C219: initial work
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tildearrow
parent
80961354f7
commit
859182bb08
13 changed files with 207 additions and 69 deletions
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@ -49,11 +49,40 @@ const char** DivPlatformC140::getRegisterSheet() {
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return regCheatSheetC140;
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}
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void DivPlatformC140::acquire(short** buf, size_t len) {
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void DivPlatformC140::acquire_219(short** buf, size_t len) {
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for (size_t h=0; h<len; h++) {
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while (!writes.empty()) {
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QueuedWrite w=writes.front();
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c140_write(&c140, w.addr,w.val);
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c219_write(&c219,w.addr,w.val);
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regPool[w.addr&0x1ff]=w.val;
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writes.pop();
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}
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c219_tick(&c219, 1);
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// scale as 16bit
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c219.lout >>= 10;
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c219.rout >>= 10;
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if (c219.lout<-32768) c219.lout=-32768;
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if (c219.lout>32767) c219.lout=32767;
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if (c219.rout<-32768) c219.rout=-32768;
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if (c219.rout>32767) c219.rout=32767;
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buf[0][h]=c219.lout;
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buf[1][h]=c219.rout;
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for (int i=0; i<totalChans; i++) {
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oscBuf[i]->data[oscBuf[i]->needle++]=(c219.voice[i].lout+c219.voice[i].rout)>>10;
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}
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}
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}
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void DivPlatformC140::acquire_140(short** buf, size_t len) {
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for (size_t h=0; h<len; h++) {
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while (!writes.empty()) {
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QueuedWrite w=writes.front();
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c140_write(&c140,w.addr,w.val);
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regPool[w.addr&0x1ff]=w.val;
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writes.pop();
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}
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@ -72,14 +101,22 @@ void DivPlatformC140::acquire(short** buf, size_t len) {
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buf[0][h]=c140.lout;
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buf[1][h]=c140.rout;
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for (int i=0; i<24; i++) {
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for (int i=0; i<totalChans; i++) {
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oscBuf[i]->data[oscBuf[i]->needle++]=(c140.voice[i].lout+c140.voice[i].rout)>>10;
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}
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}
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}
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void DivPlatformC140::acquire(short** buf, size_t len) {
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if (is219) {
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acquire_219(buf,len);
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} else {
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acquire_140(buf,len);
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}
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}
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void DivPlatformC140::tick(bool sysTick) {
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for (int i=0; i<24; i++) {
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for (int i=0; i<totalChans; i++) {
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chan[i].std.next();
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if (chan[i].std.vol.had) {
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chan[i].outVol=(chan[i].vol*MIN(chan[i].macroVolMul,chan[i].std.vol.val))/chan[i].macroVolMul;
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@ -144,26 +181,47 @@ void DivPlatformC140::tick(bool sysTick) {
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chan[i].freq=(int)(off*parent->calcFreq(chan[i].baseFreq,chan[i].pitch,chan[i].fixedArp?chan[i].baseNoteOverride:chan[i].arpOff,chan[i].fixedArp,false,2,chan[i].pitch2,chipClock,CHIP_FREQBASE));
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if (chan[i].freq<0) chan[i].freq=0;
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if (chan[i].freq>65535) chan[i].freq=65535;
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ctrl|=(chan[i].active?0x80:0)|((s->isLoopable())?0x10:0)|((s->depth==DIV_SAMPLE_DEPTH_MULAW)?0x08:0);
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if (is219) {
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ctrl|=(chan[i].active?0x80:0)|((s->isLoopable())?0x10:0)|((s->depth==DIV_SAMPLE_DEPTH_MULAW)?1:0);
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} else {
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ctrl|=(chan[i].active?0x80:0)|((s->isLoopable())?0x10:0)|((s->depth==DIV_SAMPLE_DEPTH_MULAW)?0x08:0);
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}
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if (chan[i].keyOn) {
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unsigned int bank=0;
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unsigned int start=0;
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unsigned int loop=0;
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unsigned int end=0;
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if (chan[i].sample>=0 && chan[i].sample<parent->song.sampleLen) {
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bank=(sampleOff[chan[i].sample]>>16)&0xff;
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start=sampleOff[chan[i].sample]&0xffff;
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end=MIN(start+s->length8-1,65535);
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if (is219) {
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bank=(sampleOff[chan[i].sample]>>16)&0xff;
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start=sampleOff[chan[i].sample]&0xffff;
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end=MIN(start+(s->length8>>1)-1,65535);
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logV("sampleOff[%d]=%d",chan[i].sample,sampleOff[chan[i].sample]);
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} else {
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bank=(sampleOff[chan[i].sample]>>16)&0xff;
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start=sampleOff[chan[i].sample]&0xffff;
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end=MIN(start+s->length8-1,65535);
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}
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}
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if (chan[i].audPos>0) {
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start=MIN(start+MIN(chan[i].audPos,s->length8),65535);
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start=MIN(start+(MIN(chan[i].audPos,s->length8)>>1),65535);
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}
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if (s->isLoopable()) {
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loop=MIN(start+s->loopStart,65535);
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end=MIN(start+s->loopEnd-1,65535);
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if (is219) {
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loop=MIN(start+(s->loopStart>>1),65535);
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end=MIN(start+(s->loopEnd>>1)-1,65535);
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} else {
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loop=MIN(start+s->loopStart,65535);
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end=MIN(start+s->loopEnd-1,65535);
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}
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}
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rWrite(0x05+(i<<4),0); // force keyoff first
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rWrite(0x04+(i<<4),bank);
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if (is219) {
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// TODO; group banking
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} else {
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rWrite(0x04+(i<<4),bank);
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}
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rWrite(0x06+(i<<4),(start>>8)&0xff);
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rWrite(0x07+(i<<4),start&0xff);
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rWrite(0x08+(i<<4),(end>>8)&0xff);
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@ -323,11 +381,15 @@ int DivPlatformC140::dispatch(DivCommand c) {
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void DivPlatformC140::muteChannel(int ch, bool mute) {
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isMuted[ch]=mute;
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c140.voice[ch].muted=mute;
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if (is219) {
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c219.voice[ch].muted=mute;
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} else {
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c140.voice[ch].muted=mute;
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}
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}
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void DivPlatformC140::forceIns() {
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for (int i=0; i<24; i++) {
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for (int i=0; i<totalChans; i++) {
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chan[i].insChanged=true;
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chan[i].freqChanged=true;
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chan[i].volChangedL=true;
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@ -355,8 +417,12 @@ DivDispatchOscBuffer* DivPlatformC140::getOscBuffer(int ch) {
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void DivPlatformC140::reset() {
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while (!writes.empty()) writes.pop();
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memset(regPool,0,512);
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c140_reset(&c140);
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for (int i=0; i<24; i++) {
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if (is219) {
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c219_reset(&c219);
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} else {
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c140_reset(&c140);
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}
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for (int i=0; i<totalChans; i++) {
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chan[i]=DivPlatformC140::Channel();
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chan[i].std.setEngine(parent);
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rWrite(0x05+(i<<4),0);
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@ -368,7 +434,7 @@ int DivPlatformC140::getOutputCount() {
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}
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void DivPlatformC140::notifyInsChange(int ins) {
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for (int i=0; i<24; i++) {
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for (int i=0; i<totalChans; i++) {
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if (chan[i].ins==ins) {
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chan[i].insChanged=true;
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}
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@ -381,7 +447,7 @@ void DivPlatformC140::notifyWaveChange(int wave) {
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}
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void DivPlatformC140::notifyInsDeletion(void* ins) {
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for (int i=0; i<24; i++) {
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for (int i=0; i<totalChans; i++) {
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chan[i].std.notifyInsDeletion((DivInstrument*)ins);
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}
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}
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@ -437,53 +503,84 @@ void DivPlatformC140::renderSamples(int sysID) {
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continue;
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}
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unsigned int length=s->length16;
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// fit sample size to single bank size
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if (length>(131072)) {
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length=131072;
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}
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if ((memPos&0xfe0000)!=((memPos+length)&0xfe0000)) {
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memPos=((memPos+0x1ffff)&0xfe0000);
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}
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if (memPos>=(getSampleMemCapacity())) {
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logW("out of C140 memory for sample %d!",i);
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break;
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}
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// why is C140 not G.711-compliant? this weird bit mangling had me puzzled for 3 hours...
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if (memPos+length>=(getSampleMemCapacity())) {
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if (s->depth==DIV_SAMPLE_DEPTH_MULAW) {
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for (unsigned int i=0; i<(getSampleMemCapacity())-memPos; i++) {
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if (i>=s->lengthMuLaw) break;
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unsigned char x=s->dataMuLaw[i]^0xff;
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if (x&0x80) x^=15;
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unsigned char c140Mu=(x&0x80)|((x&15)<<3)|((x&0x70)>>4);
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sampleMem[i+(memPos/sizeof(short))]=((c140Mu)<<8);
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}
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} else {
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memcpy(sampleMem+(memPos/sizeof(short)),s->data16,(getSampleMemCapacity())-memPos);
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if (is219) { // C219 (8-bit)
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unsigned int length=s->length8;
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// fit sample size to single bank size
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if (length>131072) {
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length=131072;
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}
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if (length&1) length++;
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if ((memPos&0xfe0000)!=((memPos+length)&0xfe0000)) {
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memPos=((memPos+0x1ffff)&0xfe0000);
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}
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if (memPos>=(getSampleMemCapacity())) {
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logW("out of C219 memory for sample %d!",i);
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break;
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}
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if (memPos+length>=(getSampleMemCapacity())) {
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length=getSampleMemCapacity()-memPos;
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logW("out of C219 memory for sample %d!",i);
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}
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logW("out of C140 memory for sample %d!",i);
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} else {
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if (s->depth==DIV_SAMPLE_DEPTH_MULAW) {
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for (unsigned int i=0; i<length; i++) {
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if (i>=s->lengthMuLaw) break;
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unsigned char x=s->dataMuLaw[i]^0xff;
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if (x&0x80) x^=15;
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unsigned char c140Mu=(x&0x80)|((x&15)<<3)|((x&0x70)>>4);
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sampleMem[i+(memPos/sizeof(short))]=((c140Mu)<<8);
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if (i>=s->lengthMuLaw) {
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sampleMem[i+memPos]=0;
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} else {
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unsigned char x=s->dataMuLaw[i]^0xff;
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sampleMem[i+memPos]=x;
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}
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}
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} else {
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memcpy(sampleMem+(memPos/sizeof(short)),s->data16,length);
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for (unsigned int i=0; i<length; i++) {
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if (i>=s->length8) {
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sampleMem[memPos+i]=0;
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} else {
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sampleMem[memPos+i]=s->data8[i];
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}
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}
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}
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sampleOff[i]=memPos>>1;
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sampleLoaded[i]=true;
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memPos+=length;
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} else { // C140 (16-bit)
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unsigned int length=s->length16;
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// fit sample size to single bank size
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if (length>(131072)) {
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length=131072;
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}
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if ((memPos&0xfe0000)!=((memPos+length)&0xfe0000)) {
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memPos=((memPos+0x1ffff)&0xfe0000);
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}
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if (memPos>=(getSampleMemCapacity())) {
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logW("out of C140 memory for sample %d!",i);
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break;
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}
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// why is C140 not G.711-compliant? this weird bit mangling had me puzzled for 3 hours...
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if (memPos+length>=(getSampleMemCapacity())) {
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length=getSampleMemCapacity()-memPos;
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logW("out of C140 memory for sample %d!",i);
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}
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if (s->depth==DIV_SAMPLE_DEPTH_MULAW) {
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for (unsigned int i=0; i<length; i+=2) {
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if ((i>>1)>=s->lengthMuLaw) break;
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unsigned char x=s->dataMuLaw[i>>1]^0xff;
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if (x&0x80) x^=15;
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unsigned char c140Mu=(x&0x80)|((x&15)<<3)|((x&0x70)>>4);
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sampleMem[i+memPos]=0;
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sampleMem[1+i+memPos]=c140Mu;
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}
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} else {
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memcpy(sampleMem+memPos,s->data16,length);
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}
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sampleOff[i]=memPos>>1;
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sampleLoaded[i]=true;
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memPos+=length;
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}
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sampleOff[i]=memPos>>1;
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sampleLoaded[i]=true;
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memPos+=length;
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}
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sampleMemLen=memPos+256;
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}
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void DivPlatformC219::set219(bool is_219) {
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void DivPlatformC140::set219(bool is_219) {
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is219=is_219;
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totalChans=is219?16:24;
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}
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@ -492,7 +589,7 @@ void DivPlatformC140::setFlags(const DivConfig& flags) {
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chipClock=32000*256; // 8.192MHz and 12.288MHz input, verified from Assault Schematics
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CHECK_CUSTOM_CLOCK;
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rate=chipClock/192;
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for (int i=0; i<24; i++) {
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for (int i=0; i<totalChans; i++) {
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oscBuf[i]->rate=rate;
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}
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}
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@ -502,23 +599,28 @@ int DivPlatformC140::init(DivEngine* p, int channels, int sugRate, const DivConf
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dumpWrites=false;
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skipRegisterWrites=false;
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for (int i=0; i<24; i++) {
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for (int i=0; i<totalChans; i++) {
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isMuted[i]=false;
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oscBuf[i]=new DivDispatchOscBuffer;
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}
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sampleMem=new short[getSampleMemCapacity()>>1];
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sampleMem=new unsigned char[getSampleMemCapacity()];
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sampleMemLen=0;
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c140_init(&c140);
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c140.sample_mem=sampleMem;
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if (is219) {
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c219_init(&c219);
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c219.sample_mem=(signed char*)sampleMem;
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} else {
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c140_init(&c140);
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c140.sample_mem=(short*)sampleMem;
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}
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setFlags(flags);
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reset();
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return 24;
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return totalChans;
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}
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void DivPlatformC140::quit() {
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delete[] sampleMem;
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for (int i=0; i<24; i++) {
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for (int i=0; i<totalChans; i++) {
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delete oscBuf[i];
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}
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}
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