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BizHawk/waterbox/pcfx/soundbox.cpp

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/******************************************************************************/
/* Mednafen NEC PC-FX Emulation Module */
/******************************************************************************/
/* soundbox.cpp:
** Copyright (C) 2006-2017 Mednafen Team
**
** 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; either version 2
** of the License, or (at your option) any later version.
**
** 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 for more details.
**
** You should have received a copy of the GNU General Public License
** along with this program; if not, write to the Free Software Foundation, Inc.,
** 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include "pcfx.h"
#include "soundbox.h"
#include "king.h"
#include "cdrom/cdromif.h"
#include "cdrom/scsicd.h"
#include "pce_psg/pce_psg.h"
#include "sound/OwlResampler.h"
#include <math.h>
#include <string.h>
namespace MDFN_IEN_PCFX
{
static const int StepSizes[49] =
{
16, 17, 19, 21, 23, 25, 28, 31, 34, 37, 41, 45, 50,
55, 60, 66, 73, 80, 88, 97, 107, 118, 130, 143, 157,
173, 190, 209, 230, 253, 279, 307, 337, 371, 408, 449,
494, 544, 598, 658, 724, 796, 876, 963, 1060, 1166, 1282, 1411, 1552};
static const int StepIndexDeltas[16] =
{
-1, -1, -1, -1, 2, 4, 6, 8,
-1, -1, -1, -1, 2, 4, 6, 8};
static OwlResampler *FXres = NULL;
static OwlBuffer *FXsbuf[2] = {NULL, NULL};
RavenBuffer *FXCDDABufs[2] = {NULL, NULL}; // Used in the CDROM code
static PCE_PSG *pce_psg = NULL;
static bool SoundEnabled;
static uint32 adpcm_lastts;
struct SoundBox
{
uint16 ADPCMControl;
uint8 ADPCMVolume[2][2]; // ADPCMVolume[channel(0 or 1)][left(0) or right(1)]
uint8 CDDAVolume[2];
int32 bigdiv;
int32 smalldiv;
int64 ResetAntiClick[2];
double VolumeFiltered[2][2];
double vf_xv[2][2][1 + 1], vf_yv[2][2][1 + 1];
int32 ADPCMDelta[2];
int32 ADPCMHaveDelta[2];
int32 ADPCMPredictor[2];
int32 StepSizeIndex[2];
uint32 ADPCMWhichNibble[2];
uint16 ADPCMHalfWord[2];
bool ADPCMHaveHalfWord[2];
int32 ADPCM_last[2][2];
};
static SoundBox sbox;
static double ADPCMVolTable[0x40];
static bool EmulateBuggyCodec; // If true, emulate the buggy codec/algorithm used by an official PC-FX ADPCM encoder, rather than how the
// hardware actually works.
static bool ResetAntiClickEnabled; // = true;
#ifdef WANT_DEBUGGER
enum
{
GSREG_ADPCM_CTRL = _PSG_GSREG_COUNT,
GSREG_ADPCM0_LVOL,
GSREG_ADPCM0_RVOL,
GSREG_ADPCM1_LVOL,
GSREG_ADPCM1_RVOL,
GSREG_ADPCM0_CUR,
GSREG_ADPCM1_CUR,
GSREG_CDDA_LVOL,
GSREG_CDDA_RVOL
};
#define CHPDMOO(n) \
{0, "--CH" #n "--:", "", 0xFFFF}, \
{PSG_GSREG_CH0_FREQ | (n << 8), "Freq", "PSG Ch" #n " Frequency(Period)", 2}, \
{PSG_GSREG_CH0_CTRL | (n << 8), "Ctrl", "PSG Ch" #n " Control", 1}, \
{PSG_GSREG_CH0_BALANCE | (n << 8), "Balance", "PSG Ch" #n " Balance", 1}, \
{PSG_GSREG_CH0_WINDEX | (n << 8), "WIndex", "PSG Ch" #n " Waveform Index", 1}, \
{ \
PSG_GSREG_CH0_SCACHE | (n << 8), "SCache", "PSG Ch" #n " Sample Cache", 1 \
}
static const RegType SBoxRegs[] =
{
{PSG_GSREG_SELECT, "Select", "PSG Channel Select", 1},
{PSG_GSREG_GBALANCE, "GBal", "PSG Global Balance", 1},
{PSG_GSREG_LFOFREQ, "LFOFreq", "PSG LFO Freq", 1},
{PSG_GSREG_LFOCTRL, "LFOCtrl", "PSG LFO Control", 1},
CHPDMOO(0),
CHPDMOO(1),
CHPDMOO(2),
CHPDMOO(3),
CHPDMOO(4),
{PSG_GSREG_CH4_NCTRL, "NCtrl", "PSG Ch4 Noise Control", 1},
{PSG_GSREG_CH4_LFSR, "LFSR", "PSG Ch4 Noise LFSR", 0x100 | 18},
CHPDMOO(5),
{PSG_GSREG_CH5_NCTRL, "NCtrl", "PSG Ch5 Noise Control", 1},
{PSG_GSREG_CH5_LFSR, "LFSR", "PSG Ch5 Noise LFSR", 0x100 | 18},
{0, "--ADPCM:--", "", 0xFFFF},
{GSREG_ADPCM_CTRL, "Ctrl", "ADPCM Control", 2},
{GSREG_ADPCM0_LVOL, "CH0LVol", "ADPCM Ch0 Left Volume", 1},
{GSREG_ADPCM0_RVOL, "CH0RVol", "ADPCM Ch0 Right Volume", 1},
{GSREG_ADPCM1_LVOL, "CH1LVol", "ADPCM Ch1 Left Volume", 1},
{GSREG_ADPCM1_RVOL, "CH1RVol", "ADPCM Ch1 Right Volume", 1},
{GSREG_ADPCM0_CUR, "CH0Prc", "ADPCM Ch0 Predictor Value", 2},
{GSREG_ADPCM1_CUR, "CH1Prc", "ADPCM Ch1 Predictor Value", 2},
{0, "--CD-DA:--", "", 0xFFFF},
{GSREG_CDDA_LVOL, "CDLVol", "CD-DA Left Volume", 1},
{GSREG_CDDA_RVOL, "CDRVol", "CD-DA Right Volume", 1},
{0, "", "", 0},
};
static uint32 SBoxDBG_GetRegister(const unsigned int id, char *special, const uint32 special_len)
{
uint32 value = 0xDEADBEEF;
switch (id)
{
case GSREG_ADPCM_CTRL:
value = sbox.ADPCMControl;
if (special)
{
int tmp_freq = 32 / (1 << (value & 0x3));
trio_snprintf(special, special_len, "Frequency: ~%dKHz, Ch0 Interpolation: %s, Ch1 Interpolation: %s, Ch0 Reset: %d, Ch1 Reset: %d", tmp_freq, (value & 0x4) ? "On" : "Off", (value & 0x8) ? "On" : "Off",
(int)(bool)(value & 0x10), (int)(bool)(value & 0x20));
}
break;
case GSREG_ADPCM0_LVOL:
value = sbox.ADPCMVolume[0][0];
break;
case GSREG_ADPCM0_RVOL:
value = sbox.ADPCMVolume[0][1];
break;
case GSREG_ADPCM1_LVOL:
value = sbox.ADPCMVolume[1][0];
break;
case GSREG_ADPCM1_RVOL:
value = sbox.ADPCMVolume[1][1];
break;
case GSREG_CDDA_LVOL:
value = sbox.CDDAVolume[0];
break;
case GSREG_CDDA_RVOL:
value = sbox.CDDAVolume[1];
break;
case GSREG_ADPCM0_CUR:
value = sbox.ADPCMPredictor[0] + 0x4000;
break;
case GSREG_ADPCM1_CUR:
value = sbox.ADPCMPredictor[1] + 0x4000;
break;
default:
value = pce_psg->GetRegister(id, special, special_len);
break;
}
return (value);
}
static void SBoxDBG_SetRegister(const unsigned int id, uint32 value)
{
if (id < _PSG_GSREG_COUNT)
pce_psg->SetRegister(id, value);
else
switch (id)
{
case GSREG_ADPCM_CTRL:
sbox.ADPCMControl = value & 0xFFFF;
break;
case GSREG_ADPCM0_LVOL:
sbox.ADPCMVolume[0][0] = value & 0x3F;
break;
case GSREG_ADPCM0_RVOL:
sbox.ADPCMVolume[0][1] = value & 0x3F;
break;
case GSREG_ADPCM1_LVOL:
sbox.ADPCMVolume[1][0] = value & 0x3F;
break;
case GSREG_ADPCM1_RVOL:
sbox.ADPCMVolume[1][1] = value & 0x3F;
break;
case GSREG_CDDA_LVOL:
sbox.CDDAVolume[0] = value & 0x3F;
SCSICD_SetCDDAVolume(0.50f * sbox.CDDAVolume[0] / 63, 0.50f * sbox.CDDAVolume[1] / 63);
break;
case GSREG_CDDA_RVOL:
sbox.CDDAVolume[1] = value & 0x3F;
SCSICD_SetCDDAVolume(0.50f * sbox.CDDAVolume[0] / 63, 0.50f * sbox.CDDAVolume[1] / 63);
break;
case GSREG_ADPCM0_CUR:
sbox.ADPCMPredictor[0] = ((int32)value & 0x7FFF) - 0x4000;
break;
case GSREG_ADPCM1_CUR:
sbox.ADPCMPredictor[1] = ((int32)value & 0x7FFF) - 0x4000;
break;
}
}
static const RegGroupType SBoxRegsGroup =
{
"SndBox",
SBoxRegs,
SBoxDBG_GetRegister,
SBoxDBG_SetRegister};
#endif
static void RedoVolume(void)
{
pce_psg->SetVolume(0.681); //0.227 * 0.50);
//ADPCMSynth.volume(0.50);
}
bool SoundBox_SetSoundRate(uint32 rate)
{
SoundEnabled = (bool)rate;
if (FXres)
{
delete FXres;
FXres = NULL;
}
if (rate > 0)
{
FXres = new OwlResampler(PCFX_MASTER_CLOCK / 12, rate, Setting_ResampRateError, 20, Setting_ResampQuality);
for (unsigned i = 0; i < 2; i++)
FXres->ResetBufResampState(FXsbuf[i]);
}
RedoVolume();
return (TRUE);
}
void SoundBox_Init(bool arg_EmulateBuggyCodec, bool arg_ResetAntiClickEnabled)
{
adpcm_lastts = 0;
SoundEnabled = false;
EmulateBuggyCodec = arg_EmulateBuggyCodec;
ResetAntiClickEnabled = arg_ResetAntiClickEnabled;
for (unsigned i = 0; i < 2; i++)
{
FXsbuf[i] = new OwlBuffer();
FXCDDABufs[i] = new RavenBuffer();
}
pce_psg = new PCE_PSG(FXsbuf[0]->Buf(), FXsbuf[1]->Buf(), PCE_PSG::REVISION_HUC6280A);
#ifdef WANT_DEBUGGER
MDFNDBG_AddRegGroup(&SBoxRegsGroup);
#endif
memset(&sbox, 0, sizeof(sbox));
// Build ADPCM volume table, 1.5dB per step, ADPCM volume settings of 0x0 through 0x1B result in silence.
for (int x = 0; x < 0x40; x++)
{
double flub = 1;
int vti = 0x3F - x;
if (x)
flub /= pow(2, (double)1 / 4 * x);
if (vti <= 0x1B)
ADPCMVolTable[vti] = 0;
else
ADPCMVolTable[vti] = flub;
}
}
/* Macro to access currently selected PSG channel */
void SoundBox_Write(uint32 A, uint16 V, const v810_timestamp_t timestamp)
{
A &= 0x3F;
if (A < 0x20)
{
pce_psg->Write(timestamp / 3, A >> 1, V);
}
else
{
//printf("%04x %04x %d\n", A, V, timestamp);
switch (A & 0x3F)
{
//default: printf("HARUM: %04x %04x\n", A, V); break;
case 0x20:
SoundBox_ADPCMUpdate(timestamp);
for (int ch = 0; ch < 2; ch++)
{
if (!(sbox.ADPCMControl & (0x10 << ch)) && (V & (0x10 << ch)))
{
//printf("Reset: %d\n", ch);
if (ResetAntiClickEnabled)
{
sbox.ResetAntiClick[ch] += (int64)((uint64)sbox.ADPCMPredictor[ch] << 32);
if (sbox.ResetAntiClick[ch] > ((int64)0x3FFF << 32))
sbox.ResetAntiClick[ch] = (int64)0x3FFF << 32;
if (sbox.ResetAntiClick[ch] < -((int64)0x4000 << 32))
sbox.ResetAntiClick[ch] = -((int64)0x4000 << 32);
}
sbox.ADPCMPredictor[ch] = 0;
sbox.StepSizeIndex[ch] = 0;
}
}
sbox.ADPCMControl = V;
break;
case 0x22:
SoundBox_ADPCMUpdate(timestamp);
sbox.ADPCMVolume[0][0] = V & 0x3F;
break;
case 0x24:
SoundBox_ADPCMUpdate(timestamp);
sbox.ADPCMVolume[0][1] = V & 0x3F;
break;
case 0x26:
SoundBox_ADPCMUpdate(timestamp);
sbox.ADPCMVolume[1][0] = V & 0x3F;
break;
case 0x28:
SoundBox_ADPCMUpdate(timestamp);
sbox.ADPCMVolume[1][1] = V & 0x3F;
break;
case 0x2A:
sbox.CDDAVolume[0] = V & 0x3F;
SCSICD_SetCDDAVolume(0.50f * sbox.CDDAVolume[0] / 63, 0.50f * sbox.CDDAVolume[1] / 63);
break;
case 0x2C:
sbox.CDDAVolume[1] = V & 0x3F;
SCSICD_SetCDDAVolume(0.50f * sbox.CDDAVolume[0] / 63, 0.50f * sbox.CDDAVolume[1] / 63);
break;
}
}
}
static uint32 KINGADPCMControl;
void SoundBox_SetKINGADPCMControl(uint32 value)
{
KINGADPCMControl = value;
}
/* Digital filter designed by mkfilter/mkshape/gencode A.J. Fisher
Command line: /www/usr/fisher/helpers/mkfilter -Bu -Lp -o 1 -a 1.5888889125e-04 0.0000000000e+00 -l */
static void DoVolumeFilter(int ch, int lr)
{
sbox.vf_xv[ch][lr][0] = sbox.vf_xv[ch][lr][1];
sbox.vf_xv[ch][lr][1] = (double)ADPCMVolTable[sbox.ADPCMVolume[ch][lr]] / 2.004348738e+03;
sbox.vf_yv[ch][lr][0] = sbox.vf_yv[ch][lr][1];
sbox.vf_yv[ch][lr][1] = (sbox.vf_xv[ch][lr][0] + sbox.vf_xv[ch][lr][1]) + (0.9990021696 * sbox.vf_yv[ch][lr][0]);
sbox.VolumeFiltered[ch][lr] = sbox.vf_yv[ch][lr][1];
}
static const int16 ADPCM_PhaseFilter[8][7] =
{
/* 0 */ {40, 283, 654, 683, 331, 56, 1}, // 2048
/* 1 */ {28, 238, 618, 706, 381, 75, 2}, // 2048
/* 2 */ {19, 197, 577, 720, 432, 99, 4}, // 2048
/* 3 */ {12, 160, 532, 726, 483, 128, 7}, // 2048
/* 4 */ {7, 128, 483, 726, 532, 160, 12}, // 2048
/* 5 */ {4, 99, 432, 720, 577, 197, 19}, // 2048
/* 6 */ {2, 75, 381, 706, 618, 238, 28}, // 2048
/* 7 */ {1, 56, 331, 683, 654, 283, 40}, // 2048
};
v810_timestamp_t SoundBox_ADPCMUpdate(const v810_timestamp_t timestamp)
{
int32 run_time = timestamp - adpcm_lastts;
adpcm_lastts = timestamp;
sbox.bigdiv -= run_time * 2;
while (sbox.bigdiv <= 0)
{
sbox.smalldiv--;
while (sbox.smalldiv <= 0)
{
sbox.smalldiv += 1 << ((KINGADPCMControl >> 2) & 0x3);
for (int ch = 0; ch < 2; ch++)
{
// Keep playing our last halfword fetched even if KING ADPCM is disabled
if (sbox.ADPCMHaveHalfWord[ch] || KINGADPCMControl & (1 << ch))
{
if (!sbox.ADPCMWhichNibble[ch])
{
sbox.ADPCMHalfWord[ch] = KING_GetADPCMHalfWord(ch);
sbox.ADPCMHaveHalfWord[ch] = TRUE;
}
// If the channel's reset bit is set, don't update its ADPCM state.
if (sbox.ADPCMControl & (0x10 << ch))
{
sbox.ADPCMDelta[ch] = 0;
}
else
{
uint8 nibble = (sbox.ADPCMHalfWord[ch] >> (sbox.ADPCMWhichNibble[ch])) & 0xF;
int32 BaseStepSize = StepSizes[sbox.StepSizeIndex[ch]];
//if(!ch)
//printf("Nibble: %02x\n", nibble);
if (EmulateBuggyCodec)
{
if (BaseStepSize == 1552)
BaseStepSize = 1522;
sbox.ADPCMDelta[ch] = BaseStepSize * ((nibble & 0x7) + 1) * 2;
}
else
sbox.ADPCMDelta[ch] = BaseStepSize * ((nibble & 0x7) + 1);
// Linear interpolation turned on?
if (sbox.ADPCMControl & (0x4 << ch))
sbox.ADPCMDelta[ch] >>= (KINGADPCMControl >> 2) & 0x3;
if (nibble & 0x8)
sbox.ADPCMDelta[ch] = -sbox.ADPCMDelta[ch];
sbox.StepSizeIndex[ch] += StepIndexDeltas[nibble];
if (sbox.StepSizeIndex[ch] < 0)
sbox.StepSizeIndex[ch] = 0;
if (sbox.StepSizeIndex[ch] > 48)
sbox.StepSizeIndex[ch] = 48;
}
sbox.ADPCMHaveDelta[ch] = 1;
// Linear interpolation turned on?
if (sbox.ADPCMControl & (0x4 << ch))
sbox.ADPCMHaveDelta[ch] = 1 << ((KINGADPCMControl >> 2) & 0x3);
sbox.ADPCMWhichNibble[ch] = (sbox.ADPCMWhichNibble[ch] + 4) & 0xF;
if (!sbox.ADPCMWhichNibble[ch])
sbox.ADPCMHaveHalfWord[ch] = FALSE;
}
} // for(int ch...)
} // while(sbox.smalldiv <= 0)
const uint32 synthtime42 = (timestamp << 1) + sbox.bigdiv;
const uint32 synthtime14 = synthtime42 / 3;
const uint32 synthtime = synthtime14 >> 3;
const unsigned synthtime_phase = synthtime14 & 7;
//printf("Phase: %d, %d\n", synthtime42 % 24, (synthtime42 / 3) & 7);
for (int ch = 0; ch < 2; ch++)
{
//if(!ch)
//{
// printf("%d\n", synthtime - last_synthtime);
// last_synthtime = synthtime;
//}
if (sbox.ADPCMHaveDelta[ch])
{
sbox.ADPCMPredictor[ch] += sbox.ADPCMDelta[ch];
sbox.ADPCMHaveDelta[ch]--;
if (sbox.ADPCMPredictor[ch] > 0x3FFF)
{
sbox.ADPCMPredictor[ch] = 0x3FFF; /*printf("Overflow: %d\n", ch);*/
}
if (sbox.ADPCMPredictor[ch] < -0x4000)
{
sbox.ADPCMPredictor[ch] = -0x4000; /*printf("Underflow: %d\n", ch);*/
}
}
else
{
}
if (SoundEnabled)
{
int32 samp[2];
if (EmulateBuggyCodec)
{
samp[0] = (int32)(((sbox.ADPCMPredictor[ch] >> 1) + (sbox.ResetAntiClick[ch] >> 33)) * sbox.VolumeFiltered[ch][0]);
samp[1] = (int32)(((sbox.ADPCMPredictor[ch] >> 1) + (sbox.ResetAntiClick[ch] >> 33)) * sbox.VolumeFiltered[ch][1]);
}
else
{
samp[0] = (int32)((sbox.ADPCMPredictor[ch] + (sbox.ResetAntiClick[ch] >> 32)) * sbox.VolumeFiltered[ch][0]);
samp[1] = (int32)((sbox.ADPCMPredictor[ch] + (sbox.ResetAntiClick[ch] >> 32)) * sbox.VolumeFiltered[ch][1]);
}
#if 0
printf("%d, %f %f\n", ch, sbox.VolumeFiltered[ch][0], sbox.VolumeFiltered[ch][1]);
{
static int inv = 0x1FFF;
samp[0] = samp[1] = inv;
if(ch == 1)
inv = -inv;
}
#endif
for (unsigned y = 0; y < 2; y++)
{
const int32 delta = samp[y] - sbox.ADPCM_last[ch][y];
int32 *tb = FXsbuf[y]->Buf() + (synthtime & 0xFFFF);
const int16 *coeffs = ADPCM_PhaseFilter[synthtime_phase];
for (unsigned c = 0; c < 7; c++)
{
int32 tmp = delta * coeffs[c];
tb[c] += tmp;
}
}
sbox.ADPCM_last[ch][0] = samp[0];
sbox.ADPCM_last[ch][1] = samp[1];
}
}
for (int ch = 0; ch < 2; ch++)
{
sbox.ResetAntiClick[ch] -= sbox.ResetAntiClick[ch] >> 8;
//if(ch)
// MDFN_DispMessage("%d", (int)(sbox.ResetAntiClick[ch] >> 32));
}
for (int ch = 0; ch < 2; ch++)
for (int lr = 0; lr < 2; lr++)
{
DoVolumeFilter(ch, lr);
}
sbox.bigdiv += 1365 * 2 / 2;
}
return (timestamp + (sbox.bigdiv + 1) / 2);
}
int32 SoundBox_Flush(const v810_timestamp_t end_timestamp, v810_timestamp_t *new_base_timestamp, int16 *SoundBuf, const int32 MaxSoundFrames, const bool reverse)
{
const uint32 end_timestamp_div3 = end_timestamp / 3;
const uint32 end_timestamp_div12 = end_timestamp / 12;
const uint32 end_timestamp_mod12 = end_timestamp % 12;
const unsigned rsc = std::min<unsigned>(65536, end_timestamp_div12);
int32 FrameCount = 0;
*new_base_timestamp = end_timestamp_mod12;
pce_psg->Update(end_timestamp_div3);
for (unsigned y = 0; y < 2; y++)
{
if (SoundEnabled && FXres)
{
FXsbuf[y]->Integrate(rsc, 0, 0, FXCDDABufs[y]);
FrameCount = FXres->Resample(FXsbuf[y], rsc, SoundBuf + y, MaxSoundFrames, reverse);
}
else
FXsbuf[y]->ResampleSkipped(rsc);
FXCDDABufs[y]->Finish(rsc);
}
return (FrameCount);
}
void SoundBox_ResetTS(const v810_timestamp_t ts_base)
{
pce_psg->ResetTS(ts_base / 3);
adpcm_lastts = ts_base;
}
void SoundBox_Reset(const v810_timestamp_t timestamp)
{
SoundBox_ADPCMUpdate(timestamp);
pce_psg->Power(timestamp / 3);
sbox.ADPCMControl = 0;
memset(&sbox.vf_xv, 0, sizeof(sbox.vf_xv));
memset(&sbox.vf_yv, 0, sizeof(sbox.vf_yv));
for (int lr = 0; lr < 2; lr++)
{
for (int ch = 0; ch < 2; ch++)
{
sbox.ADPCMVolume[ch][lr] = 0;
sbox.VolumeFiltered[ch][lr] = 0;
}
sbox.CDDAVolume[lr] = 0;
}
for (int ch = 0; ch < 2; ch++)
{
sbox.ADPCMPredictor[ch] = 0;
sbox.StepSizeIndex[ch] = 0;
}
memset(sbox.ADPCMWhichNibble, 0, sizeof(sbox.ADPCMWhichNibble));
memset(sbox.ADPCMHalfWord, 0, sizeof(sbox.ADPCMHalfWord));
memset(sbox.ADPCMHaveHalfWord, 0, sizeof(sbox.ADPCMHaveHalfWord));
SCSICD_SetCDDAVolume(0.50f * sbox.CDDAVolume[0] / 63, 0.50f * sbox.CDDAVolume[1] / 63);
sbox.bigdiv = 2; // TODO: KING->SBOX ADPCM Synch //(1365 - 85 * 4) * 2; //1365 * 2 / 2;
sbox.smalldiv = 0;
}
}
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