10F2, 0x1E5C, 0x76DB, 0x9F27, |
| 117 | 0xFA5F, 0xF111, 0x01A8, 0xFDF0, 0x005B, 0xFFE0, 0xFFFF, 0x0004, |
| 118 | 0x0040, 0x0001, 0x0346, 0x02E3, 0x10D3, 0x2139, 0x7869, 0xA1E1, |
| 119 | 0xFC61, 0xF184, 0x01EE, 0xFE10, 0x005E, 0xFFE2, 0xFFFF, 0x0004, |
| 120 | 0x0040, 0x0001, 0x0346, 0x02E3, 0x10D3, 0x2139, 0x7869, 0xA1E1, |
| 121 | 0xFC61, 0xF184, 0x01EE, 0xFE10, 0x005E, 0xFFE2, 0xFFFF, 0x0005, |
| 122 | 0x0043, 0x0010, 0x0359, 0x036C, 0x10A2, 0x2425, 0x79D3, 0xA4AF, |
| 123 | 0xFE4C, 0xF1FF, 0x022F, 0xFE2F, 0x0061, 0xFFE4, 0xFFFF, 0x0005, |
| 124 | 0x0043, 0x0010, 0x0359, 0x036C, 0x10A2, 0x2425, 0x79D3, 0xA4AF, |
| 125 | 0xFE4C, 0xF1FF, 0x022F, 0xFE2F, 0x0061, 0xFFE4, 0xFFFF, 0x0006, |
| 126 | 0x0046, 0x001F, 0x036A, 0x03F9, 0x105D, 0x271C, 0x7B1A, 0xA78D, |
| 127 | 0x001F, 0xF282, 0x0269, 0xFE4F, 0x0062, 0xFFE7, 0xFFFF, 0x0006, |
| 128 | 0x0046, 0x001F, 0x036A, 0x03F9, 0x105D, 0x271C, 0x7B1A, 0xA78D, |
| 129 | 0x001F, 0xF282, 0x0269, 0xFE4F, 0x0062, 0xFFE7, 0xFFFF, 0x0006, |
| 130 | 0x004A, 0x0030, 0x0377, 0x048B, 0x1004, 0x2A1F, 0x7C3D, 0xAA7B, |
| 131 | 0x01D8, 0xF30B, 0x029E, 0xFE6F, 0x0063, 0xFFE9, 0xFFFF, 0x0006, |
| 132 | 0x004A, 0x0030, 0x0377, 0x048B, 0x1004, 0x2A1F, 0x7C3D, 0xAA7B, |
| 133 | 0x01D8, 0xF30B, 0x029E, 0xFE6F, 0x0063, 0xFFE9, 0xFFFF, 0x0007, |
| 134 | 0x004D, 0x0043, 0x0382, 0x0520, 0x0F97, 0x2D2C, 0x7D3A, 0xAD75, |
| 135 | 0x037A, 0xF399, 0x02CE, 0xFE8E, 0x0064, 0xFFEB, 0x0000, 0x0007, |
| 136 | 0x004D, 0x0043, 0x0382, 0x0520, 0x0F97, 0x2D2C, 0x7D3A, 0xAD75, |
| 137 | 0x037A, 0xF399, 0x02CE, 0xFE8E, 0x0064, 0xFFEB, 0x0000, 0x0007, |
| 138 | 0x0050, 0x0056, 0x038A, 0x05B7, 0x0F14, 0x3041, 0x7E12, 0xB07C, |
| 139 | 0x0502, 0xF42C, 0x02F7, 0xFEAC, 0x0064, 0xFFEC, 0x0000, 0x0007, |
| 140 | 0x0050, 0x0056, 0x038A, 0x05B7, 0x0F14, 0x3041, 0x7E12, 0xB07C, |
| 141 | 0x0502, 0xF42C, 0x02F7, 0xFEAC, 0x0064, 0xFFEC, 0x0000, 0x0008, |
| 142 | 0x0053, 0x006B, 0x038E, 0x0652, 0x0E7C, 0x335D, 0x7EC2, 0xB38C, |
| 143 | 0x0671, 0xF4C3, 0x031C, 0xFECA, 0x0063, 0xFFEE, 0x0000, 0x0008, |
| 144 | 0x0053, 0x006B, 0x038E, 0x0652, 0x0E7C, 0x335D, 0x7EC2, 0xB38C, |
| 145 | 0x0671, 0xF4C3, 0x031C, 0xFECA, 0x0063, 0xFFEE, 0x0000, 0x0009, |
| 146 | 0x0056, 0x0080, 0x038F, 0x06EE, 0x0DCE, 0x367E, 0x7F4D, 0xB6A4, |
| 147 | 0x07C8, 0xF55C, 0x033B, 0xFEE6, 0x0062, 0xFFEF, 0x0000, 0x0009, |
| 148 | 0x0056, 0x0080, 0x038F, 0x06EE, 0x0DCE, 0x367E, 0x7F4D, 0xB6A4, |
| 149 | 0x07C8, 0xF55C, 0x033B, 0xFEE6, 0x0062, 0xFFEF, 0x0000, 0x000A, |
| 150 | 0x0058, 0x0098, 0x038C, 0x078C, 0x0D08, 0x39A4, 0x7FB0, 0xB9C4, |
| 151 | 0x0905, 0xF5F9, 0x0354, 0xFF02, 0x0061, 0xFFF1, 0x0000, 0x000A, |
| 152 | 0x0058, 0x0098, 0x038C, 0x078C, 0x0D08, 0x39A4, 0x7FB0, 0xB9C4, |
| 153 | 0x0905, 0xF5F9, 0x0354, 0xFF02, 0x0061, 0xFFF1, 0x0000, 0x000B, |
| 154 | 0x005B, 0x00AF, 0x0385, 0x082B, 0x0C2B, 0x3CCB, 0x7FEB, 0xBCE7, |
| 155 | 0x0A2A, 0xF697, 0x0369, 0xFF1D, 0x005F, 0xFFF2, 0x0000, 0x000B, |
| 156 | 0x005B, 0x00AF, 0x0385, 0x082B, 0x0C2B, 0x3CCB, 0x7FEB, 0xBCE7, |
| 157 | 0x0A2A, 0xF697, 0x0369, 0xFF1D, 0x005F, 0xFFF2, 0x0000, 0x000D, |
| 158 | 0x005D, 0x00C8, 0x037A, 0x08CA, 0x0B37, 0x3FF2, 0x7FFF, 0xC00E, |
| 159 | 0x0B37, 0xF736, 0x037A, 0xFF38, 0x005D, 0xFFF3, 0x0000, 0x000D, |
| 160 | 0x005D, 0x00C8, 0x037A, 0x08CA, 0x0B37, 0x3FF2, 0x7FFF, 0xC00E, |
| 161 | 0x0B37, 0xF736, 0x037A, 0xFF38, 0x005D, 0xFFF3, 0x0000, 0x0000 |
| 162 | }; |
| 163 | |
| 164 | static uint8_t mp3data[0x1000]; |
| 165 | |
| 166 | static int32_t v[32]; |
| 167 | |
| 168 | static void MP3AB0(void) |
| 169 | { |
| 170 | /* Part 2 - 100% Accurate */ |
| 171 | static const uint16_t LUT2[8] = { |
| 172 | 0xFEC4, 0xF4FA, 0xC5E4, 0xE1C4, |
| 173 | 0x1916, 0x4A50, 0xA268, 0x78AE |
| 174 | }; |
| 175 | static const uint16_t LUT3[4] = { 0xFB14, 0xD4DC, 0x31F2, 0x8E3A }; |
| 176 | int i; |
| 177 | |
| 178 | for (i = 0; i < 8; i++) { |
| 179 | v[16 + i] = v[0 + i] + v[8 + i]; |
| 180 | v[24 + i] = ((v[0 + i] - v[8 + i]) * LUT2[i]) >> 0x10; |
| 181 | } |
| 182 | |
| 183 | /* Part 3: 4-wide butterflies */ |
| 184 | |
| 185 | for (i = 0; i < 4; i++) { |
| 186 | v[0 + i] = v[16 + i] + v[20 + i]; |
| 187 | v[4 + i] = ((v[16 + i] - v[20 + i]) * LUT3[i]) >> 0x10; |
| 188 | |
| 189 | v[8 + i] = v[24 + i] + v[28 + i]; |
| 190 | v[12 + i] = ((v[24 + i] - v[28 + i]) * LUT3[i]) >> 0x10; |
| 191 | } |
| 192 | |
| 193 | /* Part 4: 2-wide butterflies - 100% Accurate */ |
| 194 | |
| 195 | for (i = 0; i < 16; i += 4) { |
| 196 | v[16 + i] = v[0 + i] + v[2 + i]; |
| 197 | v[18 + i] = ((v[0 + i] - v[2 + i]) * 0xEC84) >> 0x10; |
| 198 | |
| 199 | v[17 + i] = v[1 + i] + v[3 + i]; |
| 200 | v[19 + i] = ((v[1 + i] - v[3 + i]) * 0x61F8) >> 0x10; |
| 201 | } |
| 202 | } |
| 203 | |
| 204 | static void InnerLoop(); |
| 205 | |
| 206 | static uint32_t inPtr, outPtr; |
| 207 | |
| 208 | static uint32_t t6;/* = 0x08A0; - I think these are temporary storage buffers */ |
| 209 | static uint32_t t5;/* = 0x0AC0; */ |
| 210 | static uint32_t t4;/* = (inst1 & 0x1E); */ |
| 211 | |
| 212 | void MP3(uint32_t inst1, uint32_t inst2) |
| 213 | { |
| 214 | /* Initialization Code */ |
| 215 | uint32_t readPtr; /* s5 */ |
| 216 | uint32_t writePtr; /* s6 */ |
| 217 | uint32_t tmp; |
| 218 | int cnt, cnt2; |
| 219 | |
| 220 | /* I think these are temporary storage buffers */ |
| 221 | t6 = 0x08A0; |
| 222 | t5 = 0x0AC0; |
| 223 | t4 = (inst1 & 0x1E); |
| 224 | |
| 225 | writePtr = inst2 & 0xFFFFFF; |
| 226 | readPtr = writePtr; |
| 227 | /* Just do that for efficiency... may remove and use directly later anyway */ |
| 228 | memcpy(mp3data + 0xCE8, rsp.RDRAM + readPtr, 8); |
| 229 | /* This must be a header byte or whatnot */ |
| 230 | readPtr += 8; |
| 231 | |
| 232 | for (cnt = 0; cnt < 0x480; cnt += 0x180) { |
| 233 | /* DMA: 0xCF0 <- RDRAM[s5] : 0x180 */ |
| 234 | memcpy(mp3data + 0xCF0, rsp.RDRAM + readPtr, 0x180); |
| 235 | inPtr = 0xCF0; /* s7 */ |
| 236 | outPtr = 0xE70; /* s3 */ |
| 237 | /* --------------- Inner Loop Start -------------------- */ |
| 238 | for (cnt2 = 0; cnt2 < 0x180; cnt2 += 0x40) { |
| 239 | t6 &= 0xFFE0; |
| 240 | t5 &= 0xFFE0; |
| 241 | t6 |= t4; |
| 242 | t5 |= t4; |
| 243 | InnerLoop(); |
| 244 | t4 = (t4 - 2) & 0x1E; |
| 245 | tmp = t6; |
| 246 | t6 = t5; |
| 247 | t5 = tmp; |
| 248 | inPtr += 0x40; |
| 249 | } |
| 250 | /* --------------- Inner Loop End -------------------- */ |
| 251 | memcpy(rsp.RDRAM + writePtr, mp3data + 0xe70, 0x180); |
| 252 | writePtr += 0x180; |
| 253 | readPtr += 0x180; |
| 254 | } |
| 255 | } |
| 256 | |
| 257 | |
| 258 | |
| 259 | static void InnerLoop(void) |
| 260 | { |
| 261 | /* Part 1: 100% Accurate */ |
| 262 | |
| 263 | /* 0, 1, 3, 2, 7, 6, 4, 5, 7, 6, 4, 5, 0, 1, 3, 2 */ |
| 264 | static const uint16_t LUT6[16] = { |
| 265 | 0xFFB2, 0xFD3A, 0xF10A, 0xF854, |
| 266 | 0xBDAE, 0xCDA0, 0xE76C, 0xDB94, |
| 267 | 0x1920, 0x4B20, 0xAC7C, 0x7C68, |
| 268 | 0xABEC, 0x9880, 0xDAE8, 0x839C |
| 269 | }; |
| 270 | int i; |
| 271 | uint32_t t0; |
| 272 | uint32_t t1; |
| 273 | uint32_t t2; |
| 274 | uint32_t t3; |
| 275 | int32_t v2 = 0, v4 = 0, v6 = 0, v8 = 0; |
| 276 | uint32_t offset; |
| 277 | uint32_t addptr; |
| 278 | int x; |
| 279 | int32_t mult6; |
| 280 | int32_t mult4; |
| 281 | int tmp; |
| 282 | int32_t hi0; |
| 283 | int32_t hi1; |
| 284 | int32_t vt; |
| 285 | |
| 286 | v[0] = *(int16_t *)(mp3data + inPtr + (0x00 ^ S16)); |
| 287 | v[31] = *(int16_t *)(mp3data + inPtr + (0x3E ^ S16)); |
| 288 | v[0] += v[31]; |
| 289 | v[1] = *(int16_t *)(mp3data + inPtr + (0x02 ^ S16)); |
| 290 | v[30] = *(int16_t *)(mp3data + inPtr + (0x3C ^ S16)); |
| 291 | v[1] += v[30]; |
| 292 | v[2] = *(int16_t *)(mp3data + inPtr + (0x06 ^ S16)); |
| 293 | v[28] = *(int16_t *)(mp3data + inPtr + (0x38 ^ S16)); |
| 294 | v[2] += v[28]; |
| 295 | v[3] = *(int16_t *)(mp3data + inPtr + (0x04 ^ S16)); |
| 296 | v[29] = *(int16_t *)(mp3data + inPtr + (0x3A ^ S16)); |
| 297 | v[3] += v[29]; |
| 298 | |
| 299 | v[4] = *(int16_t *)(mp3data + inPtr + (0x0E ^ S16)); |
| 300 | v[24] = *(int16_t *)(mp3data + inPtr + (0x30 ^ S16)); |
| 301 | v[4] += v[24]; |
| 302 | v[5] = *(int16_t *)(mp3data + inPtr + (0x0C ^ S16)); |
| 303 | v[25] = *(int16_t *)(mp3data + inPtr + (0x32 ^ S16)); |
| 304 | v[5] += v[25]; |
| 305 | v[6] = *(int16_t *)(mp3data + inPtr + (0x08 ^ S16)); |
| 306 | v[27] = *(int16_t *)(mp3data + inPtr + (0x36 ^ S16)); |
| 307 | v[6] += v[27]; |
| 308 | v[7] = *(int16_t *)(mp3data + inPtr + (0x0A ^ S16)); |
| 309 | v[26] = *(int16_t *)(mp3data + inPtr + (0x34 ^ S16)); |
| 310 | v[7] += v[26]; |
| 311 | |
| 312 | v[8] = *(int16_t *)(mp3data + inPtr + (0x1E ^ S16)); |
| 313 | v[16] = *(int16_t *)(mp3data + inPtr + (0x20 ^ S16)); |
| 314 | v[8] += v[16]; |
| 315 | v[9] = *(int16_t *)(mp3data + inPtr + (0x1C ^ S16)); |
| 316 | v[17] = *(int16_t *)(mp3data + inPtr + (0x22 ^ S16)); |
| 317 | v[9] += v[17]; |
| 318 | v[10] = *(int16_t *)(mp3data + inPtr + (0x18 ^ S16)); |
| 319 | v[19] = *(int16_t *)(mp3data + inPtr + (0x26 ^ S16)); |
| 320 | v[10] += v[19]; |
| 321 | v[11] = *(int16_t *)(mp3data + inPtr + (0x1A ^ S16)); |
| 322 | v[18] = *(int16_t *)(mp3data + inPtr + (0x24 ^ S16)); |
| 323 | v[11] += v[18]; |
| 324 | |
| 325 | v[12] = *(int16_t *)(mp3data + inPtr + (0x10 ^ S16)); |
| 326 | v[23] = *(int16_t *)(mp3data + inPtr + (0x2E ^ S16)); |
| 327 | v[12] += v[23]; |
| 328 | v[13] = *(int16_t *)(mp3data + inPtr + (0x12 ^ S16)); |
| 329 | v[22] = *(int16_t *)(mp3data + inPtr + (0x2C ^ S16)); |
| 330 | v[13] += v[22]; |
| 331 | v[14] = *(int16_t *)(mp3data + inPtr + (0x16 ^ S16)); |
| 332 | v[20] = *(int16_t *)(mp3data + inPtr + (0x28 ^ S16)); |
| 333 | v[14] += v[20]; |
| 334 | v[15] = *(int16_t *)(mp3data + inPtr + (0x14 ^ S16)); |
| 335 | v[21] = *(int16_t *)(mp3data + inPtr + (0x2A ^ S16)); |
| 336 | v[15] += v[21]; |
| 337 | |
| 338 | /* Part 2-4 */ |
| 339 | |
| 340 | MP3AB0(); |
| 341 | |
| 342 | /* Part 5 - 1-Wide Butterflies - 100% Accurate but need SSVs!!! */ |
| 343 | |
| 344 | t0 = t6 + 0x100; |
| 345 | t1 = t6 + 0x200; |
| 346 | t2 = t5 + 0x100; |
| 347 | t3 = t5 + 0x200; |
| 348 | |
| 349 | /* 0x13A8 */ |
| 350 | v[1] = 0; |
| 351 | v[11] = ((v[16] - v[17]) * 0xB504) >> 0x10; |
| 352 | |
| 353 | v[16] = -v[16] - v[17]; |
| 354 | v[2] = v[18] + v[19]; |
| 355 | /* ** Store v[11] -> (T6 + 0)** */ |
| 356 | *(int16_t *)(mp3data + ((t6 + (short)0x0))) = (short)v[11]; |
| 357 | |
| 358 | |
| 359 | v[11] = -v[11]; |
| 360 | /* ** Store v[16] -> (T3 + 0)** */ |
| 361 | *(int16_t *)(mp3data + ((t3 + (short)0x0))) = (short)v[16]; |
| 362 | /* ** Store v[11] -> (T5 + 0)** */ |
| 363 | *(int16_t *)(mp3data + ((t5 + (short)0x0))) = (short)v[11]; |
| 364 | /* 0x13E8 - Verified.... */ |
| 365 | v[2] = -v[2]; |
| 366 | /* ** Store v[2] -> (T2 + 0)** */ |
| 367 | *(int16_t *)(mp3data + ((t2 + (short)0x0))) = (short)v[2]; |
| 368 | v[3] = (((v[18] - v[19]) * 0x16A09) >> 0x10) + v[2]; |
| 369 | /* ** Store v[3] -> (T0 + 0)** */ |
| 370 | *(int16_t *)(mp3data + ((t0 + (short)0x0))) = (short)v[3]; |
| 371 | /* 0x1400 - Verified */ |
| 372 | v[4] = -v[20] - v[21]; |
| 373 | v[6] = v[22] + v[23]; |
| 374 | v[5] = ((v[20] - v[21]) * 0x16A09) >> 0x10; |
| 375 | /* ** Store v[4] -> (T3 + 0xFF80) */ |
| 376 | *(int16_t *)(mp3data + ((t3 + (short)0xFF80))) = (short)v[4]; |
| 377 | v[7] = ((v[22] - v[23]) * 0x2D413) >> 0x10; |
| 378 | v[5] = v[5] - v[4]; |
| 379 | v[7] = v[7] - v[5]; |
| 380 | v[6] = v[6] + v[6]; |
| 381 | v[5] = v[5] - v[6]; |
| 382 | v[4] = -v[4] - v[6]; |
| 383 | /* *** Store v[7] -> (T1 + 0xFF80) */ |
| 384 | *(int16_t *)(mp3data + ((t1 + (short)0xFF80))) = (short)v[7]; |
| 385 | /* *** Store v[4] -> (T2 + 0xFF80) */ |
| 386 | *(int16_t *)(mp3data + ((t2 + (short)0xFF80))) = (short)v[4]; |
| 387 | /* *** Store v[5] -> (T0 + 0xFF80) */ |
| 388 | *(int16_t *)(mp3data + ((t0 + (short)0xFF80))) = (short)v[5]; |
| 389 | v[8] = v[24] + v[25]; |
| 390 | |
| 391 | |
| 392 | v[9] = ((v[24] - v[25]) * 0x16A09) >> 0x10; |
| 393 | v[2] = v[8] + v[9]; |
| 394 | v[11] = ((v[26] - v[27]) * 0x2D413) >> 0x10; |
| 395 | v[13] = ((v[28] - v[29]) * 0x2D413) >> 0x10; |
| 396 | |
| 397 | v[10] = v[26] + v[27]; |
| 398 | v[10] = v[10] + v[10]; |
| 399 | v[12] = v[28] + v[29]; |
| 400 | v[12] = v[12] + v[12]; |
| 401 | v[14] = v[30] + v[31]; |
| 402 | v[3] = v[8] + v[10]; |
| 403 | v[14] = v[14] + v[14]; |
| 404 | v[13] = (v[13] - v[2]) + v[12]; |
| 405 | v[15] = (((v[30] - v[31]) * 0x5A827) >> 0x10) - (v[11] + v[2]); |
| 406 | v[14] = -(v[14] + v[14]) + v[3]; |
| 407 | v[17] = v[13] - v[10]; |
| 408 | v[9] = v[9] + v[14]; |
| 409 | /* ** Store v[9] -> (T6 + 0x40) */ |
| 410 | *(int16_t *)(mp3data + ((t6 + (short)0x40))) = (short)v[9]; |
| 411 | v[11] = v[11] - v[13]; |
| 412 | /* ** Store v[17] -> (T0 + 0xFFC0) */ |
| 413 | *(int16_t *)(mp3data + ((t0 + (short)0xFFC0))) = (short)v[17]; |
| 414 | v[12] = v[8] - v[12]; |
| 415 | /* ** Store v[11] -> (T0 + 0x40) */ |
| 416 | *(int16_t *)(mp3data + ((t0 + (short)0x40))) = (short)v[11]; |
| 417 | v[8] = -v[8]; |
| 418 | /* ** Store v[15] -> (T1 + 0xFFC0) */ |
| 419 | *(int16_t *)(mp3data + ((t1 + (short)0xFFC0))) = (short)v[15]; |
| 420 | v[10] = -v[10] - v[12]; |
| 421 | /* ** Store v[12] -> (T2 + 0x40) */ |
| 422 | *(int16_t *)(mp3data + ((t2 + (short)0x40))) = (short)v[12]; |
| 423 | /* ** Store v[8] -> (T3 + 0xFFC0) */ |
| 424 | *(int16_t *)(mp3data + ((t3 + (short)0xFFC0))) = (short)v[8]; |
| 425 | /* ** Store v[14] -> (T5 + 0x40) */ |
| 426 | *(int16_t *)(mp3data + ((t5 + (short)0x40))) = (short)v[14]; |
| 427 | /* ** Store v[10] -> (T2 + 0xFFC0) */ |
| 428 | *(int16_t *)(mp3data + ((t2 + (short)0xFFC0))) = (short)v[10]; |
| 429 | /* 0x14FC - Verified... */ |
| 430 | |
| 431 | /* Part 6 - 100% Accurate */ |
| 432 | |
| 433 | v[0] = *(int16_t *)(mp3data + inPtr + (0x00 ^ S16)); |
| 434 | v[31] = *(int16_t *)(mp3data + inPtr + (0x3E ^ S16)); |
| 435 | v[0] -= v[31]; |
| 436 | v[1] = *(int16_t *)(mp3data + inPtr + (0x02 ^ S16)); |
| 437 | v[30] = *(int16_t *)(mp3data + inPtr + (0x3C ^ S16)); |
| 438 | v[1] -= v[30]; |
| 439 | v[2] = *(int16_t *)(mp3data + inPtr + (0x06 ^ S16)); |
| 440 | v[28] = *(int16_t *)(mp3data + inPtr + (0x38 ^ S16)); |
| 441 | v[2] -= v[28]; |
| 442 | v[3] = *(int16_t *)(mp3data + inPtr + (0x04 ^ S16)); |
| 443 | v[29] = *(int16_t *)(mp3data + inPtr + (0x3A ^ S16)); |
| 444 | v[3] -= v[29]; |
| 445 | |
| 446 | v[4] = *(int16_t *)(mp3data + inPtr + (0x0E ^ S16)); |
| 447 | v[24] = *(int16_t *)(mp3data + inPtr + (0x30 ^ S16)); |
| 448 | v[4] -= v[24]; |
| 449 | v[5] = *(int16_t *)(mp3data + inPtr + (0x0C ^ S16)); |
| 450 | v[25] = *(int16_t *)(mp3data + inPtr + (0x32 ^ S16)); |
| 451 | v[5] -= v[25]; |
| 452 | v[6] = *(int16_t *)(mp3data + inPtr + (0x08 ^ S16)); |
| 453 | v[27] = *(int16_t *)(mp3data + inPtr + (0x36 ^ S16)); |
| 454 | v[6] -= v[27]; |
| 455 | v[7] = *(int16_t *)(mp3data + inPtr + (0x0A ^ S16)); |
| 456 | v[26] = *(int16_t *)(mp3data + inPtr + (0x34 ^ S16)); |
| 457 | v[7] -= v[26]; |
| 458 | |
| 459 | v[8] = *(int16_t *)(mp3data + inPtr + (0x1E ^ S16)); |
| 460 | v[16] = *(int16_t *)(mp3data + inPtr + (0x20 ^ S16)); |
| 461 | v[8] -= v[16]; |
| 462 | v[9] = *(int16_t *)(mp3data + inPtr + (0x1C ^ S16)); |
| 463 | v[17] = *(int16_t *)(mp3data + inPtr + (0x22 ^ S16)); |
| 464 | v[9] -= v[17]; |
| 465 | v[10] = *(int16_t *)(mp3data + inPtr + (0x18 ^ S16)); |
| 466 | v[19] = *(int16_t *)(mp3data + inPtr + (0x26 ^ S16)); |
| 467 | v[10] -= v[19]; |
| 468 | v[11] = *(int16_t *)(mp3data + inPtr + (0x1A ^ S16)); |
| 469 | v[18] = *(int16_t *)(mp3data + inPtr + (0x24 ^ S16)); |
| 470 | v[11] -= v[18]; |
| 471 | |
| 472 | v[12] = *(int16_t *)(mp3data + inPtr + (0x10 ^ S16)); |
| 473 | v[23] = *(int16_t *)(mp3data + inPtr + (0x2E ^ S16)); |
| 474 | v[12] -= v[23]; |
| 475 | v[13] = *(int16_t *)(mp3data + inPtr + (0x12 ^ S16)); |
| 476 | v[22] = *(int16_t *)(mp3data + inPtr + (0x2C ^ S16)); |
| 477 | v[13] -= v[22]; |
| 478 | v[14] = *(int16_t *)(mp3data + inPtr + (0x16 ^ S16)); |
| 479 | v[20] = *(int16_t *)(mp3data + inPtr + (0x28 ^ S16)); |
| 480 | v[14] -= v[20]; |
| 481 | v[15] = *(int16_t *)(mp3data + inPtr + (0x14 ^ S16)); |
| 482 | v[21] = *(int16_t *)(mp3data + inPtr + (0x2A ^ S16)); |
| 483 | v[15] -= v[21]; |
| 484 | |
| 485 | for (i = 0; i < 16; i++) |
| 486 | v[0 + i] = (v[0 + i] * LUT6[i]) >> 0x10; |
| 487 | v[0] = v[0] + v[0]; |
| 488 | v[1] = v[1] + v[1]; |
| 489 | v[2] = v[2] + v[2]; |
| 490 | v[3] = v[3] + v[3]; |
| 491 | v[4] = v[4] + v[4]; |
| 492 | v[5] = v[5] + v[5]; |
| 493 | v[6] = v[6] + v[6]; |
| 494 | v[7] = v[7] + v[7]; |
| 495 | v[12] = v[12] + v[12]; |
| 496 | v[13] = v[13] + v[13]; |
| 497 | v[15] = v[15] + v[15]; |
| 498 | |
| 499 | MP3AB0(); |
| 500 | |
| 501 | /* Part 7: - 100% Accurate + SSV - Unoptimized */ |
| 502 | |
| 503 | v[0] = (v[17] + v[16]) >> 1; |
| 504 | v[1] = ((v[17] * (int)((short)0xA57E * 2)) + (v[16] * 0xB504)) >> 0x10; |
| 505 | v[2] = -v[18] - v[19]; |
| 506 | v[3] = ((v[18] - v[19]) * 0x16A09) >> 0x10; |
| 507 | v[4] = v[20] + v[21] + v[0]; |
| 508 | v[5] = (((v[20] - v[21]) * 0x16A09) >> 0x10) + v[1]; |
| 509 | v[6] = (((v[22] + v[23]) << 1) + v[0]) - v[2]; |
| 510 | v[7] = (((v[22] - v[23]) * 0x2D413) >> 0x10) + v[0] + v[1] + v[3]; |
| 511 | /* 0x16A8 */ |
| 512 | /* Save v[0] -> (T3 + 0xFFE0) */ |
| 513 | *(int16_t *)(mp3data + ((t3 + (short)0xFFE0))) = (short) - v[0]; |
| 514 | v[8] = v[24] + v[25]; |
| 515 | v[9] = ((v[24] - v[25]) * 0x16A09) >> 0x10; |
| 516 | v[10] = ((v[26] + v[27]) << 1) + v[8]; |
| 517 | v[11] = (((v[26] - v[27]) * 0x2D413) >> 0x10) + v[8] + v[9]; |
| 518 | v[12] = v[4] - ((v[28] + v[29]) << 1); |
| 519 | /* ** Store v12 -> (T2 + 0x20) */ |
| 520 | *(int16_t *)(mp3data + ((t2 + (short)0x20))) = (short)v[12]; |
| 521 | v[13] = (((v[28] - v[29]) * 0x2D413) >> 0x10) - v[12] - v[5]; |
| 522 | v[14] = v[30] + v[31]; |
| 523 | v[14] = v[14] + v[14]; |
| 524 | v[14] = v[14] + v[14]; |
| 525 | v[14] = v[6] - v[14]; |
| 526 | v[15] = (((v[30] - v[31]) * 0x5A827) >> 0x10) - v[7]; |
| 527 | /* Store v14 -> (T5 + 0x20) */ |
| 528 | *(int16_t *)(mp3data + ((t5 + (short)0x20))) = (short)v[14]; |
| 529 | v[14] = v[14] + v[1]; |
| 530 | /* Store v[14] -> (T6 + 0x20) */ |
| 531 | *(int16_t *)(mp3data + ((t6 + (short)0x20))) = (short)v[14]; |
| 532 | /* Store v[15] -> (T1 + 0xFFE0) */ |
| 533 | *(int16_t *)(mp3data + ((t1 + (short)0xFFE0))) = (short)v[15]; |
| 534 | v[9] = v[9] + v[10]; |
| 535 | v[1] = v[1] + v[6]; |
| 536 | v[6] = v[10] - v[6]; |
| 537 | v[1] = v[9] - v[1]; |
| 538 | /* Store v[6] -> (T5 + 0x60) */ |
| 539 | *(int16_t *)(mp3data + ((t5 + (short)0x60))) = (short)v[6]; |
| 540 | v[10] = v[10] + v[2]; |
| 541 | v[10] = v[4] - v[10]; |
| 542 | /* Store v[10] -> (T2 + 0xFFA0) */ |
| 543 | *(int16_t *)(mp3data + ((t2 + (short)0xFFA0))) = (short)v[10]; |
| 544 | v[12] = v[2] - v[12]; |
| 545 | /* Store v[12] -> (T2 + 0xFFE0) */ |
| 546 | *(int16_t *)(mp3data + ((t2 + (short)0xFFE0))) = (short)v[12]; |
| 547 | v[5] = v[4] + v[5]; |
| 548 | v[4] = v[8] - v[4]; |
| 549 | /* Store v[4] -> (T2 + 0x60) */ |
| 550 | *(int16_t *)(mp3data + ((t2 + (short)0x60))) = (short)v[4]; |
| 551 | v[0] = v[0] - v[8]; |
| 552 | /* Store v[0] -> (T3 + 0xFFA0) */ |
| 553 | *(int16_t *)(mp3data + ((t3 + (short)0xFFA0))) = (short)v[0]; |
| 554 | v[7] = v[7] - v[11]; |
| 555 | /* Store v[7] -> (T1 + 0xFFA0) */ |
| 556 | *(int16_t *)(mp3data + ((t1 + (short)0xFFA0))) = (short)v[7]; |
| 557 | v[11] = v[11] - v[3]; |
| 558 | /* Store v[1] -> (T6 + 0x60) */ |
| 559 | *(int16_t *)(mp3data + ((t6 + (short)0x60))) = (short)v[1]; |
| 560 | v[11] = v[11] - v[5]; |
| 561 | /* Store v[11] -> (T0 + 0x60) */ |
| 562 | *(int16_t *)(mp3data + ((t0 + (short)0x60))) = (short)v[11]; |
| 563 | v[3] = v[3] - v[13]; |
| 564 | /* Store v[3] -> (T0 + 0x20) */ |
| 565 | *(int16_t *)(mp3data + ((t0 + (short)0x20))) = (short)v[3]; |
| 566 | v[13] = v[13] + v[2]; |
| 567 | /* Store v[13] -> (T0 + 0xFFE0) */ |
| 568 | *(int16_t *)(mp3data + ((t0 + (short)0xFFE0))) = (short)v[13]; |
| 569 | v[2] = (v[5] - v[2]) - v[9]; |
| 570 | /* Store v[2] -> (T0 + 0xFFA0) */ |
| 571 | *(int16_t *)(mp3data + ((t0 + (short)0xFFA0))) = (short)v[2]; |
| 572 | /* 0x7A8 - Verified... */ |
| 573 | |
| 574 | /* Step 8 - Dewindowing */ |
| 575 | |
| 576 | addptr = t6 & 0xFFE0; |
| 577 | |
| 578 | offset = 0x10 - (t4 >> 1); |
| 579 | for (x = 0; x < 8; x++) { |
| 580 | int32_t v0; |
| 581 | int32_t v18; |
| 582 | v2 = v4 = v6 = v8 = 0; |
| 583 | |
| 584 | for (i = 7; i >= 0; i--) { |
| 585 | v2 += ((int) * (int16_t *)(mp3data + (addptr) + 0x00) * (short)DeWindowLUT[offset + 0x00] + 0x4000) >> 0xF; |
| 586 | v4 += ((int) * (int16_t *)(mp3data + (addptr) + 0x10) * (short)DeWindowLUT[offset + 0x08] + 0x4000) >> 0xF; |
| 587 | v6 += ((int) * (int16_t *)(mp3data + (addptr) + 0x20) * (short)DeWindowLUT[offset + 0x20] + 0x4000) >> 0xF; |
| 588 | v8 += ((int) * (int16_t *)(mp3data + (addptr) + 0x30) * (short)DeWindowLUT[offset + 0x28] + 0x4000) >> 0xF; |
| 589 | addptr += 2; |
| 590 | offset++; |
| 591 | } |
| 592 | v0 = v2 + v4; |
| 593 | v18 = v6 + v8; |
| 594 | /* Clamp(v0); */ |
| 595 | /* Clamp(v18); */ |
| 596 | /* clamp??? */ |
| 597 | *(int16_t *)(mp3data + (outPtr ^ S16)) = v0; |
| 598 | *(int16_t *)(mp3data + ((outPtr + 2)^S16)) = v18; |
| 599 | outPtr += 4; |
| 600 | addptr += 0x30; |
| 601 | offset += 0x38; |
| 602 | } |
| 603 | |
| 604 | offset = 0x10 - (t4 >> 1) + 8 * 0x40; |
| 605 | v2 = v4 = 0; |
| 606 | for (i = 0; i < 4; i++) { |
| 607 | v2 += ((int) * (int16_t *)(mp3data + (addptr) + 0x00) * (short)DeWindowLUT[offset + 0x00] + 0x4000) >> 0xF; |
| 608 | v2 += ((int) * (int16_t *)(mp3data + (addptr) + 0x10) * (short)DeWindowLUT[offset + 0x08] + 0x4000) >> 0xF; |
| 609 | addptr += 2; |
| 610 | offset++; |
| 611 | v4 += ((int) * (int16_t *)(mp3data + (addptr) + 0x00) * (short)DeWindowLUT[offset + 0x00] + 0x4000) >> 0xF; |
| 612 | v4 += ((int) * (int16_t *)(mp3data + (addptr) + 0x10) * (short)DeWindowLUT[offset + 0x08] + 0x4000) >> 0xF; |
| 613 | addptr += 2; |
| 614 | offset++; |
| 615 | } |
| 616 | mult6 = *(int32_t *)(mp3data + 0xCE8); |
| 617 | mult4 = *(int32_t *)(mp3data + 0xCEC); |
| 618 | if (t4 & 0x2) { |
| 619 | v2 = (v2 **(uint32_t *)(mp3data + 0xCE8)) >> 0x10; |
| 620 | *(int16_t *)(mp3data + (outPtr ^ S16)) = v2; |
| 621 | } else { |
| 622 | v4 = (v4 **(uint32_t *)(mp3data + 0xCE8)) >> 0x10; |
| 623 | *(int16_t *)(mp3data + (outPtr ^ S16)) = v4; |
| 624 | mult4 = *(uint32_t *)(mp3data + 0xCE8); |
| 625 | } |
| 626 | addptr -= 0x50; |
| 627 | |
| 628 | for (x = 0; x < 8; x++) { |
| 629 | int32_t v0; |
| 630 | int32_t v18; |
| 631 | v2 = v4 = v6 = v8 = 0; |
| 632 | |
| 633 | offset = (0x22F - (t4 >> 1) + x * 0x40); |
| 634 | |
| 635 | for (i = 0; i < 4; i++) { |
| 636 | v2 += ((int) * (int16_t *)(mp3data + (addptr) + 0x20) * (short)DeWindowLUT[offset + 0x00] + 0x4000) >> 0xF; |
| 637 | v2 -= ((int) * (int16_t *)(mp3data + ((addptr + 2)) + 0x20) * (short)DeWindowLUT[offset + 0x01] + 0x4000) >> 0xF; |
| 638 | v4 += ((int) * (int16_t *)(mp3data + (addptr) + 0x30) * (short)DeWindowLUT[offset + 0x08] + 0x4000) >> 0xF; |
| 639 | v4 -= ((int) * (int16_t *)(mp3data + ((addptr + 2)) + 0x30) * (short)DeWindowLUT[offset + 0x09] + 0x4000) >> 0xF; |
| 640 | v6 += ((int) * (int16_t *)(mp3data + (addptr) + 0x00) * (short)DeWindowLUT[offset + 0x20] + 0x4000) >> 0xF; |
| 641 | v6 -= ((int) * (int16_t *)(mp3data + ((addptr + 2)) + 0x00) * (short)DeWindowLUT[offset + 0x21] + 0x4000) >> 0xF; |
| 642 | v8 += ((int) * (int16_t *)(mp3data + (addptr) + 0x10) * (short)DeWindowLUT[offset + 0x28] + 0x4000) >> 0xF; |
| 643 | v8 -= ((int) * (int16_t *)(mp3data + ((addptr + 2)) + 0x10) * (short)DeWindowLUT[offset + 0x29] + 0x4000) >> 0xF; |
| 644 | addptr += 4; |
| 645 | offset += 2; |
| 646 | } |
| 647 | v0 = v2 + v4; |
| 648 | v18 = v6 + v8; |
| 649 | /* Clamp(v0); */ |
| 650 | /* Clamp(v18); */ |
| 651 | /* clamp??? */ |
| 652 | *(int16_t *)(mp3data + ((outPtr + 2)^S16)) = v0; |
| 653 | *(int16_t *)(mp3data + ((outPtr + 4)^S16)) = v18; |
| 654 | outPtr += 4; |
| 655 | addptr -= 0x50; |
| 656 | } |
| 657 | |
| 658 | tmp = outPtr; |
| 659 | hi0 = mult6; |
| 660 | hi1 = mult4; |
| 661 | |
| 662 | hi0 = (int)hi0 >> 0x10; |
| 663 | hi1 = (int)hi1 >> 0x10; |
| 664 | for (i = 0; i < 8; i++) { |
| 665 | /* v0 */ |
| 666 | vt = (*(int16_t *)(mp3data + ((tmp - 0x40)^S16)) * hi0); |
| 667 | if (vt > 32767) { |
| 668 | vt = 32767; |
| 669 | } else { |
| 670 | if (vt < -32767) |
| 671 | vt = -32767; |
| 672 | } |
| 673 | *(int16_t *)((uint8_t *)mp3data + ((tmp - 0x40)^S16)) = (int16_t)vt; |
| 674 | |
| 675 | /* v17 */ |
| 676 | vt = (*(int16_t *)(mp3data + ((tmp - 0x30)^S16)) * hi0); |
| 677 | if (vt > 32767) { |
| 678 | vt = 32767; |
| 679 | } else { |
| 680 | if (vt < -32767) |
| 681 | vt = -32767; |
| 682 | } |
| 683 | *(int16_t *)((uint8_t *)mp3data + ((tmp - 0x30)^S16)) = vt; |
| 684 | |
| 685 | /* v2 */ |
| 686 | vt = (*(int16_t *)(mp3data + ((tmp - 0x1E)^S16)) * hi1); |
| 687 | if (vt > 32767) { |
| 688 | vt = 32767; |
| 689 | } else { |
| 690 | if (vt < -32767) |
| 691 | vt = -32767; |
| 692 | } |
| 693 | *(int16_t *)((uint8_t *)mp3data + ((tmp - 0x1E)^S16)) = vt; |
| 694 | |
| 695 | /* v4 */ |
| 696 | vt = (*(int16_t *)(mp3data + ((tmp - 0xE)^S16)) * hi1); |
| 697 | if (vt > 32767) { |
| 698 | vt = 32767; |
| 699 | } else { |
| 700 | if (vt < -32767) |
| 701 | vt = -32767; |
| 702 | } |
| 703 | *(int16_t *)((uint8_t *)mp3data + ((tmp - 0xE)^S16)) = vt; |
| 704 | tmp += 2; |
| 705 | } |
| 706 | } |
| 707 | |
notaz.gp2x.de / mupen64plus-pandora.git / blame