mirror of
https://github.com/tildearrow/furnace.git
synced 2024-11-22 12:35:11 +00:00
early OKI MSM6295 work
This commit is contained in:
tildearrow
parent
133b213998
commit
f25cd17590
5 changed files with 476 additions and 1 deletions
|
|
@ -398,6 +398,7 @@ src/engine/platform/fds.cpp
|
|||
src/engine/platform/tia.cpp
|
||||
src/engine/platform/saa.cpp
|
||||
src/engine/platform/amiga.cpp
|
||||
src/engine/platform/msm6295.cpp
|
||||
src/engine/platform/pcspkr.cpp
|
||||
src/engine/platform/segapcm.cpp
|
||||
src/engine/platform/qsound.cpp
|
||||
|
|
|
|||
|
|
@ -21,6 +21,7 @@
|
|||
#include "engine.h"
|
||||
#include "platform/genesis.h"
|
||||
#include "platform/genesisext.h"
|
||||
#include "platform/msm6295.h"
|
||||
#include "platform/namcowsg.h"
|
||||
#include "platform/sms.h"
|
||||
#include "platform/opll.h"
|
||||
|
|
@ -364,6 +365,9 @@ void DivDispatchContainer::init(DivSystem sys, DivEngine* eng, int chanCount, do
|
|||
case DIV_SYSTEM_SOUND_UNIT:
|
||||
dispatch=new DivPlatformSoundUnit;
|
||||
break;
|
||||
case DIV_SYSTEM_MSM6295:
|
||||
dispatch=new DivPlatformMSM6295;
|
||||
break;
|
||||
case DIV_SYSTEM_NAMCO:
|
||||
dispatch=new DivPlatformNamcoWSG;
|
||||
// Pac-Man (TODO: support Pole Position?)
|
||||
|
|
|
|||
334
src/engine/platform/msm6295.cpp
Normal file
334
src/engine/platform/msm6295.cpp
Normal file
|
|
@ -0,0 +1,334 @@
|
|||
/**
|
||||
* 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 "msm6295.h"
|
||||
#include "../engine.h"
|
||||
#include "../../ta-log.h"
|
||||
#include <string.h>
|
||||
#include <math.h>
|
||||
|
||||
#define rWrite(v) if (!skipRegisterWrites) {writes.emplace(0,v); if (dumpWrites) {addWrite(0,v);} }
|
||||
#define CHIP_DIVIDER 32
|
||||
|
||||
const char** DivPlatformMSM6295::getRegisterSheet() {
|
||||
return NULL;
|
||||
}
|
||||
|
||||
const char* DivPlatformMSM6295::getEffectName(unsigned char effect) {
|
||||
return NULL;
|
||||
}
|
||||
|
||||
u8 DivMSM6295Interface::read_byte(u32 address) {
|
||||
return adpcmMem[address&0xffff];
|
||||
}
|
||||
|
||||
void DivPlatformMSM6295::acquire(short* bufL, short* bufR, size_t start, size_t len) {
|
||||
for (size_t h=start; h<start+len; h++) {
|
||||
if (delay<=0) {
|
||||
if (!writes.empty()) {
|
||||
QueuedWrite& w=writes.front();
|
||||
msm->command_w(w.val);
|
||||
writes.pop();
|
||||
delay=64;
|
||||
}
|
||||
} else {
|
||||
delay--;
|
||||
}
|
||||
|
||||
msm->tick();
|
||||
|
||||
bufL[h]=msm->out()<<4;
|
||||
}
|
||||
}
|
||||
|
||||
void DivPlatformMSM6295::tick(bool sysTick) {
|
||||
for (int i=0; i<4; i++) {
|
||||
if (chan[i].furnacePCM) {
|
||||
chan[i].std.next();
|
||||
|
||||
if (chan[i].std.vol.had) {
|
||||
chan[i].outVol=(chan[i].vol*MIN(8,chan[i].std.vol.val))/8;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
int DivPlatformMSM6295::dispatch(DivCommand c) {
|
||||
switch (c.cmd) {
|
||||
case DIV_CMD_NOTE_ON: {
|
||||
DivInstrument* ins=parent->getIns(chan[c.chan].ins,DIV_INS_FM);
|
||||
if (ins->type==DIV_INS_AMIGA) {
|
||||
chan[c.chan].furnacePCM=true;
|
||||
} else {
|
||||
chan[c.chan].furnacePCM=false;
|
||||
}
|
||||
if (skipRegisterWrites) break;
|
||||
if (chan[c.chan].furnacePCM) {
|
||||
chan[c.chan].macroInit(ins);
|
||||
if (!chan[c.chan].std.vol.will) {
|
||||
chan[c.chan].outVol=chan[c.chan].vol;
|
||||
}
|
||||
chan[c.chan].sample=ins->amiga.getSample(c.value);
|
||||
if (chan[c.chan].sample>=0 && chan[c.chan].sample<parent->song.sampleLen) {
|
||||
//DivSample* s=parent->getSample(chan[c.chan].sample);
|
||||
if (c.value!=DIV_NOTE_NULL) {
|
||||
chan[c.chan].note=c.value;
|
||||
chan[c.chan].freqChanged=true;
|
||||
}
|
||||
chan[c.chan].active=true;
|
||||
chan[c.chan].keyOn=true;
|
||||
rWrite((8<<c.chan)); // turn off
|
||||
rWrite(0x80|chan[c.chan].sample); // set phrase
|
||||
rWrite((16<<c.chan)|(8-chan[c.chan].outVol)); // turn on
|
||||
} else {
|
||||
break;
|
||||
}
|
||||
} else {
|
||||
chan[c.chan].sample=-1;
|
||||
chan[c.chan].macroInit(NULL);
|
||||
chan[c.chan].outVol=chan[c.chan].vol;
|
||||
if ((12*sampleBank+c.value%12)>=parent->song.sampleLen) {
|
||||
break;
|
||||
}
|
||||
//DivSample* s=parent->getSample(12*sampleBank+c.value%12);
|
||||
chan[c.chan].sample=12*sampleBank+c.value%12;
|
||||
rWrite((8<<c.chan)); // turn off
|
||||
rWrite(0x80|chan[c.chan].sample); // set phrase
|
||||
rWrite((16<<c.chan)|(8-chan[c.chan].outVol)); // turn on
|
||||
}
|
||||
break;
|
||||
}
|
||||
case DIV_CMD_NOTE_OFF:
|
||||
chan[c.chan].keyOff=true;
|
||||
chan[c.chan].keyOn=false;
|
||||
chan[c.chan].active=false;
|
||||
rWrite((8<<c.chan)); // turn off
|
||||
chan[c.chan].macroInit(NULL);
|
||||
break;
|
||||
case DIV_CMD_NOTE_OFF_ENV:
|
||||
chan[c.chan].keyOff=true;
|
||||
chan[c.chan].keyOn=false;
|
||||
chan[c.chan].active=false;
|
||||
chan[c.chan].std.release();
|
||||
break;
|
||||
case DIV_CMD_ENV_RELEASE:
|
||||
chan[c.chan].std.release();
|
||||
break;
|
||||
case DIV_CMD_VOLUME: {
|
||||
chan[c.chan].vol=c.value;
|
||||
if (!chan[c.chan].std.vol.has) {
|
||||
chan[c.chan].outVol=c.value;
|
||||
}
|
||||
break;
|
||||
}
|
||||
case DIV_CMD_GET_VOLUME: {
|
||||
return chan[c.chan].vol;
|
||||
break;
|
||||
}
|
||||
case DIV_CMD_INSTRUMENT:
|
||||
if (chan[c.chan].ins!=c.value || c.value2==1) {
|
||||
chan[c.chan].insChanged=true;
|
||||
}
|
||||
chan[c.chan].ins=c.value;
|
||||
break;
|
||||
case DIV_CMD_PITCH: {
|
||||
if (c.chan==15 && !chan[c.chan].furnacePCM) break;
|
||||
chan[c.chan].pitch=c.value;
|
||||
chan[c.chan].freqChanged=true;
|
||||
break;
|
||||
}
|
||||
case DIV_CMD_NOTE_PORTA: {
|
||||
return 2;
|
||||
}
|
||||
case DIV_CMD_SAMPLE_BANK:
|
||||
sampleBank=c.value;
|
||||
if (sampleBank>(parent->song.sample.size()/12)) {
|
||||
sampleBank=parent->song.sample.size()/12;
|
||||
}
|
||||
iface.sampleBank=sampleBank;
|
||||
break;
|
||||
case DIV_CMD_LEGATO: {
|
||||
break;
|
||||
}
|
||||
case DIV_ALWAYS_SET_VOLUME:
|
||||
return 0;
|
||||
break;
|
||||
case DIV_CMD_GET_VOLMAX:
|
||||
return 8;
|
||||
break;
|
||||
case DIV_CMD_PRE_PORTA:
|
||||
break;
|
||||
case DIV_CMD_PRE_NOTE:
|
||||
break;
|
||||
default:
|
||||
//printf("WARNING: unimplemented command %d\n",c.cmd);
|
||||
break;
|
||||
}
|
||||
return 1;
|
||||
}
|
||||
|
||||
void DivPlatformMSM6295::muteChannel(int ch, bool mute) {
|
||||
isMuted[ch]=mute;
|
||||
}
|
||||
|
||||
void DivPlatformMSM6295::forceIns() {
|
||||
for (int i=0; i<4; i++) {
|
||||
chan[i].insChanged=true;
|
||||
}
|
||||
}
|
||||
|
||||
void* DivPlatformMSM6295::getChanState(int ch) {
|
||||
return &chan[ch];
|
||||
}
|
||||
|
||||
DivDispatchOscBuffer* DivPlatformMSM6295::getOscBuffer(int ch) {
|
||||
return oscBuf[ch];
|
||||
}
|
||||
|
||||
unsigned char* DivPlatformMSM6295::getRegisterPool() {
|
||||
return NULL;
|
||||
}
|
||||
|
||||
int DivPlatformMSM6295::getRegisterPoolSize() {
|
||||
return 0;
|
||||
}
|
||||
|
||||
void DivPlatformMSM6295::poke(unsigned int addr, unsigned short val) {
|
||||
//immWrite(addr,val);
|
||||
}
|
||||
|
||||
void DivPlatformMSM6295::poke(std::vector<DivRegWrite>& wlist) {
|
||||
//for (DivRegWrite& i: wlist) immWrite(i.addr,i.val);
|
||||
}
|
||||
|
||||
void DivPlatformMSM6295::reset() {
|
||||
while (!writes.empty()) writes.pop();
|
||||
msm->reset();
|
||||
if (dumpWrites) {
|
||||
addWrite(0xffffffff,0);
|
||||
}
|
||||
for (int i=0; i<4; i++) {
|
||||
chan[i]=DivPlatformMSM6295::Channel();
|
||||
chan[i].std.setEngine(parent);
|
||||
}
|
||||
for (int i=0; i<4; i++) {
|
||||
chan[i].vol=8;
|
||||
chan[i].outVol=8;
|
||||
}
|
||||
|
||||
sampleBank=0;
|
||||
|
||||
delay=0;
|
||||
}
|
||||
|
||||
bool DivPlatformMSM6295::keyOffAffectsArp(int ch) {
|
||||
return false;
|
||||
}
|
||||
|
||||
void DivPlatformMSM6295::notifyInsChange(int ins) {
|
||||
for (int i=0; i<4; i++) {
|
||||
if (chan[i].ins==ins) {
|
||||
chan[i].insChanged=true;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void DivPlatformMSM6295::notifyInsDeletion(void* ins) {
|
||||
}
|
||||
|
||||
const void* DivPlatformMSM6295::getSampleMem(int index) {
|
||||
return index == 0 ? adpcmBMem : NULL;
|
||||
}
|
||||
|
||||
size_t DivPlatformMSM6295::getSampleMemCapacity(int index) {
|
||||
return index == 0 ? 262144 : 0;
|
||||
}
|
||||
|
||||
size_t DivPlatformMSM6295::getSampleMemUsage(int index) {
|
||||
return index == 0 ? adpcmBMemLen : 0;
|
||||
}
|
||||
|
||||
void DivPlatformMSM6295::renderSamples() {
|
||||
memset(adpcmBMem,0,getSampleMemCapacity(0));
|
||||
|
||||
// sample data
|
||||
size_t memPos=128*8;
|
||||
for (int i=0; i<parent->song.sampleLen; i++) {
|
||||
DivSample* s=parent->song.sample[i];
|
||||
int paddedLen=(s->lengthVOX+255)&(~0xff);
|
||||
if ((memPos&0xf00000)!=((memPos+paddedLen)&0xf00000)) {
|
||||
memPos=(memPos+0xfffff)&0xf00000;
|
||||
}
|
||||
if (memPos>=getSampleMemCapacity(0)) {
|
||||
logW("out of ADPCM memory for sample %d!",i);
|
||||
break;
|
||||
}
|
||||
if (memPos+paddedLen>=getSampleMemCapacity(0)) {
|
||||
memcpy(adpcmBMem+memPos,s->dataVOX,getSampleMemCapacity(0)-memPos);
|
||||
logW("out of ADPCM memory for sample %d!",i);
|
||||
} else {
|
||||
memcpy(adpcmBMem+memPos,s->dataVOX,paddedLen);
|
||||
}
|
||||
s->offVOX=memPos;
|
||||
memPos+=paddedLen;
|
||||
}
|
||||
adpcmBMemLen=memPos+256;
|
||||
|
||||
// phrase book
|
||||
for (int i=0; i<parent->song.sampleLen; i++) {
|
||||
DivSample* s=parent->song.sample[i];
|
||||
int endPos=s->offVOX+s->lengthVOX;
|
||||
adpcmBMem[i*8]=(s->offVOX>>16)&0xff;
|
||||
adpcmBMem[1+i*8]=(s->offVOX>>8)&0xff;
|
||||
adpcmBMem[2+i*8]=(s->offVOX)&0xff;
|
||||
adpcmBMem[3+i*8]=(endPos>>16)&0xff;
|
||||
adpcmBMem[4+i*8]=(endPos>>8)&0xff;
|
||||
adpcmBMem[5+i*8]=(endPos)&0xff;
|
||||
}
|
||||
}
|
||||
|
||||
int DivPlatformMSM6295::init(DivEngine* p, int channels, int sugRate, unsigned int flags) {
|
||||
parent=p;
|
||||
adpcmBMem=new unsigned char[getSampleMemCapacity(0)];
|
||||
adpcmBMemLen=0;
|
||||
iface.adpcmMem=adpcmBMem;
|
||||
iface.sampleBank=0;
|
||||
dumpWrites=false;
|
||||
skipRegisterWrites=false;
|
||||
for (int i=0; i<4; i++) {
|
||||
isMuted[i]=false;
|
||||
oscBuf[i]=new DivDispatchOscBuffer;
|
||||
}
|
||||
chipClock=8000000;
|
||||
rate=chipClock/8;
|
||||
msm=new msm6295_core(iface);
|
||||
reset();
|
||||
return 4;
|
||||
}
|
||||
|
||||
void DivPlatformMSM6295::quit() {
|
||||
for (int i=0; i<4; i++) {
|
||||
delete oscBuf[i];
|
||||
}
|
||||
delete msm;
|
||||
delete[] adpcmBMem;
|
||||
}
|
||||
|
||||
DivPlatformMSM6295::~DivPlatformMSM6295() {
|
||||
}
|
||||
136
src/engine/platform/msm6295.h
Normal file
136
src/engine/platform/msm6295.h
Normal file
|
|
@ -0,0 +1,136 @@
|
|||
/**
|
||||
* 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.
|
||||
*/
|
||||
|
||||
#ifndef _MSM6295_H
|
||||
#define _MSM6295_H
|
||||
#include "../dispatch.h"
|
||||
#include "../macroInt.h"
|
||||
#include <queue>
|
||||
#include "sound/oki/msm6295.hpp"
|
||||
|
||||
class DivMSM6295Interface: public vgsound_emu_mem_intf {
|
||||
public:
|
||||
unsigned char* adpcmMem;
|
||||
int sampleBank;
|
||||
u8 read_byte(u32 address);
|
||||
DivMSM6295Interface(): adpcmMem(NULL), sampleBank(0) {}
|
||||
};
|
||||
|
||||
class DivPlatformMSM6295: public DivDispatch {
|
||||
protected:
|
||||
const unsigned short chanOffs[6]={
|
||||
0x00, 0x01, 0x02, 0x100, 0x101, 0x102
|
||||
};
|
||||
|
||||
struct Channel {
|
||||
unsigned char freqH, freqL;
|
||||
int freq, baseFreq, pitch, pitch2, portaPauseFreq, note, ins;
|
||||
unsigned char psgMode, autoEnvNum, autoEnvDen;
|
||||
signed char konCycles;
|
||||
bool active, insChanged, freqChanged, keyOn, keyOff, portaPause, inPorta, furnacePCM, hardReset;
|
||||
int vol, outVol;
|
||||
int sample;
|
||||
unsigned char pan;
|
||||
DivMacroInt std;
|
||||
void macroInit(DivInstrument* which) {
|
||||
std.init(which);
|
||||
pitch2=0;
|
||||
}
|
||||
Channel():
|
||||
freqH(0),
|
||||
freqL(0),
|
||||
freq(0),
|
||||
baseFreq(0),
|
||||
pitch(0),
|
||||
pitch2(0),
|
||||
portaPauseFreq(0),
|
||||
note(0),
|
||||
ins(-1),
|
||||
psgMode(1),
|
||||
autoEnvNum(0),
|
||||
autoEnvDen(0),
|
||||
active(false),
|
||||
insChanged(true),
|
||||
freqChanged(false),
|
||||
keyOn(false),
|
||||
keyOff(false),
|
||||
portaPause(false),
|
||||
inPorta(false),
|
||||
furnacePCM(false),
|
||||
hardReset(false),
|
||||
vol(0),
|
||||
outVol(15),
|
||||
sample(-1),
|
||||
pan(3) {}
|
||||
};
|
||||
Channel chan[4];
|
||||
DivDispatchOscBuffer* oscBuf[4];
|
||||
bool isMuted[4];
|
||||
struct QueuedWrite {
|
||||
unsigned short addr;
|
||||
unsigned char val;
|
||||
bool addrOrVal;
|
||||
QueuedWrite(unsigned short a, unsigned char v): addr(a), val(v), addrOrVal(false) {}
|
||||
};
|
||||
std::queue<QueuedWrite> writes;
|
||||
msm6295_core* msm;
|
||||
unsigned char regPool[512];
|
||||
unsigned char lastBusy;
|
||||
|
||||
unsigned char* adpcmBMem;
|
||||
size_t adpcmBMemLen;
|
||||
DivMSM6295Interface iface;
|
||||
unsigned char sampleBank;
|
||||
|
||||
int delay;
|
||||
|
||||
bool extMode;
|
||||
|
||||
short oldWrites[512];
|
||||
short pendingWrites[512];
|
||||
|
||||
friend void putDispatchChan(void*,int,int);
|
||||
|
||||
public:
|
||||
void acquire(short* bufL, short* bufR, size_t start, size_t len);
|
||||
int dispatch(DivCommand c);
|
||||
void* getChanState(int chan);
|
||||
DivDispatchOscBuffer* getOscBuffer(int chan);
|
||||
unsigned char* getRegisterPool();
|
||||
int getRegisterPoolSize();
|
||||
void reset();
|
||||
void forceIns();
|
||||
void tick(bool sysTick=true);
|
||||
void muteChannel(int ch, bool mute);
|
||||
bool keyOffAffectsArp(int ch);
|
||||
void notifyInsChange(int ins);
|
||||
void notifyInsDeletion(void* ins);
|
||||
void poke(unsigned int addr, unsigned short val);
|
||||
void poke(std::vector<DivRegWrite>& wlist);
|
||||
const char** getRegisterSheet();
|
||||
const char* getEffectName(unsigned char effect);
|
||||
const void* getSampleMem(int index);
|
||||
size_t getSampleMemCapacity(int index);
|
||||
size_t getSampleMemUsage(int index);
|
||||
void renderSamples();
|
||||
int init(DivEngine* parent, int channels, int sugRate, unsigned int flags);
|
||||
void quit();
|
||||
~DivPlatformMSM6295();
|
||||
};
|
||||
#endif
|
||||
|
|
@ -42,7 +42,7 @@ template<typename T> T sign_ext(T in, u8 len)
|
|||
}
|
||||
|
||||
// convert attenuation decibel value to gain
|
||||
f32 dB_to_gain(f32 attenuation)
|
||||
inline f32 dB_to_gain(f32 attenuation)
|
||||
{
|
||||
return powf(10.0f, attenuation / 20.0f);
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in a new issue