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MemoryView can now view ARAM (rightclick -> toggle memory). Add "search for instruction" capability to debugger. Code cleanup, log zelda pb type (9 all the time in Zelda Four Swords)

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git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@3479 8ced0084-cf51-0410-be5f-012b33b47a6e
This commit is contained in:
hrydgard
2009-06-17 19:50:59 +00:00
parent 9d9ce4274b
commit 51cbdea782
19 changed files with 199 additions and 194 deletions
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127
Source/Plugins/Plugin_DSP_HLE/Src/UCodes/UCode_Zelda.cpp
View File

@ -27,84 +27,63 @@
#include "../main.h"
#include "Mixer.h"
namespace {
CompileTimeAssert<sizeof(ZPB) == 0x180> dummy_name;
}
// TODO: replace with table from RAM.
unsigned short afccoef[16][2] =
{{0,0},
{0x0800,0},
{0,0x0800},
{0x0400,0x0400},
{0x1000,0xf800},
{0x0e00,0xfa00},
{0x0c00,0xfc00},
{0x1200,0xf600},
{0x1068,0xf738},
{0x12c0,0xf704},
{0x1400,0xf400},
{0x0800,0xf800},
{0x0400,0xfc00},
{0xfc00,0x0400},
{0xfc00,0},
{0xf800,0}};
const u16 afccoef[16][2] =
{
{0,0}, {0x0800,0}, {0, 0x0800},{0x0400,0x0400},
{0x1000,0xf800},{0x0e00,0xfa00},{0x0c00,0xfc00},{0x1200,0xf600},
{0x1068,0xf738},{0x12c0,0xf704},{0x1400,0xf400},{0x0800,0xf800},
{0x0400,0xfc00},{0xfc00,0x0400},{0xfc00,0}, {0xf800,0}
};
// Decoder from in_cube by hcs/destop/etc. Haven't yet found a valid use for it.
// Looking at in_cube, it seems to be 9 bytes of input = 16 samples of output.
// Different from AX ADPCM which is 8 bytes of input = 14 samples of output.
void AFCdecodebuffer
(
u8 *input, // location of encoded source samples
s16 *out, // location of destination buffer (16 bits / sample)
short *histp,
short *hist2p
)
// input = location of encoded source samples
// out = location of destination buffer (16 bits / sample)
void AFCdecodebuffer(const u8 *input, s16 *out, short *histp, short *hist2p)
{
int sample;
short nibbles[16];
u8 *src, *dst;
short idx;
short delta;
short hist=*histp;
short hist2=*hist2p;
dst = (u8 *)out;
src = input;
delta = 1 << (((*src) >> 4)&0xf);
idx = (*src) & 0xf;
u8 *dst = (u8 *)out;
short hist = *histp;
short hist2 = *hist2p;
const u8 *src = input;
// 9 bytes input - first byte contain delta scaling and coef index.
const short delta = 1 << (((*src) >> 4) & 0xf);
const short idx = *src & 0xf;
src++;
for (int i = 0; i < 16; i = i + 2)
// denibble the rest of the 8 bytes into 16 values.
for (int i = 0; i < 16; i += 2)
{
int j = ( *src & 255) >> 4;
int j = *src >> 4;
nibbles[i] = j;
j = *src & 255 & 15;
j = *src & 0xF;
nibbles[i + 1] = j;
src++;
}
for (int i = 0; i < 16; i = i + 1)
// make the nibbles signed.
for (int i = 0; i < 16; i++)
{
if (nibbles[i] >= 8)
nibbles[i] = nibbles[i] - 16;
}
for (int i = 0; i < 16; i = i + 1)
// Perform ADPCM filtering.
for (int i = 0; i < 16; i++)
{
sample = (delta * nibbles[i]) << 11;
int sample = (delta * nibbles[i]) << 11;
sample += ((long)hist * afccoef[idx][0]) + ((long)hist2 * afccoef[idx][1]);
sample = sample >> 11;
if(sample > 32767) {
// Clamp sample.
if (sample > 32767) {
sample = 32767;
}
if(sample < -32768) {
if (sample < -32768) {
sample = -32768;
}
@ -115,12 +94,12 @@ void AFCdecodebuffer
hist = (short)sample;
}
*histp=hist;
*hist2p=hist2;
// Store state.
*histp = hist;
*hist2p = hist2;
}
CUCode_Zelda::CUCode_Zelda(CMailHandler& _rMailHandler)
: IUCode(_rMailHandler)
, m_bSyncInProgress(false)
@ -136,6 +115,9 @@ CUCode_Zelda::CUCode_Zelda(CMailHandler& _rMailHandler)
, m_bListInProgress(false)
, m_step(0)
, m_readOffset(0)
, num_param_blocks(0)
, param_blocks_ptr(0)
, param_blocks2_ptr(0)
{
DEBUG_LOG(DSPHLE, "UCode_Zelda - add boot mails for handshake");
@ -163,15 +145,7 @@ void CUCode_Zelda::Update(int cycles)
void CUCode_Zelda::HandleMail(u32 _uMail)
{
// XK: Sync mails spam the logs
/*
DEBUG_LOG(DSPHLE, "Zelda mail 0x%08X, list in progress? %s, sync in progress? %s", _uMail,
m_bListInProgress ? "Yes" : "No", m_bSyncInProgress ? "Yes" : "No");
*/
// SetupTable
// in WW we get SetDolbyDelay
// SyncFrame
// The last mails we get before the audio goes bye-bye
// When we used to lose sync, the last mails we get before the audio goes bye-bye
// 0
// 0x00000
// 0
@ -180,8 +154,7 @@ void CUCode_Zelda::HandleMail(u32 _uMail)
// 0x20000
// 0
// 0x30000
// And then silence...
// And then silence... Looks like some reverse countdown :)
if (m_bSyncInProgress)
{
if (m_bSyncCmdPending)
@ -223,14 +196,15 @@ void CUCode_Zelda::HandleMail(u32 _uMail)
return;
}
if(_uMail != 0) {
if (_uMail != 0)
{
DEBUG_LOG(DSPHLE, "Zelda mail 0x%08X, list in progress? %s", _uMail,
m_bListInProgress ? "Yes" : "No");
}
if (m_bListInProgress)
{
if (m_step < 0 || m_step >= sizeof(m_Buffer)/4)
if (m_step < 0 || m_step >= sizeof(m_Buffer) / 4)
PanicAlert("m_step out of range");
((u32*)m_Buffer)[m_step] = _uMail;
@ -315,7 +289,7 @@ void CUCode_Zelda::ExecuteList()
// SyncFrame ... zelda ww jumps to 0x0243
case 0x02:
{
u32 tmp[3];
u32 tmp[2];
tmp[0] = Read32();
tmp[1] = Read32();
@ -346,12 +320,13 @@ void CUCode_Zelda::ExecuteList()
CopyPBsFromRAM();
for (int i = 0; i < num_param_blocks; i++)
{
const ZPB &pb = zpbs[i];
// The only thing that consistently looks like a pointer in the param blocks.
u32 addr = (zpbs[i].addr_high << 16) | zpbs[i].addr_low;
u32 addr = (pb.addr_high << 16) | pb.addr_low;
if (addr)
{
DEBUG_LOG(DSPHLE, "Param block: ==== %i ( %08x ) ====", i, GetParamBlockAddr(i));
DEBUG_LOG(DSPHLE, "Addr: %08x", addr);
DEBUG_LOG(DSPHLE, "Addr: %08x Type: %i", addr, pb.type);
// Got one! Read from ARAM, dump to file.
// I can't get the below to produce anything resembling sane audio :(
@ -406,11 +381,9 @@ void CUCode_Zelda::ExecuteList()
// DsetDolbyDelay ... zelda ww jumps to 0x00b2
case 0x0d:
{
u32 tmp[2];
tmp[0] = Read32();
u32 tmp = Read32();
DEBUG_LOG(DSPHLE, "DSetDolbyDelay");
DEBUG_LOG(DSPHLE, "DOLBY2_DELAY_BUF (size 0x960): 0x%08x", tmp[0]);
DEBUG_LOG(DSPHLE, "DOLBY2_DELAY_BUF (size 0x960): 0x%08x", tmp);
}
break;
@ -473,11 +446,13 @@ void CUCode_Zelda::CopyPBsToRAM()
}
}
// size is in stereo samples.
void CUCode_Zelda::MixAdd(short* buffer, int size)
{
//TODO(XK): Zelda UCode MixAdd?
// for (int i = 0; i < size; i++) {
// buffer[i] = rand();
// for (int i = 0; i < size; i++)
// {
// buffer[i*2] = rand();
// buffer[i*2+1] = rand();
// }
}

64
Source/Plugins/Plugin_DSP_HLE/Src/UCodes/UCode_Zelda.h
View File

@ -21,26 +21,36 @@
#include "Common.h"
#include "UCodes.h"
// Here's a piece of pure guesswork, looking at random supposedly-PBs
// from Zelda Four Swords.
// These are 0x180 bytes large.
// Zelda WW param blocks. These are 0x180 bytes large.
// According to FIRES, the ucodes copies 0xc0 shorts (0x180 bytes) from RAM
// but only writes back 0x80 shorts (0x100 bytes). So the last 0x80 are "read only".
struct ZPB
{
u16 temp[0x80];
u16 temp2; u16 temp3;
u16 whatever[0x14 / 2];
// R/W data =============
// AFC history (2 shorts) must be in here somewhere, plus lots of other state.
u16 rw_unknown[0x80];
// Read only data
u16 type; // 0x5, 0x9 = AFC.
u16 r_unknown1;
u16 r_unknown2[0x14 / 2];
// Not sure what addresses this is, hopefully to sample data in ARAM.
// These are the only things in the param blocks that look a lot like pointers.
u16 addr_high; // at 0x18 = 0xC * 2
u16 addr_low;
u16 filler[(0x80 - 0x1C) / 2];
u16 r_unknown3[(0x80 - 0x1C) / 2];
};
namespace {
// If this miscompiles, adjust the size of ZPB to 0x180 bytes (0xc0 shorts).
CompileTimeAssert<sizeof(ZPB) == 0x180> ensure_zpb_size_correct;
} // namespace
// Zelda UCode - the big mystery.
class CUCode_Zelda : public IUCode
{
private:
@ -54,6 +64,7 @@ private:
DSP_UNKN = 0xDCD10005,
};
// Sync =========================================
bool m_bSyncInProgress;
u32 m_SyncIndex;
u32 m_SyncStep;
@ -69,17 +80,24 @@ private:
u32 m_SyncCount;
u32 m_SyncMax;
// List in progress
// List, buffer management =====================
u32 m_numSteps;
bool m_bListInProgress;
u32 m_step;
u8 m_Buffer[1024];
void ExecuteList();
u32 m_readOffset;
u32 Read32() {
u32 res = *(u32*)&m_Buffer[m_readOffset];
m_readOffset += 4;
if ((m_readOffset >> 2) >= m_numSteps + 1) {
WARN_LOG(DSPHLE, "Read32 out of bounds");
}
return res;
}
// Param blocks, mixer state ====================
// HLE state
int num_param_blocks;
@ -96,27 +114,6 @@ private:
return param_blocks_ptr + sizeof(ZPB) * block_no;
}
u8 Read8()
{
return m_Buffer[m_readOffset++];
}
u16 Read16()
{
u16 res = *(u16*)&m_Buffer[m_readOffset];
m_readOffset += 2;
return res;
}
u32 Read32()
{
u32 res = *(u32*)&m_Buffer[m_readOffset];
m_readOffset += 4;
if ((m_readOffset >> 2) >= m_numSteps + 1) {
WARN_LOG(DSPHLE, "Read32 out of bounds");
}
return res;
}
public:
CUCode_Zelda(CMailHandler& _rMailHandler);
@ -128,4 +125,3 @@ public:
};
#endif