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 | |