Update mp3.cpp

Fix typos, remove title case, remove leftover header, add TODO, add newline
This commit is contained in:
Derek "Turtle" Roe 2021-03-16 00:42:37 -05:00
parent b42c787ae0
commit 7f0e8a84cf
1 changed files with 74 additions and 82 deletions

View File

@ -1,11 +1,3 @@
// Project64 - A Nintendo 64 emulator
// http://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 "stdafx.h"
#include <string.h> #include <string.h>
@ -151,7 +143,7 @@ static const uint16_t DeWindowLUT [0x420] = {
static void MP3AB0(int32_t* v) static void MP3AB0(int32_t* v)
{ {
/* Part 2 - 100% Accurate */ // Part 2 - 100% accurate
static const uint16_t LUT2[8] = static const uint16_t LUT2[8] =
{ {
0xFEC4, 0xF4FA, 0xC5E4, 0xE1C4, 0xFEC4, 0xF4FA, 0xC5E4, 0xE1C4,
@ -166,7 +158,7 @@ static void MP3AB0(int32_t* v)
v[24 + i] = ((v[0 + i] - v[8 + i]) * LUT2[i]) >> 0x10; v[24 + i] = ((v[0 + i] - v[8 + i]) * LUT2[i]) >> 0x10;
} }
/* Part 3: 4-wide butterflies */ // Part 3: 4-wide butterflies
for (i = 0; i < 4; i++) for (i = 0; i < 4; i++)
{ {
@ -177,7 +169,7 @@ static void MP3AB0(int32_t* v)
v[12 + i] = ((v[24 + i] - v[28 + i]) * LUT3[i]) >> 0x10; v[12 + i] = ((v[24 + i] - v[28 + i]) * LUT3[i]) >> 0x10;
} }
/* Part 4: 2-wide butterflies - 100% Accurate */ // Part 4: 2-wide butterflies - 100% accurate
for (i = 0; i < 16; i += 4) for (i = 0; i < 16; i += 4)
{ {
@ -192,34 +184,34 @@ static void MP3AB0(int32_t* v)
void mp3_task(CHle * hle, unsigned int index, uint32_t address) void mp3_task(CHle * hle, unsigned int index, uint32_t address)
{ {
uint32_t inPtr, outPtr; uint32_t inPtr, outPtr;
uint32_t t6;/* = 0x08A0; - I think these are temporary storage buffers */ uint32_t t6;// = 0x08A0; - I think these are temporary storage buffers
uint32_t t5;/* = 0x0AC0; */ uint32_t t5;// = 0x0AC0;
uint32_t t4;/* = (w1 & 0x1E); */ uint32_t t4;// = (w1 & 0x1E);
/* Initialization Code */ // Initialization code
uint32_t readPtr; /* s5 */ uint32_t readPtr; // s5
uint32_t writePtr; /* s6 */ uint32_t writePtr; // s6
uint32_t tmp; uint32_t tmp;
int cnt, cnt2; int cnt, cnt2;
/* I think these are temporary storage buffers */ // I think these are temporary storage buffers
t6 = 0x08A0; t6 = 0x08A0;
t5 = 0x0AC0; t5 = 0x0AC0;
t4 = index; t4 = index;
writePtr = readPtr = address; writePtr = readPtr = address;
/* Just do that for efficiency... may remove and use directly later anyway */ // TODO: Just do that for efficiency...may remove and use directly later anyway
memcpy(hle->mp3_buffer() + 0xCE8, hle->dram() + readPtr, 8); memcpy(hle->mp3_buffer() + 0xCE8, hle->dram() + readPtr, 8);
/* This must be a header byte or whatnot */ // This must be a header byte or whatnot
readPtr += 8; readPtr += 8;
for (cnt = 0; cnt < 0x480; cnt += 0x180) for (cnt = 0; cnt < 0x480; cnt += 0x180)
{ {
/* DMA: 0xCF0 <- RDRAM[s5] : 0x180 */ // DMA: 0xCF0 <- RDRAM[s5] : 0x180
memcpy(hle->mp3_buffer() + 0xCF0, hle->dram() + readPtr, 0x180); memcpy(hle->mp3_buffer() + 0xCF0, hle->dram() + readPtr, 0x180);
inPtr = 0xCF0; /* s7 */ inPtr = 0xCF0; // s7
outPtr = 0xE70; /* s3 */ outPtr = 0xE70; // s3
/* --------------- Inner Loop Start -------------------- */ // --------------- Inner Loop Start --------------------
for (cnt2 = 0; cnt2 < 0x180; cnt2 += 0x40) for (cnt2 = 0; cnt2 < 0x180; cnt2 += 0x40)
{ {
t6 &= 0xFFE0; t6 &= 0xFFE0;
@ -234,7 +226,7 @@ void mp3_task(CHle * hle, unsigned int index, uint32_t address)
inPtr += 0x40; inPtr += 0x40;
outPtr += 0x40; outPtr += 0x40;
} }
/* --------------- Inner Loop End -------------------- */ // --------------- Inner Loop End --------------------
memcpy(hle->dram() + writePtr, hle->mp3_buffer() + 0xe70, 0x180); memcpy(hle->dram() + writePtr, hle->mp3_buffer() + 0xe70, 0x180);
writePtr += 0x180; writePtr += 0x180;
readPtr += 0x180; readPtr += 0x180;
@ -243,9 +235,9 @@ void mp3_task(CHle * hle, unsigned int index, uint32_t address)
static void InnerLoop(CHle * hle, uint32_t outPtr, uint32_t inPtr, uint32_t t6, uint32_t t5, uint32_t t4) static void InnerLoop(CHle * hle, uint32_t outPtr, uint32_t inPtr, uint32_t t6, uint32_t t5, uint32_t t4)
{ {
/* Part 1: 100% Accurate */ // Part 1: 100% accurate
/* 0, 1, 3, 2, 7, 6, 4, 5, 7, 6, 4, 5, 0, 1, 3, 2 */ // 0, 1, 3, 2, 7, 6, 4, 5, 7, 6, 4, 5, 0, 1, 3, 2
static const uint16_t LUT6[16] = static const uint16_t LUT6[16] =
{ {
0xFFB2, 0xFD3A, 0xF10A, 0xF854, 0xFFB2, 0xFD3A, 0xF10A, 0xF854,
@ -322,43 +314,43 @@ static void InnerLoop(CHle * hle, uint32_t outPtr, uint32_t inPtr, uint32_t t6,
v[21] = *(int16_t *)(hle->mp3_buffer() + inPtr + (0x2A ^ S16)); v[21] = *(int16_t *)(hle->mp3_buffer() + inPtr + (0x2A ^ S16));
v[15] += v[21]; v[15] += v[21];
/* Part 2-4 */ // Part 2-4
MP3AB0(v); MP3AB0(v);
/* Part 5 - 1-Wide Butterflies - 100% Accurate but need SSVs!!! */ // Part 5 - 1-Wide Butterflies - 100% accurate but need SSVs!
t0 = t6 + 0x100; t0 = t6 + 0x100;
t1 = t6 + 0x200; t1 = t6 + 0x200;
t2 = t5 + 0x100; t2 = t5 + 0x100;
t3 = t5 + 0x200; t3 = t5 + 0x200;
/* 0x13A8 */ // 0x13A8
v[1] = 0; v[1] = 0;
v[11] = ((v[16] - v[17]) * 0xB504) >> 0x10; v[11] = ((v[16] - v[17]) * 0xB504) >> 0x10;
v[16] = -v[16] - v[17]; v[16] = -v[16] - v[17];
v[2] = v[18] + v[19]; v[2] = v[18] + v[19];
/* ** Store v[11] -> (T6 + 0)** */ // ** Store v[11] -> (T6 + 0)**
*(int16_t *)(hle->mp3_buffer() + ((t6 + (short)0x0))) = (short)v[11]; *(int16_t *)(hle->mp3_buffer() + ((t6 + (short)0x0))) = (short)v[11];
v[11] = -v[11]; v[11] = -v[11];
/* ** Store v[16] -> (T3 + 0)** */ // ** Store v[16] -> (T3 + 0)**
*(int16_t *)(hle->mp3_buffer() + ((t3 + (short)0x0))) = (short)v[16]; *(int16_t *)(hle->mp3_buffer() + ((t3 + (short)0x0))) = (short)v[16];
/* ** Store v[11] -> (T5 + 0)** */ // ** Store v[11] -> (T5 + 0)**
*(int16_t *)(hle->mp3_buffer() + ((t5 + (short)0x0))) = (short)v[11]; *(int16_t *)(hle->mp3_buffer() + ((t5 + (short)0x0))) = (short)v[11];
/* 0x13E8 - Verified.... */ // 0x13E8 - Verified...
v[2] = -v[2]; v[2] = -v[2];
/* ** Store v[2] -> (T2 + 0)** */ // ** Store v[2] -> (T2 + 0)**
*(int16_t *)(hle->mp3_buffer() + ((t2 + (short)0x0))) = (short)v[2]; *(int16_t *)(hle->mp3_buffer() + ((t2 + (short)0x0))) = (short)v[2];
v[3] = (((v[18] - v[19]) * 0x16A09) >> 0x10) + v[2]; v[3] = (((v[18] - v[19]) * 0x16A09) >> 0x10) + v[2];
/* ** Store v[3] -> (T0 + 0)** */ // ** Store v[3] -> (T0 + 0)**
*(int16_t *)(hle->mp3_buffer() + ((t0 + (short)0x0))) = (short)v[3]; *(int16_t *)(hle->mp3_buffer() + ((t0 + (short)0x0))) = (short)v[3];
/* 0x1400 - Verified */ // 0x1400 - Verified...
v[4] = -v[20] - v[21]; v[4] = -v[20] - v[21];
v[6] = v[22] + v[23]; v[6] = v[22] + v[23];
v[5] = ((v[20] - v[21]) * 0x16A09) >> 0x10; v[5] = ((v[20] - v[21]) * 0x16A09) >> 0x10;
/* ** Store v[4] -> (T3 + 0xFF80) */ // ** Store v[4] -> (T3 + 0xFF80)
*(int16_t *)(hle->mp3_buffer() + ((t3 + (short)0xFF80))) = (short)v[4]; *(int16_t *)(hle->mp3_buffer() + ((t3 + (short)0xFF80))) = (short)v[4];
v[7] = ((v[22] - v[23]) * 0x2D413) >> 0x10; v[7] = ((v[22] - v[23]) * 0x2D413) >> 0x10;
v[5] = v[5] - v[4]; v[5] = v[5] - v[4];
@ -366,11 +358,11 @@ static void InnerLoop(CHle * hle, uint32_t outPtr, uint32_t inPtr, uint32_t t6,
v[6] = v[6] + v[6]; v[6] = v[6] + v[6];
v[5] = v[5] - v[6]; v[5] = v[5] - v[6];
v[4] = -v[4] - v[6]; v[4] = -v[4] - v[6];
/* *** Store v[7] -> (T1 + 0xFF80) */ // *** Store v[7] -> (T1 + 0xFF80)
*(int16_t *)(hle->mp3_buffer() + ((t1 + (short)0xFF80))) = (short)v[7]; *(int16_t *)(hle->mp3_buffer() + ((t1 + (short)0xFF80))) = (short)v[7];
/* *** Store v[4] -> (T2 + 0xFF80) */ // *** Store v[4] -> (T2 + 0xFF80)
*(int16_t *)(hle->mp3_buffer() + ((t2 + (short)0xFF80))) = (short)v[4]; *(int16_t *)(hle->mp3_buffer() + ((t2 + (short)0xFF80))) = (short)v[4];
/* *** Store v[5] -> (T0 + 0xFF80) */ // *** Store v[5] -> (T0 + 0xFF80)
*(int16_t *)(hle->mp3_buffer() + ((t0 + (short)0xFF80))) = (short)v[5]; *(int16_t *)(hle->mp3_buffer() + ((t0 + (short)0xFF80))) = (short)v[5];
v[8] = v[24] + v[25]; v[8] = v[24] + v[25];
@ -391,29 +383,29 @@ static void InnerLoop(CHle * hle, uint32_t outPtr, uint32_t inPtr, uint32_t t6,
v[14] = -(v[14] + v[14]) + v[3]; v[14] = -(v[14] + v[14]) + v[3];
v[17] = v[13] - v[10]; v[17] = v[13] - v[10];
v[9] = v[9] + v[14]; v[9] = v[9] + v[14];
/* ** Store v[9] -> (T6 + 0x40) */ // ** Store v[9] -> (T6 + 0x40)
*(int16_t *)(hle->mp3_buffer() + ((t6 + (short)0x40))) = (short)v[9]; *(int16_t *)(hle->mp3_buffer() + ((t6 + (short)0x40))) = (short)v[9];
v[11] = v[11] - v[13]; v[11] = v[11] - v[13];
/* ** Store v[17] -> (T0 + 0xFFC0) */ // ** Store v[17] -> (T0 + 0xFFC0)
*(int16_t *)(hle->mp3_buffer() + ((t0 + (short)0xFFC0))) = (short)v[17]; *(int16_t *)(hle->mp3_buffer() + ((t0 + (short)0xFFC0))) = (short)v[17];
v[12] = v[8] - v[12]; v[12] = v[8] - v[12];
/* ** Store v[11] -> (T0 + 0x40) */ // ** Store v[11] -> (T0 + 0x40)
*(int16_t *)(hle->mp3_buffer() + ((t0 + (short)0x40))) = (short)v[11]; *(int16_t *)(hle->mp3_buffer() + ((t0 + (short)0x40))) = (short)v[11];
v[8] = -v[8]; v[8] = -v[8];
/* ** Store v[15] -> (T1 + 0xFFC0) */ // ** Store v[15] -> (T1 + 0xFFC0)
*(int16_t *)(hle->mp3_buffer() + ((t1 + (short)0xFFC0))) = (short)v[15]; *(int16_t *)(hle->mp3_buffer() + ((t1 + (short)0xFFC0))) = (short)v[15];
v[10] = -v[10] - v[12]; v[10] = -v[10] - v[12];
/* ** Store v[12] -> (T2 + 0x40) */ // ** Store v[12] -> (T2 + 0x40)
*(int16_t *)(hle->mp3_buffer() + ((t2 + (short)0x40))) = (short)v[12]; *(int16_t *)(hle->mp3_buffer() + ((t2 + (short)0x40))) = (short)v[12];
/* ** Store v[8] -> (T3 + 0xFFC0) */ // ** Store v[8] -> (T3 + 0xFFC0)
*(int16_t *)(hle->mp3_buffer() + ((t3 + (short)0xFFC0))) = (short)v[8]; *(int16_t *)(hle->mp3_buffer() + ((t3 + (short)0xFFC0))) = (short)v[8];
/* ** Store v[14] -> (T5 + 0x40) */ // ** Store v[14] -> (T5 + 0x40)
*(int16_t *)(hle->mp3_buffer() + ((t5 + (short)0x40))) = (short)v[14]; *(int16_t *)(hle->mp3_buffer() + ((t5 + (short)0x40))) = (short)v[14];
/* ** Store v[10] -> (T2 + 0xFFC0) */ // ** Store v[10] -> (T2 + 0xFFC0)
*(int16_t *)(hle->mp3_buffer() + ((t2 + (short)0xFFC0))) = (short)v[10]; *(int16_t *)(hle->mp3_buffer() + ((t2 + (short)0xFFC0))) = (short)v[10];
/* 0x14FC - Verified... */ // 0x14FC - Verified...
/* Part 6 - 100% Accurate */ // Part 6 - 100% accurate
v[0] = *(int16_t *)(hle->mp3_buffer() + inPtr + (0x00 ^ S16)); v[0] = *(int16_t *)(hle->mp3_buffer() + inPtr + (0x00 ^ S16));
v[31] = *(int16_t *)(hle->mp3_buffer() + inPtr + (0x3E ^ S16)); v[31] = *(int16_t *)(hle->mp3_buffer() + inPtr + (0x3E ^ S16));
@ -485,7 +477,7 @@ static void InnerLoop(CHle * hle, uint32_t outPtr, uint32_t inPtr, uint32_t t6,
MP3AB0(v); MP3AB0(v);
/* Part 7: - 100% Accurate + SSV - Unoptimized */ // Part 7: - 100% accurate + SSV - Unoptimized
v[0] = (v[17] + v[16]) >> 1; v[0] = (v[17] + v[16]) >> 1;
v[1] = ((v[17] * (int)((short)0xA57E * 2)) + (v[16] * 0xB504)) >> 0x10; v[1] = ((v[17] * (int)((short)0xA57E * 2)) + (v[16] * 0xB504)) >> 0x10;
@ -495,15 +487,15 @@ static void InnerLoop(CHle * hle, uint32_t outPtr, uint32_t inPtr, uint32_t t6,
v[5] = (((v[20] - v[21]) * 0x16A09) >> 0x10) + v[1]; v[5] = (((v[20] - v[21]) * 0x16A09) >> 0x10) + v[1];
v[6] = (((v[22] + v[23]) << 1) + v[0]) - v[2]; 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]; v[7] = (((v[22] - v[23]) * 0x2D413) >> 0x10) + v[0] + v[1] + v[3];
/* 0x16A8 */ // 0x16A8
/* Save v[0] -> (T3 + 0xFFE0) */ // Save v[0] -> (T3 + 0xFFE0)
*(int16_t *)(hle->mp3_buffer() + ((t3 + (short)0xFFE0))) = (short) - v[0]; *(int16_t *)(hle->mp3_buffer() + ((t3 + (short)0xFFE0))) = (short) - v[0];
v[8] = v[24] + v[25]; v[8] = v[24] + v[25];
v[9] = ((v[24] - v[25]) * 0x16A09) >> 0x10; v[9] = ((v[24] - v[25]) * 0x16A09) >> 0x10;
v[10] = ((v[26] + v[27]) << 1) + v[8]; v[10] = ((v[26] + v[27]) << 1) + v[8];
v[11] = (((v[26] - v[27]) * 0x2D413) >> 0x10) + v[8] + v[9]; v[11] = (((v[26] - v[27]) * 0x2D413) >> 0x10) + v[8] + v[9];
v[12] = v[4] - ((v[28] + v[29]) << 1); v[12] = v[4] - ((v[28] + v[29]) << 1);
/* ** Store v12 -> (T2 + 0x20) */ // ** Store v12 -> (T2 + 0x20)
*(int16_t *)(hle->mp3_buffer() + ((t2 + (short)0x20))) = (short)v[12]; *(int16_t *)(hle->mp3_buffer() + ((t2 + (short)0x20))) = (short)v[12];
v[13] = (((v[28] - v[29]) * 0x2D413) >> 0x10) - v[12] - v[5]; v[13] = (((v[28] - v[29]) * 0x2D413) >> 0x10) - v[12] - v[5];
v[14] = v[30] + v[31]; v[14] = v[30] + v[31];
@ -511,54 +503,54 @@ static void InnerLoop(CHle * hle, uint32_t outPtr, uint32_t inPtr, uint32_t t6,
v[14] = v[14] + v[14]; v[14] = v[14] + v[14];
v[14] = v[6] - v[14]; v[14] = v[6] - v[14];
v[15] = (((v[30] - v[31]) * 0x5A827) >> 0x10) - v[7]; v[15] = (((v[30] - v[31]) * 0x5A827) >> 0x10) - v[7];
/* Store v14 -> (T5 + 0x20) */ // Store v14 -> (T5 + 0x20)
*(int16_t *)(hle->mp3_buffer() + ((t5 + (short)0x20))) = (short)v[14]; *(int16_t *)(hle->mp3_buffer() + ((t5 + (short)0x20))) = (short)v[14];
v[14] = v[14] + v[1]; v[14] = v[14] + v[1];
/* Store v[14] -> (T6 + 0x20) */ // Store v[14] -> (T6 + 0x20)
*(int16_t *)(hle->mp3_buffer() + ((t6 + (short)0x20))) = (short)v[14]; *(int16_t *)(hle->mp3_buffer() + ((t6 + (short)0x20))) = (short)v[14];
/* Store v[15] -> (T1 + 0xFFE0) */ // Store v[15] -> (T1 + 0xFFE0)
*(int16_t *)(hle->mp3_buffer() + ((t1 + (short)0xFFE0))) = (short)v[15]; *(int16_t *)(hle->mp3_buffer() + ((t1 + (short)0xFFE0))) = (short)v[15];
v[9] = v[9] + v[10]; v[9] = v[9] + v[10];
v[1] = v[1] + v[6]; v[1] = v[1] + v[6];
v[6] = v[10] - v[6]; v[6] = v[10] - v[6];
v[1] = v[9] - v[1]; v[1] = v[9] - v[1];
/* Store v[6] -> (T5 + 0x60) */ // Store v[6] -> (T5 + 0x60)
*(int16_t *)(hle->mp3_buffer() + ((t5 + (short)0x60))) = (short)v[6]; *(int16_t *)(hle->mp3_buffer() + ((t5 + (short)0x60))) = (short)v[6];
v[10] = v[10] + v[2]; v[10] = v[10] + v[2];
v[10] = v[4] - v[10]; v[10] = v[4] - v[10];
/* Store v[10] -> (T2 + 0xFFA0) */ // Store v[10] -> (T2 + 0xFFA0)
*(int16_t *)(hle->mp3_buffer() + ((t2 + (short)0xFFA0))) = (short)v[10]; *(int16_t *)(hle->mp3_buffer() + ((t2 + (short)0xFFA0))) = (short)v[10];
v[12] = v[2] - v[12]; v[12] = v[2] - v[12];
/* Store v[12] -> (T2 + 0xFFE0) */ // Store v[12] -> (T2 + 0xFFE0)
*(int16_t *)(hle->mp3_buffer() + ((t2 + (short)0xFFE0))) = (short)v[12]; *(int16_t *)(hle->mp3_buffer() + ((t2 + (short)0xFFE0))) = (short)v[12];
v[5] = v[4] + v[5]; v[5] = v[4] + v[5];
v[4] = v[8] - v[4]; v[4] = v[8] - v[4];
/* Store v[4] -> (T2 + 0x60) */ // Store v[4] -> (T2 + 0x60)
*(int16_t *)(hle->mp3_buffer() + ((t2 + (short)0x60))) = (short)v[4]; *(int16_t *)(hle->mp3_buffer() + ((t2 + (short)0x60))) = (short)v[4];
v[0] = v[0] - v[8]; v[0] = v[0] - v[8];
/* Store v[0] -> (T3 + 0xFFA0) */ // Store v[0] -> (T3 + 0xFFA0)
*(int16_t *)(hle->mp3_buffer() + ((t3 + (short)0xFFA0))) = (short)v[0]; *(int16_t *)(hle->mp3_buffer() + ((t3 + (short)0xFFA0))) = (short)v[0];
v[7] = v[7] - v[11]; v[7] = v[7] - v[11];
/* Store v[7] -> (T1 + 0xFFA0) */ // Store v[7] -> (T1 + 0xFFA0)
*(int16_t *)(hle->mp3_buffer() + ((t1 + (short)0xFFA0))) = (short)v[7]; *(int16_t *)(hle->mp3_buffer() + ((t1 + (short)0xFFA0))) = (short)v[7];
v[11] = v[11] - v[3]; v[11] = v[11] - v[3];
/* Store v[1] -> (T6 + 0x60) */ // Store v[1] -> (T6 + 0x60)
*(int16_t *)(hle->mp3_buffer() + ((t6 + (short)0x60))) = (short)v[1]; *(int16_t *)(hle->mp3_buffer() + ((t6 + (short)0x60))) = (short)v[1];
v[11] = v[11] - v[5]; v[11] = v[11] - v[5];
/* Store v[11] -> (T0 + 0x60) */ // Store v[11] -> (T0 + 0x60)
*(int16_t *)(hle->mp3_buffer() + ((t0 + (short)0x60))) = (short)v[11]; *(int16_t *)(hle->mp3_buffer() + ((t0 + (short)0x60))) = (short)v[11];
v[3] = v[3] - v[13]; v[3] = v[3] - v[13];
/* Store v[3] -> (T0 + 0x20) */ // Store v[3] -> (T0 + 0x20)
*(int16_t *)(hle->mp3_buffer() + ((t0 + (short)0x20))) = (short)v[3]; *(int16_t *)(hle->mp3_buffer() + ((t0 + (short)0x20))) = (short)v[3];
v[13] = v[13] + v[2]; v[13] = v[13] + v[2];
/* Store v[13] -> (T0 + 0xFFE0) */ // Store v[13] -> (T0 + 0xFFE0)
*(int16_t *)(hle->mp3_buffer() + ((t0 + (short)0xFFE0))) = (short)v[13]; *(int16_t *)(hle->mp3_buffer() + ((t0 + (short)0xFFE0))) = (short)v[13];
v[2] = (v[5] - v[2]) - v[9]; v[2] = (v[5] - v[2]) - v[9];
/* Store v[2] -> (T0 + 0xFFA0) */ // Store v[2] -> (T0 + 0xFFA0)
*(int16_t *)(hle->mp3_buffer() + ((t0 + (short)0xFFA0))) = (short)v[2]; *(int16_t *)(hle->mp3_buffer() + ((t0 + (short)0xFFA0))) = (short)v[2];
/* 0x7A8 - Verified... */ // 0x7A8 - Verified...
/* Step 8 - Dewindowing */ // Step 8 - Dewindowing
addptr = t6 & 0xFFE0; addptr = t6 & 0xFFE0;
@ -580,9 +572,9 @@ static void InnerLoop(CHle * hle, uint32_t outPtr, uint32_t inPtr, uint32_t t6,
} }
v0 = v2 + v4; v0 = v2 + v4;
v18 = v6 + v8; v18 = v6 + v8;
/* Clamp(v0); */ // Clamp(v0);
/* Clamp(v18); */ // Clamp(v18);
/* clamp??? */ // clamp???
*(int16_t *)(hle->mp3_buffer() + (outPtr ^ S16)) = v0; *(int16_t *)(hle->mp3_buffer() + (outPtr ^ S16)) = v0;
*(int16_t *)(hle->mp3_buffer() + ((outPtr + 2)^S16)) = v18; *(int16_t *)(hle->mp3_buffer() + ((outPtr + 2)^S16)) = v18;
outPtr += 4; outPtr += 4;
@ -641,9 +633,9 @@ static void InnerLoop(CHle * hle, uint32_t outPtr, uint32_t inPtr, uint32_t t6,
} }
v0 = v2 + v4; v0 = v2 + v4;
v18 = v6 + v8; v18 = v6 + v8;
/* Clamp(v0); */ // Clamp(v0);
/* Clamp(v18); */ // Clamp(v18);
/* clamp??? */ // clamp???
*(int16_t *)(hle->mp3_buffer() + ((outPtr + 2)^S16)) = v0; *(int16_t *)(hle->mp3_buffer() + ((outPtr + 2)^S16)) = v0;
*(int16_t *)(hle->mp3_buffer() + ((outPtr + 4)^S16)) = v18; *(int16_t *)(hle->mp3_buffer() + ((outPtr + 4)^S16)) = v18;
outPtr += 4; outPtr += 4;
@ -658,22 +650,22 @@ static void InnerLoop(CHle * hle, uint32_t outPtr, uint32_t inPtr, uint32_t t6,
hi1 = (int)hi1 >> 0x10; hi1 = (int)hi1 >> 0x10;
for (i = 0; i < 8; i++) for (i = 0; i < 8; i++)
{ {
/* v0 */ // v0
vt = (*(int16_t *)(hle->mp3_buffer() + ((tmp - 0x40)^S16)) * hi0); vt = (*(int16_t *)(hle->mp3_buffer() + ((tmp - 0x40)^S16)) * hi0);
*(int16_t *)((uint8_t *)hle->mp3_buffer() + ((tmp - 0x40)^S16)) = clamp_s16(vt); *(int16_t *)((uint8_t *)hle->mp3_buffer() + ((tmp - 0x40)^S16)) = clamp_s16(vt);
/* v17 */ // v17
vt = (*(int16_t *)(hle->mp3_buffer() + ((tmp - 0x30)^S16)) * hi0); vt = (*(int16_t *)(hle->mp3_buffer() + ((tmp - 0x30)^S16)) * hi0);
*(int16_t *)((uint8_t *)hle->mp3_buffer() + ((tmp - 0x30)^S16)) = clamp_s16(vt); *(int16_t *)((uint8_t *)hle->mp3_buffer() + ((tmp - 0x30)^S16)) = clamp_s16(vt);
/* v2 */ // v2
vt = (*(int16_t *)(hle->mp3_buffer() + ((tmp - 0x1E)^S16)) * hi1); vt = (*(int16_t *)(hle->mp3_buffer() + ((tmp - 0x1E)^S16)) * hi1);
*(int16_t *)((uint8_t *)hle->mp3_buffer() + ((tmp - 0x1E)^S16)) = clamp_s16(vt); *(int16_t *)((uint8_t *)hle->mp3_buffer() + ((tmp - 0x1E)^S16)) = clamp_s16(vt);
/* v4 */ // v4
vt = (*(int16_t *)(hle->mp3_buffer() + ((tmp - 0xE)^S16)) * hi1); vt = (*(int16_t *)(hle->mp3_buffer() + ((tmp - 0xE)^S16)) * hi1);
*(int16_t *)((uint8_t *)hle->mp3_buffer() + ((tmp - 0xE)^S16)) = clamp_s16(vt); *(int16_t *)((uint8_t *)hle->mp3_buffer() + ((tmp - 0xE)^S16)) = clamp_s16(vt);
tmp += 2; tmp += 2;
} }
} }