furnace/src/engine/platform/qsound.cpp
Laurens Holst 7f0074511c Move renderSamples() to DivDispatch implementations.
To prevent rendering samples for systems that are not in use.

Additionally, it gives the systems more flexibility to render the samples
according to their specific configuration.
2022-05-01 23:23:38 +02:00

715 lines
20 KiB
C++

/**
* Furnace Tracker - multi-system chiptune tracker
* Copyright (C) 2021-2022 tildearrow and contributors
*
* 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 "qsound.h"
#include "../engine.h"
#include "../../ta-log.h"
#include <math.h>
#include <map>
#define CHIP_DIVIDER (1248*2)
#define QS_NOTE_FREQUENCY(x) parent->calcBaseFreq(440,0x1000,(x)-3,false)
#define rWrite(a,v) {if(!skipRegisterWrites) {qsound_write_data(&chip,a,v); if(dumpWrites) addWrite(a,v); }}
#define immWrite(a,v) {qsound_write_data(&chip,a,v); if(dumpWrites) addWrite(a,v);}
const char* regCheatSheetQSound[]={
"Ch15_Bank", "00",
"Ch00_Start", "01",
"Ch00_Freq", "02",
"Ch00_Phase", "03",
"Ch00_Loop", "04",
"Ch00_End", "05",
"Ch00_Volume", "06",
"Ch00_Bank", "08",
"Ch01_Start", "09",
"Ch01_Freq", "0A",
"Ch01_Phase", "0B",
"Ch01_Loop", "0C",
"Ch01_End", "0D",
"Ch01_Volume", "0E",
"Ch01_Bank", "10",
"Ch02_Start", "11",
"Ch02_Freq", "12",
"Ch02_Phase", "13",
"Ch02_Loop", "14",
"Ch02_End", "15",
"Ch02_Volume", "16",
"Ch02_Bank", "18",
"Ch03_Start", "19",
"Ch03_Freq", "1A",
"Ch03_Phase", "1B",
"Ch03_Loop", "1C",
"Ch03_End", "1D",
"Ch03_Volume", "1E",
"Ch03_Bank", "20",
"Ch04_Start", "21",
"Ch04_Freq", "22",
"Ch04_Phase", "23",
"Ch04_Loop", "24",
"Ch04_End", "25",
"Ch04_Volume", "26",
"Ch04_Bank", "28",
"Ch05_Start", "29",
"Ch05_Freq", "2A",
"Ch05_Phase", "2B",
"Ch05_Loop", "2C",
"Ch05_End", "2D",
"Ch05_Volume", "2E",
"Ch05_Bank", "30",
"Ch06_Start", "31",
"Ch06_Freq", "32",
"Ch06_Phase", "33",
"Ch06_Loop", "34",
"Ch06_End", "35",
"Ch06_Volume", "36",
"Ch06_Bank", "38",
"Ch07_Start", "39",
"Ch07_Freq", "3A",
"Ch07_Phase", "3B",
"Ch07_Loop", "3C",
"Ch07_End", "3D",
"Ch07_Volume", "3E",
"Ch07_Bank", "40",
"Ch08_Start", "41",
"Ch08_Freq", "42",
"Ch08_Phase", "43",
"Ch08_Loop", "44",
"Ch08_End", "45",
"Ch08_Volume", "46",
"Ch08_Bank", "48",
"Ch09_Start", "49",
"Ch09_Freq", "4A",
"Ch09_Phase", "4B",
"Ch09_Loop", "4C",
"Ch09_End", "4D",
"Ch09_Volume", "4E",
"Ch09_Bank", "50",
"Ch10_Start", "51",
"Ch10_Freq", "52",
"Ch10_Phase", "53",
"Ch10_Loop", "54",
"Ch10_End", "55",
"Ch10_Volume", "56",
"Ch10_Bank", "58",
"Ch11_Start", "59",
"Ch11_Freq", "5A",
"Ch11_Phase", "5B",
"Ch11_Loop", "5C",
"Ch11_End", "5D",
"Ch11_Volume", "5E",
"Ch11_Bank", "60",
"Ch12_Start", "61",
"Ch12_Freq", "62",
"Ch12_Phase", "63",
"Ch12_Loop", "64",
"Ch12_End", "65",
"Ch12_Volume", "66",
"Ch12_Bank", "68",
"Ch13_Start", "69",
"Ch13_Freq", "6A",
"Ch13_Phase", "6B",
"Ch13_Loop", "6C",
"Ch13_End", "6D",
"Ch13_Volume", "6E",
"Ch13_Bank", "70",
"Ch14_Start", "71",
"Ch14_Freq", "72",
"Ch14_Phase", "73",
"Ch14_Loop", "74",
"Ch14_End", "75",
"Ch14_Volume", "76",
"Ch14_Bank", "78",
"Ch15_Start", "79",
"Ch15_Freq", "7A",
"Ch15_Phase", "7B",
"Ch15_Loop", "7C",
"Ch15_End", "7D",
"Ch15_Volume", "7E",
"Ch00_Panning", "80",
"Ch01_Panning", "81",
"Ch02_Panning", "82",
"Ch03_Panning", "83",
"Ch04_Panning", "84",
"Ch05_Panning", "85",
"Ch06_Panning", "86",
"Ch07_Panning", "87",
"Ch08_Panning", "88",
"Ch09_Panning", "89",
"Ch10_Panning", "8A",
"Ch11_Panning", "8B",
"Ch12_Panning", "8C",
"Ch13_Panning", "8D",
"Ch14_Panning", "8E",
"Ch15_Panning", "8F",
"Adpcm0_Panning","90",
"Adpcm1_Panning","91",
"Adpcm2_Panning","92",
"Echo_Feedback","93",
"Ch00_Echo", "BA",
"Ch01_Echo", "BB",
"Ch02_Echo", "BC",
"Ch03_Echo", "BD",
"Ch04_Echo", "BE",
"Ch05_Echo", "BF",
"Ch06_Echo", "C0",
"Ch07_Echo", "C1",
"Ch08_Echo", "C2",
"Ch09_Echo", "C3",
"Ch10_Echo", "C4",
"Ch11_Echo", "C5",
"Ch12_Echo", "C6",
"Ch13_Echo", "C7",
"Ch14_Echo", "C8",
"Ch15_Echo", "C9",
"Adpcm0_Start", "CA",
"Adpcm0_End", "CB",
"Adpcm0_Bank", "CC",
"Adpcm0_Volume","CD",
"Adpcm1_Start", "CE",
"Adpcm1_End", "CF",
"Adpcm1_Bank", "D0",
"Adpcm1_Volume","D1",
"Adpcm2_Start", "D2",
"Adpcm2_End", "D3",
"Adpcm2_Bank", "D4",
"Adpcm2_Volume","D5",
"Adpcm0_KeyOn", "D6",
"Adpcm1_KeyOn", "D7",
"Adpcm2_KeyOn", "D8",
"Echo_Delay", "D9",
"L_Wet_Filter", "DA",
"L_Dry_Filter", "DB",
"R_Wet_Filter", "DC",
"R_Dry_Filter", "DD",
"L_Wet_Delay", "DE",
"L_Dry_Delay", "DF",
"R_Wet_Delay", "E0",
"R_Dry_Delay", "E1",
"Delay_Flag", "E2",
"Mode_Select", "E3", //valid: 0000,0288,0039,061A,004F
"L_Wet_Volume", "E4",
"L_Dry_Volume", "E5",
"R_Wet_Volume", "E6",
"R_Dry_Volume", "E7",
NULL
};
enum q1_register_name {
Q1V_BANK = 0,
Q1V_START = 1,
Q1V_FREQ = 2,
Q1V_PHASE = 3,
Q1V_LOOP = 4,
Q1V_END = 5,
Q1V_VOL = 6,
Q1V_REG_COUNT = 7,
Q1_PAN = 0x80,
Q1_ECHO = 0xba,
Q1A_PAN = 0x90,
Q1A_START = 0xca,
Q1A_END = 0xcb,
Q1A_BANK = 0xcc,
Q1A_VOL = 0xcd,
Q1A_KEYON = 0xd6,
Q1_ECHO_FEEDBACK = 0x93,
Q1_ECHO_LENGTH = 0xd9,
};
const unsigned char q1_reg_map[Q1V_REG_COUNT][16] = {
{0x78,0x00,0x08,0x10,0x18,0x20,0x28,0x30,0x38,0x40,0x48,0x50,0x58,0x60,0x68,0x70},
{0x01,0x09,0x11,0x19,0x21,0x29,0x31,0x39,0x41,0x49,0x51,0x59,0x61,0x69,0x71,0x79},
{0x02,0x0a,0x12,0x1a,0x22,0x2a,0x32,0x3a,0x42,0x4a,0x52,0x5a,0x62,0x6a,0x72,0x7a},
{0x03,0x0b,0x13,0x1b,0x23,0x2b,0x33,0x3b,0x43,0x4b,0x53,0x5b,0x63,0x6b,0x73,0x7b},
{0x04,0x0c,0x14,0x1c,0x24,0x2c,0x34,0x3c,0x44,0x4c,0x54,0x5c,0x64,0x6c,0x74,0x7c},
{0x05,0x0d,0x15,0x1d,0x25,0x2d,0x35,0x3d,0x45,0x4d,0x55,0x5d,0x65,0x6d,0x75,0x7d},
{0x06,0x0e,0x16,0x1e,0x26,0x2e,0x36,0x3e,0x46,0x4e,0x56,0x5e,0x66,0x6e,0x76,0x7e},
};
const char** DivPlatformQSound::getRegisterSheet() {
return regCheatSheetQSound;
}
const char* DivPlatformQSound::getEffectName(unsigned char effect) {
switch (effect) {
case 0x10:
return "10xx: Set echo feedback level (00 to FF)";
break;
case 0x11:
return "11xx: Set channel echo level (00 to FF)";
break;
case 0x12:
return "12xx: Toggle QSound algorithm (0: disabled; 1: enabled)";
break;
default:
if ((effect & 0xf0) == 0x30) {
return "3xxx: Set echo delay buffer length (000 to AA5)";
}
}
return NULL;
}
void DivPlatformQSound::acquire(short* bufL, short* bufR, size_t start, size_t len) {
for (size_t h=start; h<start+len; h++) {
qsound_update(&chip);
bufL[h]=chip.out[0];
bufR[h]=chip.out[1];
for (int i=0; i<19; i++) {
int data=chip.voice_output[i]<<2;
if (data<-32768) data=-32768;
if (data>32767) data=32767;
oscBuf[i]->data[oscBuf[i]->needle++]=data;
}
}
}
void DivPlatformQSound::tick(bool sysTick) {
for (int i=0; i<16; i++) {
chan[i].std.next();
if (chan[i].std.vol.had) {
chan[i].outVol=((chan[i].vol&0xff)*chan[i].std.vol.val)>>6;
// Check if enabled and write volume
if (chan[i].active) {
rWrite(q1_reg_map[Q1V_VOL][i], chan[i].outVol << 4);
}
}
uint16_t qsound_bank = 0;
uint16_t qsound_addr = 0;
uint16_t qsound_loop = 0;
uint16_t qsound_end = 0;
double off=1.0;
if (chan[i].sample>=0 && chan[i].sample<parent->song.sampleLen) {
DivSample* s=parent->getSample(chan[i].sample);
if (s->centerRate<1) {
off=1.0;
} else {
off=(double)s->centerRate/24038.0/16.0;
}
qsound_bank = 0x8000 | (s->offQSound >> 16);
qsound_addr = s->offQSound & 0xffff;
int length = s->samples;
if (length > 65536 - 16) {
length = 65536 - 16;
}
if (s->loopStart == -1 || s->loopStart >= length) {
qsound_end = s->offQSound + length + 15;
qsound_loop = 15;
} else {
qsound_end = s->offQSound + length;
qsound_loop = length - s->loopStart;
}
}
if (chan[i].std.arp.had) {
if (!chan[i].inPorta) {
if (chan[i].std.arp.mode) {
chan[i].baseFreq=off*QS_NOTE_FREQUENCY(chan[i].std.arp.val);
} else {
chan[i].baseFreq=off*QS_NOTE_FREQUENCY(chan[i].note+chan[i].std.arp.val);
}
}
chan[i].freqChanged=true;
} else {
if (chan[i].std.arp.mode && chan[i].std.arp.finished) {
chan[i].baseFreq=off*QS_NOTE_FREQUENCY(chan[i].note);
chan[i].freqChanged=true;
}
}
if (chan[i].std.pitch.had) {
if (chan[i].std.pitch.mode) {
chan[i].pitch2+=chan[i].std.pitch.val;
CLAMP_VAR(chan[i].pitch2,-2048,2048);
} else {
chan[i].pitch2=chan[i].std.pitch.val;
}
chan[i].freqChanged=true;
}
if (chan[i].std.panL.had) { // panning
chan[i].panning=chan[i].std.panL.val+16;
}
if (chan[i].std.panR.had) { // surround
chan[i].surround=chan[i].std.panR.val;
}
if (chan[i].std.panL.had || chan[i].std.panR.had) {
immWrite(Q1_PAN+i,chan[i].panning+0x110+(chan[i].surround?0:0x30));
}
if (chan[i].freqChanged || chan[i].keyOn || chan[i].keyOff) {
//DivInstrument* ins=parent->getIns(chan[i].ins,DIV_INS_AMIGA);
chan[i].freq=parent->calcFreq(chan[i].baseFreq,chan[i].pitch,false,2,chan[i].pitch2);
if (chan[i].freq>0xffff) chan[i].freq=0xffff;
if (chan[i].keyOn) {
rWrite(q1_reg_map[Q1V_BANK][i], qsound_bank);
rWrite(q1_reg_map[Q1V_END][i], qsound_end);
rWrite(q1_reg_map[Q1V_LOOP][i], qsound_loop);
rWrite(q1_reg_map[Q1V_START][i], qsound_addr);
rWrite(q1_reg_map[Q1V_PHASE][i], 0x8000);
//logV("ch %d bank=%04x, addr=%04x, end=%04x, loop=%04x!",i,qsound_bank,qsound_addr,qsound_end,qsound_loop);
// Write sample address. Enable volume
if (!chan[i].std.vol.had) {
rWrite(q1_reg_map[Q1V_VOL][i], chan[i].vol << 4);
}
}
if (chan[i].keyOff) {
// Disable volume
rWrite(q1_reg_map[Q1V_VOL][i], 0);
rWrite(q1_reg_map[Q1V_FREQ][i], 0);
} else if (chan[i].active) {
//logV("ch %d frequency set to %04x, off=%f, note=%d, %04x!",i,chan[i].freq,off,chan[i].note,QS_NOTE_FREQUENCY(chan[i].note));
rWrite(q1_reg_map[Q1V_FREQ][i], chan[i].freq);
}
if (chan[i].keyOn) chan[i].keyOn=false;
if (chan[i].keyOff) chan[i].keyOff=false;
chan[i].freqChanged=false;
}
}
}
int DivPlatformQSound::dispatch(DivCommand c) {
switch (c.cmd) {
case DIV_CMD_NOTE_ON: {
DivInstrument* ins=parent->getIns(chan[c.chan].ins,DIV_INS_AMIGA);
chan[c.chan].sample=ins->amiga.initSample;
double off=1.0;
if (chan[c.chan].sample>=0 && chan[c.chan].sample<parent->song.sampleLen) {
DivSample* s=parent->getSample(chan[c.chan].sample);
if (s->centerRate<1) {
off=1.0;
} else {
off=(double)s->centerRate/24038.0/16.0;
}
}
if (c.value!=DIV_NOTE_NULL) {
chan[c.chan].baseFreq=off*QS_NOTE_FREQUENCY(c.value);
}
if (chan[c.chan].sample<0 || chan[c.chan].sample>=parent->song.sampleLen) {
chan[c.chan].sample=-1;
}
if (c.value!=DIV_NOTE_NULL) {
chan[c.chan].freqChanged=true;
chan[c.chan].note=c.value;
}
chan[c.chan].active=true;
chan[c.chan].keyOn=true;
chan[c.chan].macroInit(ins);
break;
}
case DIV_CMD_NOTE_OFF:
chan[c.chan].sample=-1;
chan[c.chan].active=false;
chan[c.chan].keyOff=true;
chan[c.chan].macroInit(NULL);
break;
case DIV_CMD_NOTE_OFF_ENV:
case DIV_CMD_ENV_RELEASE:
chan[c.chan].std.release();
break;
case DIV_CMD_INSTRUMENT:
if (chan[c.chan].ins!=c.value || c.value2==1) {
chan[c.chan].ins=c.value;
}
break;
case DIV_CMD_VOLUME:
if (chan[c.chan].vol!=c.value) {
chan[c.chan].vol=c.value;
if (!chan[c.chan].std.vol.has) {
// Check if enabled and write volume
chan[c.chan].outVol=c.value;
if (chan[c.chan].active && c.chan < 16) {
rWrite(q1_reg_map[Q1V_VOL][c.chan], chan[c.chan].outVol << 4);
}
}
}
break;
case DIV_CMD_GET_VOLUME:
if (chan[c.chan].std.vol.has) {
return chan[c.chan].vol;
}
return chan[c.chan].outVol;
break;
case DIV_CMD_PANNING:
chan[c.chan].panning=parent->convertPanSplitToLinearLR(c.value,c.value2,32);
immWrite(Q1_PAN+c.chan,chan[c.chan].panning+0x110+(chan[c.chan].surround?0:0x30));
break;
case DIV_CMD_QSOUND_ECHO_LEVEL:
immWrite(Q1_ECHO+c.chan, c.value << 7);
break;
case DIV_CMD_QSOUND_ECHO_FEEDBACK:
immWrite(Q1_ECHO_FEEDBACK, c.value << 6);
break;
case DIV_CMD_QSOUND_ECHO_DELAY:
immWrite(Q1_ECHO_LENGTH, (c.value > 2725 ? 0xfff : 0xfff - (2725 - c.value)));
break;
case DIV_CMD_QSOUND_SURROUND:
chan[c.chan].surround=c.value;
immWrite(Q1_PAN+c.chan,chan[c.chan].panning+0x110+(chan[c.chan].surround?0:0x30));
break;
case DIV_CMD_PITCH:
chan[c.chan].pitch=c.value;
chan[c.chan].freqChanged=true;
break;
case DIV_CMD_NOTE_PORTA: {
double off=1.0;
if (chan[c.chan].sample>=0 && chan[c.chan].sample<parent->song.sampleLen) {
DivSample* s=parent->getSample(chan[c.chan].sample);
if (s->centerRate<1) {
off=1.0;
} else {
off=(double)s->centerRate/24038.0/16.0;
}
}
int destFreq=off*QS_NOTE_FREQUENCY(c.value2);
bool return2=false;
if (destFreq>chan[c.chan].baseFreq) {
chan[c.chan].baseFreq+=c.value;
if (chan[c.chan].baseFreq>=destFreq) {
chan[c.chan].baseFreq=destFreq;
return2=true;
}
} else {
chan[c.chan].baseFreq-=c.value;
if (chan[c.chan].baseFreq<=destFreq) {
chan[c.chan].baseFreq=destFreq;
return2=true;
}
}
chan[c.chan].freqChanged=true;
if (return2) {
chan[c.chan].inPorta=false;
return 2;
}
break;
}
case DIV_CMD_LEGATO: {
double off=1.0;
if (chan[c.chan].sample>=0 && chan[c.chan].sample<parent->song.sampleLen) {
DivSample* s=parent->getSample(chan[c.chan].sample);
if (s->centerRate<1) {
off=1.0;
} else {
off=(double)s->centerRate/24038.0/16.0;
}
}
chan[c.chan].baseFreq=off*QS_NOTE_FREQUENCY(c.value+((chan[c.chan].std.arp.will && !chan[c.chan].std.arp.mode)?(chan[c.chan].std.arp.val-12):(0)));
chan[c.chan].freqChanged=true;
chan[c.chan].note=c.value;
break;
}
case DIV_CMD_PRE_PORTA:
if (chan[c.chan].active && c.value2) {
if (parent->song.resetMacroOnPorta) chan[c.chan].macroInit(parent->getIns(chan[c.chan].ins,DIV_INS_AMIGA));
}
chan[c.chan].inPorta=c.value;
break;
case DIV_CMD_GET_VOLMAX:
return 255;
break;
case DIV_ALWAYS_SET_VOLUME:
return 1;
break;
default:
break;
}
return 1;
}
void DivPlatformQSound::muteChannel(int ch, bool mute) {
if (mute) {
chip.mute_mask|=(1<<ch);
} else {
chip.mute_mask&=~(1<<ch);
}
}
void DivPlatformQSound::forceIns() {
for (int i=0; i<4; i++) {
chan[i].insChanged=true;
chan[i].freqChanged=true;
chan[i].sample=-1;
}
}
void* DivPlatformQSound::getChanState(int ch) {
return &chan[ch];
}
DivDispatchOscBuffer* DivPlatformQSound::getOscBuffer(int ch) {
return oscBuf[ch];
}
void DivPlatformQSound::reset() {
for (int i=0; i<16; i++) {
chan[i]=DivPlatformQSound::Channel();
chan[i].std.setEngine(parent);
}
qsound_reset(&chip);
while(!chip.ready_flag) {
qsound_update(&chip);
}
immWrite(Q1_ECHO_LENGTH, 0xfff - (2725 - echoDelay));
immWrite(Q1_ECHO_FEEDBACK, echoFeedback << 6);
}
bool DivPlatformQSound::isStereo() {
return true;
}
bool DivPlatformQSound::keyOffAffectsArp(int ch) {
return true;
}
void DivPlatformQSound::notifyInsChange(int ins) {
for (int i=0; i<4; i++) {
if (chan[i].ins==ins) {
chan[i].insChanged=true;
}
}
}
void DivPlatformQSound::notifyWaveChange(int wave) {
// TODO when wavetables are added
// TODO they probably won't be added unless the samples reside in RAM
}
void DivPlatformQSound::notifyInsDeletion(void* ins) {
for (int i=0; i<4; i++) {
chan[i].std.notifyInsDeletion((DivInstrument*)ins);
}
}
void DivPlatformQSound::setFlags(unsigned int flags) {
echoDelay = 2725 - (flags & 0xfff);
echoFeedback = (flags >> 12) & 255;
if(echoDelay < 0) {
echoDelay = 0;
}
if(echoDelay > 2725) {
echoDelay = 2725;
}
//rate=chipClock/CHIP_DIVIDER;
}
void DivPlatformQSound::poke(unsigned int addr, unsigned short val) {
immWrite(addr, val);
immWrite(addr, val);
}
void DivPlatformQSound::poke(std::vector<DivRegWrite>& wlist) {
for (DivRegWrite& i: wlist) immWrite(i.addr,i.val);
}
unsigned char* DivPlatformQSound::getRegisterPool() {
unsigned short* regPoolPtr = regPool;
for(int i=0; i<256; i++)
{
uint16_t data = qsound_read_data(&chip, i);
*regPoolPtr++ = data;
}
return (unsigned char*)regPool;
}
int DivPlatformQSound::getRegisterPoolSize() {
return 256;
}
int DivPlatformQSound::getRegisterPoolDepth() {
return 16;
}
const void* DivPlatformQSound::getSampleMem(int index) {
return index == 0 ? sampleMem : NULL;
}
size_t DivPlatformQSound::getSampleMemCapacity(int index) {
return index == 0 ? 16777216 : 0;
}
size_t DivPlatformQSound::getSampleMemUsage(int index) {
return index == 0 ? sampleMemLen : 0;
}
void DivPlatformQSound::renderSamples() {
memset(sampleMem,0,getSampleMemCapacity());
size_t memPos=0;
for (int i=0; i<parent->song.sampleLen; i++) {
DivSample* s=parent->song.sample[i];
int length=s->length8;
if (length>65536-16) {
length=65536-16;
}
if ((memPos&0xff0000)!=((memPos+length)&0xff0000)) {
memPos=(memPos+0xffff)&0xff0000;
}
if (memPos>=getSampleMemCapacity()) {
logW("out of QSound PCM memory for sample %d!",i);
break;
}
if (memPos+length>=getSampleMemCapacity()) {
for (unsigned int i=0; i<getSampleMemCapacity()-(memPos+length); i++) {
sampleMem[(memPos+i)^0x8000]=s->data8[i];
}
logW("out of QSound PCM memory for sample %d!",i);
} else {
for (int i=0; i<length; i++) {
sampleMem[(memPos+i)^0x8000]=s->data8[i];
}
}
s->offQSound=memPos^0x8000;
memPos+=length+16;
}
sampleMemLen=memPos+256;
}
int DivPlatformQSound::init(DivEngine* p, int channels, int sugRate, unsigned int flags) {
parent=p;
dumpWrites=false;
skipRegisterWrites=false;
for (int i=0; i<19; i++) {
oscBuf[i]=new DivDispatchOscBuffer;
//isMuted[i]=false;
}
setFlags(flags);
chipClock=60000000;
rate = qsound_start(&chip, chipClock);
sampleMem=new unsigned char[getSampleMemCapacity()];
sampleMemLen=0;
chip.rom_data=sampleMem;
chip.rom_mask=0xffffff;
reset();
for (int i=0; i<19; i++) {
oscBuf[i]->rate=rate;
}
return 19;
}
void DivPlatformQSound::quit() {
delete[] sampleMem;
for (int i=0; i<19; i++) {
delete oscBuf[i];
}
}