// Project64 - A Nintendo 64 emulator // https://www.pj64-emu.com/ // Copyright(C) 2001-2021 Project64 // Copyright(C) 2014 Bobby Smiles // Copyright(C) 2009 Richard Goedeken // Copyright(C) 2002 Hacktarux // GNU/GPLv2 licensed: https://gnu.org/licenses/gpl-2.0.html #include "stdafx.h" #include #include "arithmetics.h" #include "mem.h" static void InnerLoop(CHle * hle, uint32_t outPtr, uint32_t inPtr, uint32_t t6, uint32_t t5, uint32_t t4); static const uint16_t DeWindowLUT [0x420] = { 0x0000, 0xFFF3, 0x005D, 0xFF38, 0x037A, 0xF736, 0x0B37, 0xC00E, 0x7FFF, 0x3FF2, 0x0B37, 0x08CA, 0x037A, 0x00C8, 0x005D, 0x000D, 0x0000, 0xFFF3, 0x005D, 0xFF38, 0x037A, 0xF736, 0x0B37, 0xC00E, 0x7FFF, 0x3FF2, 0x0B37, 0x08CA, 0x037A, 0x00C8, 0x005D, 0x000D, 0x0000, 0xFFF2, 0x005F, 0xFF1D, 0x0369, 0xF697, 0x0A2A, 0xBCE7, 0x7FEB, 0x3CCB, 0x0C2B, 0x082B, 0x0385, 0x00AF, 0x005B, 0x000B, 0x0000, 0xFFF2, 0x005F, 0xFF1D, 0x0369, 0xF697, 0x0A2A, 0xBCE7, 0x7FEB, 0x3CCB, 0x0C2B, 0x082B, 0x0385, 0x00AF, 0x005B, 0x000B, 0x0000, 0xFFF1, 0x0061, 0xFF02, 0x0354, 0xF5F9, 0x0905, 0xB9C4, 0x7FB0, 0x39A4, 0x0D08, 0x078C, 0x038C, 0x0098, 0x0058, 0x000A, 0x0000, 0xFFF1, 0x0061, 0xFF02, 0x0354, 0xF5F9, 0x0905, 0xB9C4, 0x7FB0, 0x39A4, 0x0D08, 0x078C, 0x038C, 0x0098, 0x0058, 0x000A, 0x0000, 0xFFEF, 0x0062, 0xFEE6, 0x033B, 0xF55C, 0x07C8, 0xB6A4, 0x7F4D, 0x367E, 0x0DCE, 0x06EE, 0x038F, 0x0080, 0x0056, 0x0009, 0x0000, 0xFFEF, 0x0062, 0xFEE6, 0x033B, 0xF55C, 0x07C8, 0xB6A4, 0x7F4D, 0x367E, 0x0DCE, 0x06EE, 0x038F, 0x0080, 0x0056, 0x0009, 0x0000, 0xFFEE, 0x0063, 0xFECA, 0x031C, 0xF4C3, 0x0671, 0xB38C, 0x7EC2, 0x335D, 0x0E7C, 0x0652, 0x038E, 0x006B, 0x0053, 0x0008, 0x0000, 0xFFEE, 0x0063, 0xFECA, 0x031C, 0xF4C3, 0x0671, 0xB38C, 0x7EC2, 0x335D, 0x0E7C, 0x0652, 0x038E, 0x006B, 0x0053, 0x0008, 0x0000, 0xFFEC, 0x0064, 0xFEAC, 0x02F7, 0xF42C, 0x0502, 0xB07C, 0x7E12, 0x3041, 0x0F14, 0x05B7, 0x038A, 0x0056, 0x0050, 0x0007, 0x0000, 0xFFEC, 0x0064, 0xFEAC, 0x02F7, 0xF42C, 0x0502, 0xB07C, 0x7E12, 0x3041, 0x0F14, 0x05B7, 0x038A, 0x0056, 0x0050, 0x0007, 0x0000, 0xFFEB, 0x0064, 0xFE8E, 0x02CE, 0xF399, 0x037A, 0xAD75, 0x7D3A, 0x2D2C, 0x0F97, 0x0520, 0x0382, 0x0043, 0x004D, 0x0007, 0x0000, 0xFFEB, 0x0064, 0xFE8E, 0x02CE, 0xF399, 0x037A, 0xAD75, 0x7D3A, 0x2D2C, 0x0F97, 0x0520, 0x0382, 0x0043, 0x004D, 0x0007, 0xFFFF, 0xFFE9, 0x0063, 0xFE6F, 0x029E, 0xF30B, 0x01D8, 0xAA7B, 0x7C3D, 0x2A1F, 0x1004, 0x048B, 0x0377, 0x0030, 0x004A, 0x0006, 0xFFFF, 0xFFE9, 0x0063, 0xFE6F, 0x029E, 0xF30B, 0x01D8, 0xAA7B, 0x7C3D, 0x2A1F, 0x1004, 0x048B, 0x0377, 0x0030, 0x004A, 0x0006, 0xFFFF, 0xFFE7, 0x0062, 0xFE4F, 0x0269, 0xF282, 0x001F, 0xA78D, 0x7B1A, 0x271C, 0x105D, 0x03F9, 0x036A, 0x001F, 0x0046, 0x0006, 0xFFFF, 0xFFE7, 0x0062, 0xFE4F, 0x0269, 0xF282, 0x001F, 0xA78D, 0x7B1A, 0x271C, 0x105D, 0x03F9, 0x036A, 0x001F, 0x0046, 0x0006, 0xFFFF, 0xFFE4, 0x0061, 0xFE2F, 0x022F, 0xF1FF, 0xFE4C, 0xA4AF, 0x79D3, 0x2425, 0x10A2, 0x036C, 0x0359, 0x0010, 0x0043, 0x0005, 0xFFFF, 0xFFE4, 0x0061, 0xFE2F, 0x022F, 0xF1FF, 0xFE4C, 0xA4AF, 0x79D3, 0x2425, 0x10A2, 0x036C, 0x0359, 0x0010, 0x0043, 0x0005, 0xFFFF, 0xFFE2, 0x005E, 0xFE10, 0x01EE, 0xF184, 0xFC61, 0xA1E1, 0x7869, 0x2139, 0x10D3, 0x02E3, 0x0346, 0x0001, 0x0040, 0x0004, 0xFFFF, 0xFFE2, 0x005E, 0xFE10, 0x01EE, 0xF184, 0xFC61, 0xA1E1, 0x7869, 0x2139, 0x10D3, 0x02E3, 0x0346, 0x0001, 0x0040, 0x0004, 0xFFFF, 0xFFE0, 0x005B, 0xFDF0, 0x01A8, 0xF111, 0xFA5F, 0x9F27, 0x76DB, 0x1E5C, 0x10F2, 0x025E, 0x0331, 0xFFF3, 0x003D, 0x0004, 0xFFFF, 0xFFE0, 0x005B, 0xFDF0, 0x01A8, 0xF111, 0xFA5F, 0x9F27, 0x76DB, 0x1E5C, 0x10F2, 0x025E, 0x0331, 0xFFF3, 0x003D, 0x0004, 0xFFFF, 0xFFDE, 0x0057, 0xFDD0, 0x015B, 0xF0A7, 0xF845, 0x9C80, 0x752C, 0x1B8E, 0x1100, 0x01DE, 0x0319, 0xFFE7, 0x003A, 0x0003, 0xFFFF, 0xFFDE, 0x0057, 0xFDD0, 0x015B, 0xF0A7, 0xF845, 0x9C80, 0x752C, 0x1B8E, 0x1100, 0x01DE, 0x0319, 0xFFE7, 0x003A, 0x0003, 0xFFFE, 0xFFDB, 0x0053, 0xFDB0, 0x0108, 0xF046, 0xF613, 0x99EE, 0x735C, 0x18D1, 0x10FD, 0x0163, 0x0300, 0xFFDC, 0x0037, 0x0003, 0xFFFE, 0xFFDB, 0x0053, 0xFDB0, 0x0108, 0xF046, 0xF613, 0x99EE, 0x735C, 0x18D1, 0x10FD, 0x0163, 0x0300, 0xFFDC, 0x0037, 0x0003, 0xFFFE, 0xFFD8, 0x004D, 0xFD90, 0x00B0, 0xEFF0, 0xF3CC, 0x9775, 0x716C, 0x1624, 0x10EA, 0x00EE, 0x02E5, 0xFFD2, 0x0033, 0x0003, 0xFFFE, 0xFFD8, 0x004D, 0xFD90, 0x00B0, 0xEFF0, 0xF3CC, 0x9775, 0x716C, 0x1624, 0x10EA, 0x00EE, 0x02E5, 0xFFD2, 0x0033, 0x0003, 0xFFFE, 0xFFD6, 0x0047, 0xFD72, 0x0051, 0xEFA6, 0xF16F, 0x9514, 0x6F5E, 0x138A, 0x10C8, 0x007E, 0x02CA, 0xFFC9, 0x0030, 0x0003, 0xFFFE, 0xFFD6, 0x0047, 0xFD72, 0x0051, 0xEFA6, 0xF16F, 0x9514, 0x6F5E, 0x138A, 0x10C8, 0x007E, 0x02CA, 0xFFC9, 0x0030, 0x0003, 0xFFFE, 0xFFD3, 0x0040, 0xFD54, 0xFFEC, 0xEF68, 0xEEFC, 0x92CD, 0x6D33, 0x1104, 0x1098, 0x0014, 0x02AC, 0xFFC0, 0x002D, 0x0002, 0xFFFE, 0xFFD3, 0x0040, 0xFD54, 0xFFEC, 0xEF68, 0xEEFC, 0x92CD, 0x6D33, 0x1104, 0x1098, 0x0014, 0x02AC, 0xFFC0, 0x002D, 0x0002, 0x0030, 0xFFC9, 0x02CA, 0x007E, 0x10C8, 0x138A, 0x6F5E, 0x9514, 0xF16F, 0xEFA6, 0x0051, 0xFD72, 0x0047, 0xFFD6, 0xFFFE, 0x0003, 0x0030, 0xFFC9, 0x02CA, 0x007E, 0x10C8, 0x138A, 0x6F5E, 0x9514, 0xF16F, 0xEFA6, 0x0051, 0xFD72, 0x0047, 0xFFD6, 0xFFFE, 0x0003, 0x0033, 0xFFD2, 0x02E5, 0x00EE, 0x10EA, 0x1624, 0x716C, 0x9775, 0xF3CC, 0xEFF0, 0x00B0, 0xFD90, 0x004D, 0xFFD8, 0xFFFE, 0x0003, 0x0033, 0xFFD2, 0x02E5, 0x00EE, 0x10EA, 0x1624, 0x716C, 0x9775, 0xF3CC, 0xEFF0, 0x00B0, 0xFD90, 0x004D, 0xFFD8, 0xFFFE, 0x0003, 0x0037, 0xFFDC, 0x0300, 0x0163, 0x10FD, 0x18D1, 0x735C, 0x99EE, 0xF613, 0xF046, 0x0108, 0xFDB0, 0x0053, 0xFFDB, 0xFFFE, 0x0003, 0x0037, 0xFFDC, 0x0300, 0x0163, 0x10FD, 0x18D1, 0x735C, 0x99EE, 0xF613, 0xF046, 0x0108, 0xFDB0, 0x0053, 0xFFDB, 0xFFFE, 0x0003, 0x003A, 0xFFE7, 0x0319, 0x01DE, 0x1100, 0x1B8E, 0x752C, 0x9C80, 0xF845, 0xF0A7, 0x015B, 0xFDD0, 0x0057, 0xFFDE, 0xFFFF, 0x0003, 0x003A, 0xFFE7, 0x0319, 0x01DE, 0x1100, 0x1B8E, 0x752C, 0x9C80, 0xF845, 0xF0A7, 0x015B, 0xFDD0, 0x0057, 0xFFDE, 0xFFFF, 0x0004, 0x003D, 0xFFF3, 0x0331, 0x025E, 0x10F2, 0x1E5C, 0x76DB, 0x9F27, 0xFA5F, 0xF111, 0x01A8, 0xFDF0, 0x005B, 0xFFE0, 0xFFFF, 0x0004, 0x003D, 0xFFF3, 0x0331, 0x025E, 0x10F2, 0x1E5C, 0x76DB, 0x9F27, 0xFA5F, 0xF111, 0x01A8, 0xFDF0, 0x005B, 0xFFE0, 0xFFFF, 0x0004, 0x0040, 0x0001, 0x0346, 0x02E3, 0x10D3, 0x2139, 0x7869, 0xA1E1, 0xFC61, 0xF184, 0x01EE, 0xFE10, 0x005E, 0xFFE2, 0xFFFF, 0x0004, 0x0040, 0x0001, 0x0346, 0x02E3, 0x10D3, 0x2139, 0x7869, 0xA1E1, 0xFC61, 0xF184, 0x01EE, 0xFE10, 0x005E, 0xFFE2, 0xFFFF, 0x0005, 0x0043, 0x0010, 0x0359, 0x036C, 0x10A2, 0x2425, 0x79D3, 0xA4AF, 0xFE4C, 0xF1FF, 0x022F, 0xFE2F, 0x0061, 0xFFE4, 0xFFFF, 0x0005, 0x0043, 0x0010, 0x0359, 0x036C, 0x10A2, 0x2425, 0x79D3, 0xA4AF, 0xFE4C, 0xF1FF, 0x022F, 0xFE2F, 0x0061, 0xFFE4, 0xFFFF, 0x0006, 0x0046, 0x001F, 0x036A, 0x03F9, 0x105D, 0x271C, 0x7B1A, 0xA78D, 0x001F, 0xF282, 0x0269, 0xFE4F, 0x0062, 0xFFE7, 0xFFFF, 0x0006, 0x0046, 0x001F, 0x036A, 0x03F9, 0x105D, 0x271C, 0x7B1A, 0xA78D, 0x001F, 0xF282, 0x0269, 0xFE4F, 0x0062, 0xFFE7, 0xFFFF, 0x0006, 0x004A, 0x0030, 0x0377, 0x048B, 0x1004, 0x2A1F, 0x7C3D, 0xAA7B, 0x01D8, 0xF30B, 0x029E, 0xFE6F, 0x0063, 0xFFE9, 0xFFFF, 0x0006, 0x004A, 0x0030, 0x0377, 0x048B, 0x1004, 0x2A1F, 0x7C3D, 0xAA7B, 0x01D8, 0xF30B, 0x029E, 0xFE6F, 0x0063, 0xFFE9, 0xFFFF, 0x0007, 0x004D, 0x0043, 0x0382, 0x0520, 0x0F97, 0x2D2C, 0x7D3A, 0xAD75, 0x037A, 0xF399, 0x02CE, 0xFE8E, 0x0064, 0xFFEB, 0x0000, 0x0007, 0x004D, 0x0043, 0x0382, 0x0520, 0x0F97, 0x2D2C, 0x7D3A, 0xAD75, 0x037A, 0xF399, 0x02CE, 0xFE8E, 0x0064, 0xFFEB, 0x0000, 0x0007, 0x0050, 0x0056, 0x038A, 0x05B7, 0x0F14, 0x3041, 0x7E12, 0xB07C, 0x0502, 0xF42C, 0x02F7, 0xFEAC, 0x0064, 0xFFEC, 0x0000, 0x0007, 0x0050, 0x0056, 0x038A, 0x05B7, 0x0F14, 0x3041, 0x7E12, 0xB07C, 0x0502, 0xF42C, 0x02F7, 0xFEAC, 0x0064, 0xFFEC, 0x0000, 0x0008, 0x0053, 0x006B, 0x038E, 0x0652, 0x0E7C, 0x335D, 0x7EC2, 0xB38C, 0x0671, 0xF4C3, 0x031C, 0xFECA, 0x0063, 0xFFEE, 0x0000, 0x0008, 0x0053, 0x006B, 0x038E, 0x0652, 0x0E7C, 0x335D, 0x7EC2, 0xB38C, 0x0671, 0xF4C3, 0x031C, 0xFECA, 0x0063, 0xFFEE, 0x0000, 0x0009, 0x0056, 0x0080, 0x038F, 0x06EE, 0x0DCE, 0x367E, 0x7F4D, 0xB6A4, 0x07C8, 0xF55C, 0x033B, 0xFEE6, 0x0062, 0xFFEF, 0x0000, 0x0009, 0x0056, 0x0080, 0x038F, 0x06EE, 0x0DCE, 0x367E, 0x7F4D, 0xB6A4, 0x07C8, 0xF55C, 0x033B, 0xFEE6, 0x0062, 0xFFEF, 0x0000, 0x000A, 0x0058, 0x0098, 0x038C, 0x078C, 0x0D08, 0x39A4, 0x7FB0, 0xB9C4, 0x0905, 0xF5F9, 0x0354, 0xFF02, 0x0061, 0xFFF1, 0x0000, 0x000A, 0x0058, 0x0098, 0x038C, 0x078C, 0x0D08, 0x39A4, 0x7FB0, 0xB9C4, 0x0905, 0xF5F9, 0x0354, 0xFF02, 0x0061, 0xFFF1, 0x0000, 0x000B, 0x005B, 0x00AF, 0x0385, 0x082B, 0x0C2B, 0x3CCB, 0x7FEB, 0xBCE7, 0x0A2A, 0xF697, 0x0369, 0xFF1D, 0x005F, 0xFFF2, 0x0000, 0x000B, 0x005B, 0x00AF, 0x0385, 0x082B, 0x0C2B, 0x3CCB, 0x7FEB, 0xBCE7, 0x0A2A, 0xF697, 0x0369, 0xFF1D, 0x005F, 0xFFF2, 0x0000, 0x000D, 0x005D, 0x00C8, 0x037A, 0x08CA, 0x0B37, 0x3FF2, 0x7FFF, 0xC00E, 0x0B37, 0xF736, 0x037A, 0xFF38, 0x005D, 0xFFF3, 0x0000, 0x000D, 0x005D, 0x00C8, 0x037A, 0x08CA, 0x0B37, 0x3FF2, 0x7FFF, 0xC00E, 0x0B37, 0xF736, 0x037A, 0xFF38, 0x005D, 0xFFF3, 0x0000, 0x0000 }; static void MP3AB0(int32_t* v) { // Part 2 - 100% accurate static const uint16_t LUT2[8] = { 0xFEC4, 0xF4FA, 0xC5E4, 0xE1C4, 0x1916, 0x4A50, 0xA268, 0x78AE }; static const uint16_t LUT3[4] = { 0xFB14, 0xD4DC, 0x31F2, 0x8E3A }; int i; for (i = 0; i < 8; i++) { v[16 + i] = v[0 + i] + v[8 + i]; v[24 + i] = ((v[0 + i] - v[8 + i]) * LUT2[i]) >> 0x10; } // Part 3: 4-wide butterflies for (i = 0; i < 4; i++) { v[0 + i] = v[16 + i] + v[20 + i]; v[4 + i] = ((v[16 + i] - v[20 + i]) * LUT3[i]) >> 0x10; v[8 + i] = v[24 + i] + v[28 + i]; v[12 + i] = ((v[24 + i] - v[28 + i]) * LUT3[i]) >> 0x10; } // Part 4: 2-wide butterflies - 100% accurate for (i = 0; i < 16; i += 4) { v[16 + i] = v[0 + i] + v[2 + i]; v[18 + i] = ((v[0 + i] - v[2 + i]) * 0xEC84) >> 0x10; v[17 + i] = v[1 + i] + v[3 + i]; v[19 + i] = ((v[1 + i] - v[3 + i]) * 0x61F8) >> 0x10; } } void mp3_task(CHle * hle, unsigned int index, uint32_t address) { uint32_t inPtr, outPtr; uint32_t t6;// = 0x08A0; - I think these are temporary storage buffers uint32_t t5;// = 0x0AC0; uint32_t t4;// = (w1 & 0x1E); // Initialization code uint32_t readPtr; // S5 uint32_t writePtr; // S6 uint32_t tmp; int cnt, cnt2; // I think these are temporary storage buffers t6 = 0x08A0; t5 = 0x0AC0; t4 = index; writePtr = readPtr = address; // TODO: Just do that for efficiency...may remove and use directly later anyway memcpy(hle->mp3_buffer() + 0xCE8, hle->dram() + readPtr, 8); // This must be a header byte or what not readPtr += 8; for (cnt = 0; cnt < 0x480; cnt += 0x180) { // DMA: 0xCF0 <- RDRAM[s5] : 0x180 memcpy(hle->mp3_buffer() + 0xCF0, hle->dram() + readPtr, 0x180); inPtr = 0xCF0; // S7 outPtr = 0xE70; // S3 // Inner loop start for (cnt2 = 0; cnt2 < 0x180; cnt2 += 0x40) { t6 &= 0xFFE0; t5 &= 0xFFE0; t6 |= t4; t5 |= t4; InnerLoop(hle, outPtr, inPtr, t6, t5, t4); t4 = (t4 - 2) & 0x1E; tmp = t6; t6 = t5; t5 = tmp; inPtr += 0x40; outPtr += 0x40; } // Inner loop end memcpy(hle->dram() + writePtr, hle->mp3_buffer() + 0xe70, 0x180); writePtr += 0x180; readPtr += 0x180; } } static void InnerLoop(CHle * hle, uint32_t outPtr, uint32_t inPtr, uint32_t t6, uint32_t t5, uint32_t t4) { // Part 1: 100% accurate // 0, 1, 3, 2, 7, 6, 4, 5, 7, 6, 4, 5, 0, 1, 3, 2 static const uint16_t LUT6[16] = { 0xFFB2, 0xFD3A, 0xF10A, 0xF854, 0xBDAE, 0xCDA0, 0xE76C, 0xDB94, 0x1920, 0x4B20, 0xAC7C, 0x7C68, 0xABEC, 0x9880, 0xDAE8, 0x839C }; int i; uint32_t t0; uint32_t t1; uint32_t t2; uint32_t t3; int32_t v2 = 0, v4 = 0, v6 = 0, v8 = 0; uint32_t offset; uint32_t addptr; int x; int32_t mult6; int32_t mult4; int tmp; int32_t hi0; int32_t hi1; int32_t vt; int32_t v[32]; v[0] = *(int16_t *)(hle->mp3_buffer() + inPtr + (0x00 ^ S16)); v[31] = *(int16_t *)(hle->mp3_buffer() + inPtr + (0x3E ^ S16)); v[0] += v[31]; v[1] = *(int16_t *)(hle->mp3_buffer() + inPtr + (0x02 ^ S16)); v[30] = *(int16_t *)(hle->mp3_buffer() + inPtr + (0x3C ^ S16)); v[1] += v[30]; v[2] = *(int16_t *)(hle->mp3_buffer() + inPtr + (0x06 ^ S16)); v[28] = *(int16_t *)(hle->mp3_buffer() + inPtr + (0x38 ^ S16)); v[2] += v[28]; v[3] = *(int16_t *)(hle->mp3_buffer() + inPtr + (0x04 ^ S16)); v[29] = *(int16_t *)(hle->mp3_buffer() + inPtr + (0x3A ^ S16)); v[3] += v[29]; v[4] = *(int16_t *)(hle->mp3_buffer() + inPtr + (0x0E ^ S16)); v[24] = *(int16_t *)(hle->mp3_buffer() + inPtr + (0x30 ^ S16)); v[4] += v[24]; v[5] = *(int16_t *)(hle->mp3_buffer() + inPtr + (0x0C ^ S16)); v[25] = *(int16_t *)(hle->mp3_buffer() + inPtr + (0x32 ^ S16)); v[5] += v[25]; v[6] = *(int16_t *)(hle->mp3_buffer() + inPtr + (0x08 ^ S16)); v[27] = *(int16_t *)(hle->mp3_buffer() + inPtr + (0x36 ^ S16)); v[6] += v[27]; v[7] = *(int16_t *)(hle->mp3_buffer() + inPtr + (0x0A ^ S16)); v[26] = *(int16_t *)(hle->mp3_buffer() + inPtr + (0x34 ^ S16)); v[7] += v[26]; v[8] = *(int16_t *)(hle->mp3_buffer() + inPtr + (0x1E ^ S16)); v[16] = *(int16_t *)(hle->mp3_buffer() + inPtr + (0x20 ^ S16)); v[8] += v[16]; v[9] = *(int16_t *)(hle->mp3_buffer() + inPtr + (0x1C ^ S16)); v[17] = *(int16_t *)(hle->mp3_buffer() + inPtr + (0x22 ^ S16)); v[9] += v[17]; v[10] = *(int16_t *)(hle->mp3_buffer() + inPtr + (0x18 ^ S16)); v[19] = *(int16_t *)(hle->mp3_buffer() + inPtr + (0x26 ^ S16)); v[10] += v[19]; v[11] = *(int16_t *)(hle->mp3_buffer() + inPtr + (0x1A ^ S16)); v[18] = *(int16_t *)(hle->mp3_buffer() + inPtr + (0x24 ^ S16)); v[11] += v[18]; v[12] = *(int16_t *)(hle->mp3_buffer() + inPtr + (0x10 ^ S16)); v[23] = *(int16_t *)(hle->mp3_buffer() + inPtr + (0x2E ^ S16)); v[12] += v[23]; v[13] = *(int16_t *)(hle->mp3_buffer() + inPtr + (0x12 ^ S16)); v[22] = *(int16_t *)(hle->mp3_buffer() + inPtr + (0x2C ^ S16)); v[13] += v[22]; v[14] = *(int16_t *)(hle->mp3_buffer() + inPtr + (0x16 ^ S16)); v[20] = *(int16_t *)(hle->mp3_buffer() + inPtr + (0x28 ^ S16)); v[14] += v[20]; v[15] = *(int16_t *)(hle->mp3_buffer() + inPtr + (0x14 ^ S16)); v[21] = *(int16_t *)(hle->mp3_buffer() + inPtr + (0x2A ^ S16)); v[15] += v[21]; // Part 2-4 MP3AB0(v); // Part 5 - 1-wide butterflies - 100% accurate but need SSVs! t0 = t6 + 0x100; t1 = t6 + 0x200; t2 = t5 + 0x100; t3 = t5 + 0x200; // 0x13A8 v[1] = 0; v[11] = ((v[16] - v[17]) * 0xB504) >> 0x10; v[16] = -v[16] - v[17]; v[2] = v[18] + v[19]; // ** Store v[11] -> (T6 + 0)** *(int16_t *)(hle->mp3_buffer() + ((t6 + (short)0x0))) = (short)v[11]; v[11] = -v[11]; // ** Store v[16] -> (T3 + 0)** *(int16_t *)(hle->mp3_buffer() + ((t3 + (short)0x0))) = (short)v[16]; // ** Store v[11] -> (T5 + 0)** *(int16_t *)(hle->mp3_buffer() + ((t5 + (short)0x0))) = (short)v[11]; // 0x13E8 - Verified... v[2] = -v[2]; // ** Store v[2] -> (T2 + 0)** *(int16_t *)(hle->mp3_buffer() + ((t2 + (short)0x0))) = (short)v[2]; v[3] = (((v[18] - v[19]) * 0x16A09) >> 0x10) + v[2]; // ** Store v[3] -> (T0 + 0)** *(int16_t *)(hle->mp3_buffer() + ((t0 + (short)0x0))) = (short)v[3]; // 0x1400 - Verified... v[4] = -v[20] - v[21]; v[6] = v[22] + v[23]; v[5] = ((v[20] - v[21]) * 0x16A09) >> 0x10; // ** Store v[4] -> (T3 + 0xFF80) *(int16_t *)(hle->mp3_buffer() + ((t3 + (short)0xFF80))) = (short)v[4]; v[7] = ((v[22] - v[23]) * 0x2D413) >> 0x10; v[5] = v[5] - v[4]; v[7] = v[7] - v[5]; v[6] = v[6] + v[6]; v[5] = v[5] - v[6]; v[4] = -v[4] - v[6]; // *** Store v[7] -> (T1 + 0xFF80) *(int16_t *)(hle->mp3_buffer() + ((t1 + (short)0xFF80))) = (short)v[7]; // *** Store v[4] -> (T2 + 0xFF80) *(int16_t *)(hle->mp3_buffer() + ((t2 + (short)0xFF80))) = (short)v[4]; // *** Store v[5] -> (T0 + 0xFF80) *(int16_t *)(hle->mp3_buffer() + ((t0 + (short)0xFF80))) = (short)v[5]; v[8] = v[24] + v[25]; v[9] = ((v[24] - v[25]) * 0x16A09) >> 0x10; v[2] = v[8] + v[9]; v[11] = ((v[26] - v[27]) * 0x2D413) >> 0x10; v[13] = ((v[28] - v[29]) * 0x2D413) >> 0x10; v[10] = v[26] + v[27]; v[10] = v[10] + v[10]; v[12] = v[28] + v[29]; v[12] = v[12] + v[12]; v[14] = v[30] + v[31]; v[3] = v[8] + v[10]; v[14] = v[14] + v[14]; v[13] = (v[13] - v[2]) + v[12]; v[15] = (((v[30] - v[31]) * 0x5A827) >> 0x10) - (v[11] + v[2]); v[14] = -(v[14] + v[14]) + v[3]; v[17] = v[13] - v[10]; v[9] = v[9] + v[14]; // ** Store v[9] -> (T6 + 0x40) *(int16_t *)(hle->mp3_buffer() + ((t6 + (short)0x40))) = (short)v[9]; v[11] = v[11] - v[13]; // ** Store v[17] -> (T0 + 0xFFC0) *(int16_t *)(hle->mp3_buffer() + ((t0 + (short)0xFFC0))) = (short)v[17]; v[12] = v[8] - v[12]; // ** Store v[11] -> (T0 + 0x40) *(int16_t *)(hle->mp3_buffer() + ((t0 + (short)0x40))) = (short)v[11]; v[8] = -v[8]; // ** Store v[15] -> (T1 + 0xFFC0) *(int16_t *)(hle->mp3_buffer() + ((t1 + (short)0xFFC0))) = (short)v[15]; v[10] = -v[10] - v[12]; // ** Store v[12] -> (T2 + 0x40) *(int16_t *)(hle->mp3_buffer() + ((t2 + (short)0x40))) = (short)v[12]; // ** Store v[8] -> (T3 + 0xFFC0) *(int16_t *)(hle->mp3_buffer() + ((t3 + (short)0xFFC0))) = (short)v[8]; // ** Store v[14] -> (T5 + 0x40) *(int16_t *)(hle->mp3_buffer() + ((t5 + (short)0x40))) = (short)v[14]; // ** Store v[10] -> (T2 + 0xFFC0) *(int16_t *)(hle->mp3_buffer() + ((t2 + (short)0xFFC0))) = (short)v[10]; // 0x14FC - Verified... // Part 6 - 100% accurate v[0] = *(int16_t *)(hle->mp3_buffer() + inPtr + (0x00 ^ S16)); v[31] = *(int16_t *)(hle->mp3_buffer() + inPtr + (0x3E ^ S16)); v[0] -= v[31]; v[1] = *(int16_t *)(hle->mp3_buffer() + inPtr + (0x02 ^ S16)); v[30] = *(int16_t *)(hle->mp3_buffer() + inPtr + (0x3C ^ S16)); v[1] -= v[30]; v[2] = *(int16_t *)(hle->mp3_buffer() + inPtr + (0x06 ^ S16)); v[28] = *(int16_t *)(hle->mp3_buffer() + inPtr + (0x38 ^ S16)); v[2] -= v[28]; v[3] = *(int16_t *)(hle->mp3_buffer() + inPtr + (0x04 ^ S16)); v[29] = *(int16_t *)(hle->mp3_buffer() + inPtr + (0x3A ^ S16)); v[3] -= v[29]; v[4] = *(int16_t *)(hle->mp3_buffer() + inPtr + (0x0E ^ S16)); v[24] = *(int16_t *)(hle->mp3_buffer() + inPtr + (0x30 ^ S16)); v[4] -= v[24]; v[5] = *(int16_t *)(hle->mp3_buffer() + inPtr + (0x0C ^ S16)); v[25] = *(int16_t *)(hle->mp3_buffer() + inPtr + (0x32 ^ S16)); v[5] -= v[25]; v[6] = *(int16_t *)(hle->mp3_buffer() + inPtr + (0x08 ^ S16)); v[27] = *(int16_t *)(hle->mp3_buffer() + inPtr + (0x36 ^ S16)); v[6] -= v[27]; v[7] = *(int16_t *)(hle->mp3_buffer() + inPtr + (0x0A ^ S16)); v[26] = *(int16_t *)(hle->mp3_buffer() + inPtr + (0x34 ^ S16)); v[7] -= v[26]; v[8] = *(int16_t *)(hle->mp3_buffer() + inPtr + (0x1E ^ S16)); v[16] = *(int16_t *)(hle->mp3_buffer() + inPtr + (0x20 ^ S16)); v[8] -= v[16]; v[9] = *(int16_t *)(hle->mp3_buffer() + inPtr + (0x1C ^ S16)); v[17] = *(int16_t *)(hle->mp3_buffer() + inPtr + (0x22 ^ S16)); v[9] -= v[17]; v[10] = *(int16_t *)(hle->mp3_buffer() + inPtr + (0x18 ^ S16)); v[19] = *(int16_t *)(hle->mp3_buffer() + inPtr + (0x26 ^ S16)); v[10] -= v[19]; v[11] = *(int16_t *)(hle->mp3_buffer() + inPtr + (0x1A ^ S16)); v[18] = *(int16_t *)(hle->mp3_buffer() + inPtr + (0x24 ^ S16)); v[11] -= v[18]; v[12] = *(int16_t *)(hle->mp3_buffer() + inPtr + (0x10 ^ S16)); v[23] = *(int16_t *)(hle->mp3_buffer() + inPtr + (0x2E ^ S16)); v[12] -= v[23]; v[13] = *(int16_t *)(hle->mp3_buffer() + inPtr + (0x12 ^ S16)); v[22] = *(int16_t *)(hle->mp3_buffer() + inPtr + (0x2C ^ S16)); v[13] -= v[22]; v[14] = *(int16_t *)(hle->mp3_buffer() + inPtr + (0x16 ^ S16)); v[20] = *(int16_t *)(hle->mp3_buffer() + inPtr + (0x28 ^ S16)); v[14] -= v[20]; v[15] = *(int16_t *)(hle->mp3_buffer() + inPtr + (0x14 ^ S16)); v[21] = *(int16_t *)(hle->mp3_buffer() + inPtr + (0x2A ^ S16)); v[15] -= v[21]; for (i = 0; i < 16; i++) { v[0 + i] = (v[0 + i] * LUT6[i]) >> 0x10; } v[0] = v[0] + v[0]; v[1] = v[1] + v[1]; v[2] = v[2] + v[2]; v[3] = v[3] + v[3]; v[4] = v[4] + v[4]; v[5] = v[5] + v[5]; v[6] = v[6] + v[6]; v[7] = v[7] + v[7]; v[12] = v[12] + v[12]; v[13] = v[13] + v[13]; v[15] = v[15] + v[15]; MP3AB0(v); // Part 7: - 100% accurate + SSV - unoptimized (TODO: optimize?) v[0] = (v[17] + v[16]) >> 1; v[1] = ((v[17] * (int)((short)0xA57E * 2)) + (v[16] * 0xB504)) >> 0x10; v[2] = -v[18] - v[19]; v[3] = ((v[18] - v[19]) * 0x16A09) >> 0x10; v[4] = v[20] + v[21] + v[0]; v[5] = (((v[20] - v[21]) * 0x16A09) >> 0x10) + v[1]; v[6] = (((v[22] + v[23]) << 1) + v[0]) - v[2]; v[7] = (((v[22] - v[23]) * 0x2D413) >> 0x10) + v[0] + v[1] + v[3]; // 0x16A8 // Save v[0] -> (T3 + 0xFFE0) *(int16_t *)(hle->mp3_buffer() + ((t3 + (short)0xFFE0))) = (short) - v[0]; v[8] = v[24] + v[25]; v[9] = ((v[24] - v[25]) * 0x16A09) >> 0x10; v[10] = ((v[26] + v[27]) << 1) + v[8]; v[11] = (((v[26] - v[27]) * 0x2D413) >> 0x10) + v[8] + v[9]; v[12] = v[4] - ((v[28] + v[29]) << 1); // ** Store v12 -> (T2 + 0x20) *(int16_t *)(hle->mp3_buffer() + ((t2 + (short)0x20))) = (short)v[12]; v[13] = (((v[28] - v[29]) * 0x2D413) >> 0x10) - v[12] - v[5]; v[14] = v[30] + v[31]; v[14] = v[14] + v[14]; v[14] = v[14] + v[14]; v[14] = v[6] - v[14]; v[15] = (((v[30] - v[31]) * 0x5A827) >> 0x10) - v[7]; // Store v14 -> (T5 + 0x20) *(int16_t *)(hle->mp3_buffer() + ((t5 + (short)0x20))) = (short)v[14]; v[14] = v[14] + v[1]; // Store v[14] -> (T6 + 0x20) *(int16_t *)(hle->mp3_buffer() + ((t6 + (short)0x20))) = (short)v[14]; // Store v[15] -> (T1 + 0xFFE0) *(int16_t *)(hle->mp3_buffer() + ((t1 + (short)0xFFE0))) = (short)v[15]; v[9] = v[9] + v[10]; v[1] = v[1] + v[6]; v[6] = v[10] - v[6]; v[1] = v[9] - v[1]; // Store v[6] -> (T5 + 0x60) *(int16_t *)(hle->mp3_buffer() + ((t5 + (short)0x60))) = (short)v[6]; v[10] = v[10] + v[2]; v[10] = v[4] - v[10]; // Store v[10] -> (T2 + 0xFFA0) *(int16_t *)(hle->mp3_buffer() + ((t2 + (short)0xFFA0))) = (short)v[10]; v[12] = v[2] - v[12]; // Store v[12] -> (T2 + 0xFFE0) *(int16_t *)(hle->mp3_buffer() + ((t2 + (short)0xFFE0))) = (short)v[12]; v[5] = v[4] + v[5]; v[4] = v[8] - v[4]; // Store v[4] -> (T2 + 0x60) *(int16_t *)(hle->mp3_buffer() + ((t2 + (short)0x60))) = (short)v[4]; v[0] = v[0] - v[8]; // Store v[0] -> (T3 + 0xFFA0) *(int16_t *)(hle->mp3_buffer() + ((t3 + (short)0xFFA0))) = (short)v[0]; v[7] = v[7] - v[11]; // Store v[7] -> (T1 + 0xFFA0) *(int16_t *)(hle->mp3_buffer() + ((t1 + (short)0xFFA0))) = (short)v[7]; v[11] = v[11] - v[3]; // Store v[1] -> (T6 + 0x60) *(int16_t *)(hle->mp3_buffer() + ((t6 + (short)0x60))) = (short)v[1]; v[11] = v[11] - v[5]; // Store v[11] -> (T0 + 0x60) *(int16_t *)(hle->mp3_buffer() + ((t0 + (short)0x60))) = (short)v[11]; v[3] = v[3] - v[13]; // Store v[3] -> (T0 + 0x20) *(int16_t *)(hle->mp3_buffer() + ((t0 + (short)0x20))) = (short)v[3]; v[13] = v[13] + v[2]; // Store v[13] -> (T0 + 0xFFE0) *(int16_t *)(hle->mp3_buffer() + ((t0 + (short)0xFFE0))) = (short)v[13]; v[2] = (v[5] - v[2]) - v[9]; // Store v[2] -> (T0 + 0xFFA0) *(int16_t *)(hle->mp3_buffer() + ((t0 + (short)0xFFA0))) = (short)v[2]; // 0x7A8 - Verified... // Step 8 - Dewindowing addptr = t6 & 0xFFE0; offset = 0x10 - (t4 >> 1); for (x = 0; x < 8; x++) { int32_t v0; int32_t v18; v2 = v4 = v6 = v8 = 0; for (i = 7; i >= 0; i--) { v2 += ((int) * (int16_t *)(hle->mp3_buffer() + (addptr) + 0x00) * (short)DeWindowLUT[offset + 0x00] + 0x4000) >> 0xF; v4 += ((int) * (int16_t *)(hle->mp3_buffer() + (addptr) + 0x10) * (short)DeWindowLUT[offset + 0x08] + 0x4000) >> 0xF; v6 += ((int) * (int16_t *)(hle->mp3_buffer() + (addptr) + 0x20) * (short)DeWindowLUT[offset + 0x20] + 0x4000) >> 0xF; v8 += ((int) * (int16_t *)(hle->mp3_buffer() + (addptr) + 0x30) * (short)DeWindowLUT[offset + 0x28] + 0x4000) >> 0xF; addptr += 2; offset++; } v0 = v2 + v4; v18 = v6 + v8; // Clamp(v0); // Clamp(v18); // Clamp? *(int16_t *)(hle->mp3_buffer() + (outPtr ^ S16)) = v0; *(int16_t *)(hle->mp3_buffer() + ((outPtr + 2)^S16)) = v18; outPtr += 4; addptr += 0x30; offset += 0x38; } offset = 0x10 - (t4 >> 1) + 8 * 0x40; v2 = v4 = 0; for (i = 0; i < 4; i++) { v2 += ((int) * (int16_t *)(hle->mp3_buffer() + (addptr) + 0x00) * (short)DeWindowLUT[offset + 0x00] + 0x4000) >> 0xF; v2 += ((int) * (int16_t *)(hle->mp3_buffer() + (addptr) + 0x10) * (short)DeWindowLUT[offset + 0x08] + 0x4000) >> 0xF; addptr += 2; offset++; v4 += ((int) * (int16_t *)(hle->mp3_buffer() + (addptr) + 0x00) * (short)DeWindowLUT[offset + 0x00] + 0x4000) >> 0xF; v4 += ((int) * (int16_t *)(hle->mp3_buffer() + (addptr) + 0x10) * (short)DeWindowLUT[offset + 0x08] + 0x4000) >> 0xF; addptr += 2; offset++; } mult6 = *(int32_t *)(hle->mp3_buffer() + 0xCE8); mult4 = *(int32_t *)(hle->mp3_buffer() + 0xCEC); if (t4 & 0x2) { v2 = (v2 **(uint32_t *)(hle->mp3_buffer() + 0xCE8)) >> 0x10; *(int16_t *)(hle->mp3_buffer() + (outPtr ^ S16)) = v2; } else { v4 = (v4 **(uint32_t *)(hle->mp3_buffer() + 0xCE8)) >> 0x10; *(int16_t *)(hle->mp3_buffer() + (outPtr ^ S16)) = v4; mult4 = *(uint32_t *)(hle->mp3_buffer() + 0xCE8); } addptr -= 0x50; for (x = 0; x < 8; x++) { int32_t v0; int32_t v18; v2 = v4 = v6 = v8 = 0; offset = (0x22F - (t4 >> 1) + x * 0x40); for (i = 0; i < 4; i++) { v2 += ((int) * (int16_t *)(hle->mp3_buffer() + (addptr) + 0x20) * (short)DeWindowLUT[offset + 0x00] + 0x4000) >> 0xF; v2 -= ((int) * (int16_t *)(hle->mp3_buffer() + ((addptr + 2)) + 0x20) * (short)DeWindowLUT[offset + 0x01] + 0x4000) >> 0xF; v4 += ((int) * (int16_t *)(hle->mp3_buffer() + (addptr) + 0x30) * (short)DeWindowLUT[offset + 0x08] + 0x4000) >> 0xF; v4 -= ((int) * (int16_t *)(hle->mp3_buffer() + ((addptr + 2)) + 0x30) * (short)DeWindowLUT[offset + 0x09] + 0x4000) >> 0xF; v6 += ((int) * (int16_t *)(hle->mp3_buffer() + (addptr) + 0x00) * (short)DeWindowLUT[offset + 0x20] + 0x4000) >> 0xF; v6 -= ((int) * (int16_t *)(hle->mp3_buffer() + ((addptr + 2)) + 0x00) * (short)DeWindowLUT[offset + 0x21] + 0x4000) >> 0xF; v8 += ((int) * (int16_t *)(hle->mp3_buffer() + (addptr) + 0x10) * (short)DeWindowLUT[offset + 0x28] + 0x4000) >> 0xF; v8 -= ((int) * (int16_t *)(hle->mp3_buffer() + ((addptr + 2)) + 0x10) * (short)DeWindowLUT[offset + 0x29] + 0x4000) >> 0xF; addptr += 4; offset += 2; } v0 = v2 + v4; v18 = v6 + v8; // Clamp(v0); // Clamp(v18); // Clamp? *(int16_t *)(hle->mp3_buffer() + ((outPtr + 2)^S16)) = v0; *(int16_t *)(hle->mp3_buffer() + ((outPtr + 4)^S16)) = v18; outPtr += 4; addptr -= 0x50; } tmp = outPtr; hi0 = mult6; hi1 = mult4; hi0 = (int)hi0 >> 0x10; hi1 = (int)hi1 >> 0x10; for (i = 0; i < 8; i++) { // v0 vt = (*(int16_t *)(hle->mp3_buffer() + ((tmp - 0x40)^S16)) * hi0); *(int16_t *)((uint8_t *)hle->mp3_buffer() + ((tmp - 0x40)^S16)) = clamp_s16(vt); // v17 vt = (*(int16_t *)(hle->mp3_buffer() + ((tmp - 0x30)^S16)) * hi0); *(int16_t *)((uint8_t *)hle->mp3_buffer() + ((tmp - 0x30)^S16)) = clamp_s16(vt); // v2 vt = (*(int16_t *)(hle->mp3_buffer() + ((tmp - 0x1E)^S16)) * hi1); *(int16_t *)((uint8_t *)hle->mp3_buffer() + ((tmp - 0x1E)^S16)) = clamp_s16(vt); // v4 vt = (*(int16_t *)(hle->mp3_buffer() + ((tmp - 0xE)^S16)) * hi1); *(int16_t *)((uint8_t *)hle->mp3_buffer() + ((tmp - 0xE)^S16)) = clamp_s16(vt); tmp += 2; } }