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Merge branch 'master' of https://github.com/tildearrow/furnace into getSampleMemOffset

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cam900 2025-08-27 21:18:29 +09:00
commit e9b6b441e3
466 changed files with 378861 additions and 345914 deletions
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120
src/engine/platform/opl.cpp
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@ -37,6 +37,9 @@
#define PCM_CHECK(ch) ((chipType==4) && (ch>=pcmChanOffs))
#define PCM_REG(ch) (ch-pcmChanOffs)
// check if PCM in RAM (and size is <= 2MB) - 4MB uses whole sample area
#define PCM_IN_RAM (ramSize<=0x200000)
// N = invalid
#define N 255
@ -1338,7 +1341,7 @@ void DivPlatformOPL::tick(bool sysTick) {
unsigned char slot=slots[j][i];
if (slot==255) continue;
unsigned short baseAddr=slotMap[slot];
if (baseAddr>0x100) {
if (baseAddr>=0x100) {
weWillWriteRRLater[(baseAddr&0xff)|32]=true;
} else {
weWillWriteRRLater[(baseAddr&0xff)]=true;
@ -1464,38 +1467,43 @@ void DivPlatformOPL::tick(bool sysTick) {
chan[i].freqL=(chan[i].freq>>chan[i].freqH)&0x3ff;
chan[i].freqH=8^chan[i].freqH;
ctrl|=(chan[i].active?0x80:0)|(chan[i].damp?0x40:0)|(chan[i].lfoReset?0x20:0)|(chan[i].ch?0x10:0)|(isMuted[i]?8:(chan[i].pan&0xf));
unsigned int waveNum=chan[i].sample;
if (ramSize<=0x200000) {
waveNum=CLAMP(waveNum,0,0x7f)|0x180;
}
if (chan[i].keyOn) {
immWrite(PCM_ADDR_KEY_DAMP_LFORST_CH_PAN+PCM_REG(i),ctrl&~0x80); // force keyoff first
immWrite(PCM_ADDR_WAVE_H_FN_L+PCM_REG(i),((chan[i].freqL&0x7f)<<1)|((waveNum>>8)&1));
immWrite(PCM_ADDR_WAVE_L+PCM_REG(i),waveNum&0xff);
immWrite(PCM_ADDR_LFO_VIB+PCM_REG(i),(chan[i].lfo<<3)|(chan[i].vib));
immWrite(PCM_ADDR_AR_D1R+PCM_REG(i),(chan[i].ar<<4)|(chan[i].d1r));
immWrite(PCM_ADDR_DL_D2R+PCM_REG(i),(chan[i].dl<<4)|(chan[i].d2r));
immWrite(PCM_ADDR_RC_RR+PCM_REG(i),(chan[i].rc<<4)|(chan[i].rr));
immWrite(PCM_ADDR_AM+PCM_REG(i),chan[i].am);
if (!chan[i].std.vol.had) {
chan[i].outVol=chan[i].vol;
immWrite(PCM_ADDR_TL+(PCM_REG(i)),((0x7f-chan[i].outVol)<<1)|(chan[i].levelDirect?1:0));
int waveNum=chan[i].sample;
if (waveNum>=0) {
if (PCM_IN_RAM) {
waveNum=CLAMP(waveNum,0,0x7f)|0x180;
}
chan[i].writeCtrl=true;
chan[i].keyOn=false;
}
if (chan[i].keyOff) {
chan[i].writeCtrl=true;
chan[i].keyOff=false;
}
if (chan[i].freqChanged) {
immWrite(PCM_ADDR_WAVE_H_FN_L+PCM_REG(i),((chan[i].freqL&0x7f)<<1)|((waveNum>>8)&1));
immWrite(PCM_ADDR_FN_H_PR_OCT+PCM_REG(i),((chan[i].freqH&0xf)<<4)|(chan[i].pseudoReverb?0x08:0x00)|((chan[i].freqL>>7)&0x7));
chan[i].freqChanged=false;
}
if (chan[i].writeCtrl) {
immWrite(PCM_ADDR_KEY_DAMP_LFORST_CH_PAN+PCM_REG(i),ctrl);
chan[i].writeCtrl=false;
if (chan[i].keyOn) {
immWrite(PCM_ADDR_KEY_DAMP_LFORST_CH_PAN+PCM_REG(i),ctrl&~0x80); // force keyoff first
immWrite(PCM_ADDR_WAVE_H_FN_L+PCM_REG(i),((chan[i].freqL&0x7f)<<1)|((waveNum>>8)&1));
immWrite(PCM_ADDR_WAVE_L+PCM_REG(i),waveNum&0xff);
immWrite(PCM_ADDR_LFO_VIB+PCM_REG(i),(chan[i].lfo<<3)|(chan[i].vib));
immWrite(PCM_ADDR_AR_D1R+PCM_REG(i),(chan[i].ar<<4)|(chan[i].d1r));
immWrite(PCM_ADDR_DL_D2R+PCM_REG(i),(chan[i].dl<<4)|(chan[i].d2r));
immWrite(PCM_ADDR_RC_RR+PCM_REG(i),(chan[i].rc<<4)|(chan[i].rr));
immWrite(PCM_ADDR_AM+PCM_REG(i),chan[i].am);
if (!chan[i].std.vol.had) {
chan[i].outVol=chan[i].vol;
immWrite(PCM_ADDR_TL+(PCM_REG(i)),((0x7f-chan[i].outVol)<<1)|(chan[i].levelDirect?1:0));
}
chan[i].writeCtrl=true;
chan[i].keyOn=false;
}
if (chan[i].keyOff) {
chan[i].writeCtrl=true;
chan[i].keyOff=false;
}
if (chan[i].freqChanged) {
immWrite(PCM_ADDR_WAVE_H_FN_L+PCM_REG(i),((chan[i].freqL&0x7f)<<1)|((waveNum>>8)&1));
immWrite(PCM_ADDR_FN_H_PR_OCT+PCM_REG(i),((chan[i].freqH&0xf)<<4)|(chan[i].pseudoReverb?0x08:0x00)|((chan[i].freqL>>7)&0x7));
chan[i].freqChanged=false;
}
if (chan[i].writeCtrl) {
immWrite(PCM_ADDR_KEY_DAMP_LFORST_CH_PAN+PCM_REG(i),ctrl);
chan[i].writeCtrl=false;
}
} else {
// cut if we don't have a sample
immWrite(PCM_ADDR_KEY_DAMP_LFORST_CH_PAN+PCM_REG(i),ctrl&~0x80);
}
}
} else {
@ -2936,7 +2944,7 @@ void DivPlatformOPL::reset() {
if (chipType==4) {
immWrite(0x105,3);
// Reset wavetable header
immWrite(0x202,(ramSize<=0x200000)?0x10:0x00);
immWrite(0x202,PCM_IN_RAM?0x10:0x00);
// initialize mixer volume
fmMixL=7;
fmMixR=7;
@ -3204,7 +3212,7 @@ void DivPlatformOPL::setFlags(const DivConfig& flags) {
pcm.setClockFrequency(chipClock);
rate=chipClock/768;
chipRateBase=chipClock/684;
immWrite(0x202,(ramSize<=0x200000)?0x10:0x00);
immWrite(0x202,PCM_IN_RAM?0x10:0x00);
break;
case 759:
rate=48000;
@ -3227,7 +3235,7 @@ const void* DivPlatformOPL::getSampleMem(int index) {
size_t DivPlatformOPL::getSampleMemCapacity(int index) {
return (index==0 && pcmChanOffs>=0)?
((ramSize<=0x200000)?0x200000+ramSize:ramSize):
(PCM_IN_RAM?0x200000+ramSize:ramSize):
((index==0 && adpcmChan>=0)?262144:0);
}
@ -3242,7 +3250,7 @@ size_t DivPlatformOPL::getSampleMemOffset(int index) {
bool DivPlatformOPL::isSampleLoaded(int index, int sample) {
if (index!=0) return false;
if (sample<0 || sample>255) return false;
if (sample<0 || sample>32767) return false;
return sampleLoaded[sample];
}
@ -3260,18 +3268,24 @@ void DivPlatformOPL::renderSamples(int sysID) {
if (pcmChanOffs>=0 && pcmMem!=NULL) {
memset(pcmMem,0,4194304);
}
memset(sampleOffPCM,0,256*sizeof(unsigned int));
memset(sampleOffB,0,256*sizeof(unsigned int));
memset(sampleLoaded,0,256*sizeof(bool));
memset(sampleOffPCM,0,32768*sizeof(unsigned int));
memset(sampleOffB,0,32768*sizeof(unsigned int));
memset(sampleLoaded,0,32768*sizeof(bool));
memCompo=DivMemoryComposition();
memCompo.name="Sample Memory";
if (pcmChanOffs>=0) { // OPL4 PCM
size_t memPos=((ramSize<=0x200000)?0x200600:0x1800);
const int maxSample=(ramSize<=0x200000)?127:511;
size_t memPos=(PCM_IN_RAM?0x200600:0x1800);
const int maxSample=PCM_IN_RAM?128:512;
int sampleCount=parent->song.sampleLen;
if (sampleCount>maxSample) sampleCount=maxSample;
if (sampleCount>maxSample) {
// mark the rest as unavailable
for (int i=maxSample; i<sampleCount; i++) {
sampleLoaded[i]=false;
}
sampleCount=maxSample;
}
for (int i=0; i<sampleCount; i++) {
DivSample* s=parent->song.sample[i];
if (!s->renderOn[0][sysID]) {
@ -3334,7 +3348,7 @@ void DivPlatformOPL::renderSamples(int sysID) {
// instrument table
for (int i=0; i<sampleCount; i++) {
DivSample* s=parent->song.sample[i];
unsigned int insAddr=(i*12)+((ramSize<=0x200000)?0x200000:0);
unsigned int insAddr=(i*12)+(PCM_IN_RAM?0x200000:0);
unsigned char bitDepth;
int endPos=CLAMP(s->isLoopable()?s->loopEnd:(s->samples+1),1,0x10000);
int loop=s->isLoopable()?CLAMP(s->loopStart,0,endPos-2):(endPos-2);
@ -3365,12 +3379,12 @@ void DivPlatformOPL::renderSamples(int sysID) {
pcmMem[6+insAddr]=(~(endPos-1))&0xff;
// on MultiPCM this consists of instrument params, but on OPL4 this is not used
pcmMem[7+insAddr]=0; // LFO, VIB
pcmMem[8+insAddr]=(0xf << 4) | (0xf << 0); // AR, D1R
pcmMem[8+insAddr]=(0xf<<4)|(0xf<<0); // AR, D1R
pcmMem[9+insAddr]=0; // DL, D2R
pcmMem[10+insAddr]=(0xf << 4) | (0xf << 0); // RC, RR
pcmMem[10+insAddr]=(0xf<<4)|(0xf<<0); // RC, RR
pcmMem[11+insAddr]=0; // AM
}
if (ramSize<=0x200000) {
if (PCM_IN_RAM) {
memCompo.entries.push_back(DivMemoryEntry(DIV_MEMORY_RESERVED,"ROM data",0,0,0x200000));
}
@ -3502,5 +3516,17 @@ void DivPlatformOPL::quit() {
}
}
DivPlatformOPL::~DivPlatformOPL() {
// initialization of important arrays
DivPlatformOPL::DivPlatformOPL():
pcmMemory(0x400000),
pcm(pcmMemory) {
sampleOffPCM=new unsigned int[32768];
sampleOffB=new unsigned int[32768];
sampleLoaded=new bool[32768];
}
DivPlatformOPL::~DivPlatformOPL() {
delete[] sampleOffPCM;
delete[] sampleOffB;
delete[] sampleLoaded;
}