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dolphin/Source/Plugins/Plugin_DSP_NULL/Src/UCodes/UCode_AX.cpp

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// Copyright (C) 2003-2008 Dolphin Project.
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, version 2.0.
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License 2.0 for more details.
// A copy of the GPL 2.0 should have been included with the program.
// If not, see http://www.gnu.org/licenses/
// Official SVN repository and contact information can be found at
// http://code.google.com/p/dolphin-emu/
#include "Common.h"
#include "../Globals.h"
#include "../MailHandler.h"
#include "UCodes.h"
#include "UCode_AXStructs.h"
#include "UCode_AX.h"
CUCode_AX::CUCode_AX(CMailHandler& _rMailHandler, bool wii)
: IUCode(_rMailHandler)
, m_addressPBs(0xFFFFFFFF)
, wii_mode(wii)
{
// we got loaded
m_rMailHandler.PushMail(0xDCD10000);
m_rMailHandler.PushMail(0x80000000); // handshake ??? only (crc == 0xe2136399) needs it ...
templbuffer = new int[1024 * 1024];
temprbuffer = new int[1024 * 1024];
}
CUCode_AX::~CUCode_AX()
{
m_rMailHandler.Clear();
delete [] templbuffer;
delete [] temprbuffer;
}
void CUCode_AX::HandleMail(u32 _uMail)
{
if ((_uMail & 0xFFFF0000) == MAIL_AX_ALIST)
{
// a new List
}
else
{
AXTask(_uMail);
}
}
s16 CUCode_AX::ADPCM_Step(AXParamBlock& pb, u32& samplePos, u32 newSamplePos, u16 frac)
{
PBADPCMInfo &adpcm = pb.adpcm;
while (samplePos < newSamplePos)
{
if ((samplePos & 15) == 0)
{
adpcm.pred_scale = g_dspInitialize.pARAM_Read_U8((samplePos & ~15) >> 1);
samplePos += 2;
newSamplePos += 2;
}
int scale = 1 << (adpcm.pred_scale & 0xF);
int coef_idx = adpcm.pred_scale >> 4;
s32 coef1 = adpcm.coefs[coef_idx * 2 + 0];
s32 coef2 = adpcm.coefs[coef_idx * 2 + 1];
int temp = (samplePos & 1) ?
(g_dspInitialize.pARAM_Read_U8(samplePos >> 1) & 0xF) :
(g_dspInitialize.pARAM_Read_U8(samplePos >> 1) >> 4);
if (temp >= 8)
temp -= 16;
// 0x400 = 0.5 in 11-bit fixed point
int val = (scale * temp) + ((0x400 + coef1 * adpcm.yn1 + coef2 * adpcm.yn2) >> 11);
if (val > 0x7FFF)
val = 0x7FFF;
else if (val < -0x7FFF)
val = -0x7FFF;
adpcm.yn2 = adpcm.yn1;
adpcm.yn1 = val;
samplePos++;
}
return adpcm.yn1;
}
void ADPCM_Loop(AXParamBlock& pb)
{
if (!pb.is_stream)
{
pb.adpcm.yn1 = pb.adpcm_loop_info.yn1;
pb.adpcm.yn2 = pb.adpcm_loop_info.yn2;
pb.adpcm.pred_scale = pb.adpcm_loop_info.pred_scale;
}
//else stream and we should not attempt to replace values
}
void CUCode_AX::MixAdd(short* _pBuffer, int _iSize)
{
AXParamBlock PBs[NUMBER_OF_PBS];
if (_iSize > 1024 * 1024)
_iSize = 1024 * 1024;
memset(templbuffer, 0, _iSize * sizeof(int));
memset(temprbuffer, 0, _iSize * sizeof(int));
// read out pbs
int numberOfPBs = ReadOutPBs(PBs, NUMBER_OF_PBS);
float ratioFactor = 32000.0f / 44100.0f;
for (int i = 0; i < numberOfPBs; i++)
{
AXParamBlock& pb = PBs[i];
if (pb.running)
{
// =======================================================================================
// Set initial parameters
// ---------------------------------------------------------------------------------------
//constants
const u32 loopPos = (pb.audio_addr.loop_addr_hi << 16) | pb.audio_addr.loop_addr_lo;
const u32 sampleEnd = (pb.audio_addr.end_addr_hi << 16) | pb.audio_addr.end_addr_lo;
const u32 ratio = (u32)(((pb.src.ratio_hi << 16) + pb.src.ratio_lo) * ratioFactor);
//variables
u32 samplePos = (pb.audio_addr.cur_addr_hi << 16) | pb.audio_addr.cur_addr_lo;
u32 frac = pb.src.cur_addr_frac;
// =======================================================================================
// =======================================================================================
// Handle no-src streams - No src streams have pb.src_type == 2 and have pb.src.ratio_hi = 0
// and pb.src.ratio_lo = 0. We handle that by setting the sampling ratio integer to 1. This
// makes samplePos update in the correct way.
// ---------------------------------------------------------------------------------------
// Stream settings
// src_type = 2 (most other games have src_type = 0)
// ---------------------------------------------------------------------------------------
// Affected games:
// Baten Kaitos - Eternal Wings (2003)
// Baten Kaitos - Origins (2006)?
// ?
// ---------------------------------------------------------------------------------------
if(pb.src_type == 2)
{
pb.src.ratio_hi = 1;
}
// =======================================================================================
// =======================================================================================
// Games that use looping to play non-looping music streams. SSBM has info in all pb.adpcm_loop_info
// parameters but has pb.audio_addr.looping = 0. If we treat these streams like any other looping
// streams the music works.
// ---------------------------------------------------------------------------------------
if(pb.adpcm_loop_info.pred_scale || pb.adpcm_loop_info.yn1 || pb.adpcm_loop_info.yn2)
{
pb.audio_addr.looping = 1;
}
// =======================================================================================
// =======================================================================================
// Streaming music and volume - A lot of music in Paper Mario use the exat same settings, namely
// these:
// Base settings
// is_stream = 1
// src_type = 0
// coef (unknown1) = 1
// PBAudioAddr
// audio_addr.looping = 1 (adpcm_loop_info.pred_scale = value, .yn1 = 0, .yn2 = 0)
// However. Some of the ingame music and seemingly randomly some other music incorrectly get
// volume = 0 for both left and right. There's also an issue of a hanging very similar to the Baten
// hanging. The Baten issue fixed itself when the music stream was allowed to play to the end and
// then stop. However, all five music streams that is playing when the gate locks up in Paper Mario
// is loooping streams... I don't know what may be wrong.
// ---------------------------------------------------------------------------------------
// A game that may be used as a comparison is Starfox Assault also has is_stream = 1, but it
// has src_type = 1, coef (unknown1) = 0 and its pb.src.ratio_lo (fraction) != 0
// =======================================================================================
// =======================================================================================
// Walk through _iSize
for (int s = 0; s < _iSize; s++)
{
int sample = 0;
frac += ratio;
u32 newSamplePos = samplePos + (frac >> 16); //whole number of frac
// =======================================================================================
// Process sample format
// ---------------------------------------------------------------------------------------
switch (pb.audio_addr.sample_format)
{
case AUDIOFORMAT_PCM8:
pb.adpcm.yn2 = pb.adpcm.yn1; //save last sample
pb.adpcm.yn1 = ((s8)g_dspInitialize.pARAM_Read_U8(samplePos)) << 8;
if (pb.src_type == SRCTYPE_NEAREST)
{
sample = pb.adpcm.yn1;
}
else //linear interpolation
{
sample = (pb.adpcm.yn1 * (u16)frac + pb.adpcm.yn2 * (u16)(0xFFFF - frac)) >> 16;
}
samplePos = newSamplePos;
break;
case AUDIOFORMAT_PCM16:
pb.adpcm.yn2 = pb.adpcm.yn1; //save last sample
pb.adpcm.yn1 = (s16)(u16)((g_dspInitialize.pARAM_Read_U8(samplePos * 2) << 8) | (g_dspInitialize.pARAM_Read_U8((samplePos * 2 + 1))));
if (pb.src_type == SRCTYPE_NEAREST)
sample = pb.adpcm.yn1;
else //linear interpolation
sample = (pb.adpcm.yn1 * (u16)frac + pb.adpcm.yn2 * (u16)(0xFFFF - frac)) >> 16;
samplePos = newSamplePos;
break;
case AUDIOFORMAT_ADPCM:
sample = ADPCM_Step(pb, samplePos, newSamplePos, frac);
break;
default:
break;
}
// =======================================================================================
// =======================================================================================
// Volume control
frac &= 0xffff;
int vol = pb.vol_env.cur_volume >> 9;
sample = sample * vol >> 8;
if (pb.mixer_control & MIXCONTROL_RAMPING)
{
int x = pb.vol_env.cur_volume;
x += pb.vol_env.cur_volume_delta;
if (x < 0) x = 0;
if (x >= 0x7fff) x = 0x7fff;
pb.vol_env.cur_volume = x; // maybe not per sample?? :P
}
int leftmix = pb.mixer.volume_left >> 5;
int rightmix = pb.mixer.volume_right >> 5;
// =======================================================================================
int left = sample * leftmix >> 8;
int right = sample * rightmix >> 8;
//adpcm has to walk from oldSamplePos to samplePos here
templbuffer[s] += left;
temprbuffer[s] += right;
if (samplePos >= sampleEnd)
{
if (pb.audio_addr.looping == 1)
{
samplePos = loopPos;
if (pb.audio_addr.sample_format == AUDIOFORMAT_ADPCM)
ADPCM_Loop(pb);
}
else
{
pb.running = 0;
break;
}
}
} // end of the _iSize loop
// =======================================================================================
pb.src.cur_addr_frac = (u16)frac;
pb.audio_addr.cur_addr_hi = samplePos >> 16;
pb.audio_addr.cur_addr_lo = (u16)samplePos;
}
}
for (int i = 0; i < _iSize; i++)
{
// Clamp into 16-bit. Maybe we should add a volume compressor here.
int left = templbuffer[i];
int right = temprbuffer[i];
if (left < -32767) left = -32767;
if (left > 32767) left = 32767;
if (right < -32767) right = -32767;
if (right > 32767) right = 32767;
*_pBuffer++ += left;
*_pBuffer++ += right;
}
// write back out pbs
WriteBackPBs(PBs, numberOfPBs);
}
void CUCode_AX::Update()
{
// check if we have to sent something
if (!m_rMailHandler.IsEmpty())
{
g_dspInitialize.pGenerateDSPInterrupt();
}
}
// AX seems to bootup one task only and waits for resume-callbacks
// everytime the DSP has "spare time" it sends a resume-mail to the CPU
// and the __DSPHandler calls a AX-Callback which generates a new AXFrame
bool CUCode_AX::AXTask(u32& _uMail)
{
u32 uAddress = _uMail;
DebugLog("AXTask - AXCommandList-Addr: 0x%08x", uAddress);
u32 Addr__AXStudio;
u32 Addr__AXOutSBuffer;
u32 Addr__AXOutSBuffer_1;
u32 Addr__AXOutSBuffer_2;
u32 Addr__A;
u32 Addr__12;
u32 Addr__4_1;
u32 Addr__4_2;
u32 Addr__5_1;
u32 Addr__5_2;
u32 Addr__6;
u32 Addr__9;
bool bExecuteList = true;
while (bExecuteList)
{
static int last_valid_command = 0;
u16 iCommand = Memory_Read_U16(uAddress);
uAddress += 2;
switch (iCommand)
{
case AXLIST_STUDIOADDR: //00
Addr__AXStudio = Memory_Read_U32(uAddress);
uAddress += 4;
if (wii_mode)
uAddress += 6;
DebugLog("AXLIST studio address: %08x", Addr__AXStudio);
break;
case 0x001:
{
u32 address = Memory_Read_U32(uAddress);
uAddress += 4;
u16 param1 = Memory_Read_U16(uAddress);
uAddress += 2;
u16 param2 = Memory_Read_U16(uAddress);
uAddress += 2;
u16 param3 = Memory_Read_U16(uAddress);
uAddress += 2;
DebugLog("AXLIST 1: %08x, %04x, %04x, %04x", address, param1, param2, param3);
}
break;
//
// Somewhere we should be getting a bitmask of AX_SYNC values
// that tells us what has been updated
// Dunno if important
//
case AXLIST_PBADDR: //02
{
m_addressPBs = Memory_Read_U32(uAddress);
uAddress += 4;
DebugLog("AXLIST PB address: %08x", m_addressPBs);
}
break;
case 0x0003:
DebugLog("AXLIST command 0x0003 ????");
break;
case 0x0004:
Addr__4_1 = Memory_Read_U32(uAddress);
uAddress += 4;
Addr__4_2 = Memory_Read_U32(uAddress);
uAddress += 4;
DebugLog("AXLIST 4_1 4_2 addresses: %08x %08x", Addr__4_1, Addr__4_2);
break;
case 0x0005:
Addr__5_1 = Memory_Read_U32(uAddress);
uAddress += 4;
Addr__5_2 = Memory_Read_U32(uAddress);
uAddress += 4;
DebugLog("AXLIST 5_1 5_2 addresses: %08x %08x", Addr__5_1, Addr__5_2);
break;
case 0x0006:
Addr__6 = Memory_Read_U32(uAddress);
uAddress += 4;
DebugLog("AXLIST 6 address: %08x", Addr__6);
break;
case AXLIST_SBUFFER:
// Hopefully this is where in main ram to write.
Addr__AXOutSBuffer = Memory_Read_U32(uAddress);
uAddress += 4;
if (wii_mode) {
uAddress += 12;
}
DebugLog("AXLIST OutSBuffer address: %08x", Addr__AXOutSBuffer);
break;
case 0x0009:
Addr__9 = Memory_Read_U32(uAddress);
uAddress += 4;
DebugLog("AXLIST 6 address: %08x", Addr__9);
break;
case AXLIST_COMPRESSORTABLE: // 0xa
Addr__A = Memory_Read_U32(uAddress);
uAddress += 4;
if (wii_mode) {
// There's one more here.
// uAddress += 4;
}
DebugLog("AXLIST CompressorTable address: %08x", Addr__A);
break;
case 0x000e:
Addr__AXOutSBuffer_1 = Memory_Read_U32(uAddress);
uAddress += 4;
Addr__AXOutSBuffer_2 = Memory_Read_U32(uAddress);
uAddress += 4;
DebugLog("AXLIST sbuf2 addresses: %08x %08x", Addr__AXOutSBuffer_1, Addr__AXOutSBuffer_2);
break;
case AXLIST_END:
bExecuteList = false;
DebugLog("AXLIST end");
break;
case 0x0010: //Super Monkey Ball 2
DebugLog("AXLIST unknown");
//should probably read/skip stuff here
uAddress += 8;
break;
case 0x0011:
uAddress += 4;
break;
case 0x0012:
Addr__12 = Memory_Read_U16(uAddress);
uAddress += 2;
break;
case 0x0013:
uAddress += 6 * 4; // 6 Addresses.
break;
case 0x000d:
if (wii_mode) {
uAddress += 4 * 4; // 4 addresses. another aux?
break;
}
// non-wii : fall through
case 0x000b:
if (wii_mode) {
uAddress += 2; // one 0x8000 in rabbids
uAddress += 4 * 2; // then two RAM addressses
break;
}
// non-wii : fall through
default:
{
static bool bFirst = true;
if (bFirst == true)
{
char szTemp[2048];
sprintf(szTemp, "Unknown AX-Command 0x%x (address: 0x%08x). Last valid: %02x\n",
iCommand, uAddress - 2, last_valid_command);
int num = -32;
while (num < 64+32)
{
char szTemp2[128] = "";
sprintf(szTemp2, "%s0x%04x\n", num == 0 ? ">>" : " ", Memory_Read_U16(uAddress + num));
strcat(szTemp, szTemp2);
num += 2;
}
PanicAlert(szTemp);
bFirst = false;
}
// unknown command so stop the execution of this TaskList
bExecuteList = false;
}
break;
}
if (bExecuteList)
last_valid_command = iCommand;
}
DebugLog("AXTask - done, send resume");
// i hope resume is okay AX
m_rMailHandler.PushMail(0xDCD10001);
return true;
}
int CUCode_AX::ReadOutPBs(AXParamBlock* _pPBs, int _num)
{
int count = 0;
u32 blockAddr = m_addressPBs;
// reading and 'halfword' swap
for (int i = 0; i < _num; i++)
{
const short *pSrc = (const short *)g_dspInitialize.pGetMemoryPointer(blockAddr);
if (pSrc != NULL)
{
short *pDest = (short *)&_pPBs[i];
for (size_t p = 0; p < sizeof(AXParamBlock) / 2; p++)
{
pDest[p] = Common::swap16(pSrc[p]);
}
blockAddr = (_pPBs[i].next_pb_hi << 16) | _pPBs[i].next_pb_lo;
count++;
}
else
break;
}
// return the number of readed PBs
return count;
}
void CUCode_AX::WriteBackPBs(AXParamBlock* _pPBs, int _num)
{
u32 blockAddr = m_addressPBs;
// write back and 'halfword'swap
for (int i = 0; i < _num; i++)
{
short* pSrc = (short*)&_pPBs[i];
short* pDest = (short*)g_dspInitialize.pGetMemoryPointer(blockAddr);
for (size_t p = 0; p < sizeof(AXParamBlock) / 2; p++)
{
pDest[p] = Common::swap16(pSrc[p]);
}
// next block
blockAddr = (_pPBs[i].next_pb_hi << 16) | _pPBs[i].next_pb_lo;
}
}
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