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C140 Part 2

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This commit is contained in:
cam900 2023-08-09 20:30:00 +09:00
parent 54cd69aabf
commit 14c5d94499
21 changed files with 210 additions and 56 deletions
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99
src/engine/platform/c140.cpp
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@ -80,10 +80,9 @@ void DivPlatformC140::tick(bool sysTick) {
chan[i].std.next();
if (chan[i].std.vol.had) {
chan[i].outVol=(chan[i].vol*MIN(chan[i].macroVolMul,chan[i].std.vol.val))/chan[i].macroVolMul;
chan[i].chVolL=(chan[i].outVol*chan[i].chPanL)/255;
chan[i].chVolR=(chan[i].outVol*chan[i].chPanR)/255;
rWrite(1+(i<<4),chan[i].chVolL);
rWrite(0+(i<<4),chan[i].chVolR);
if (!isMuted[i]) {
chan[i].volumeChanged.changed=0xff;
}
}
if (NEW_ARP_STRAT) {
chan[i].handleArp();
@ -104,14 +103,16 @@ void DivPlatformC140::tick(bool sysTick) {
}
if (chan[i].std.panL.had) {
chan[i].chPanL=chan[i].std.panL.val&255;
chan[i].chVolL=(chan[i].outVol*chan[i].chPanL)/255;
rWrite(1+(i<<4),chan[i].chVolL);
if (!isMuted[i]) {
chan[i].volumeChanged.left=1;
}
}
if (chan[i].std.panR.had) {
chan[i].chPanR=chan[i].std.panR.val&255;
chan[i].chVolR=(chan[i].outVol*chan[i].chPanR)/255;
rWrite(0+(i<<4),chan[i].chVolR);
if (!isMuted[i]) {
chan[i].volumeChanged.right=1;
}
}
if (chan[i].std.phaseReset.had) {
@ -120,6 +121,25 @@ void DivPlatformC140::tick(bool sysTick) {
chan[i].setPos=true;
}
}
if (chan[i].volumeChanged.changed) {
if (chan[i].volumeChanged.left) {
if (isMuted[i]) {
chan[i].chVolL=0;
} else {
chan[i].chVolL=(chan[i].outVol*chan[i].chPanL)/255;
}
rWrite(1+(i<<4),chan[i].chVolL);
}
if (chan[i].volumeChanged.right) {
if (isMuted[i]) {
chan[i].chVolR=0;
} else {
chan[i].chVolR=(chan[i].outVol*chan[i].chPanR)/255;
}
rWrite(0+(i<<4),chan[i].chVolR);
}
chan[i].volumeChanged.changed=0;
}
if (chan[i].setPos) {
// force keyon
chan[i].keyOn=true;
@ -141,7 +161,7 @@ void DivPlatformC140::tick(bool sysTick) {
unsigned int end=0;
if (chan[i].sample>=0 && chan[i].sample<parent->song.sampleLen) {
start=sampleOff[chan[i].sample];
end=MIN(start+s->getCurBufLen(),getSampleMemCapacity()-1);
end=MIN(start+s->length8,getSampleMemCapacity()-1);
}
if (chan[i].audPos>0) {
start=start+MIN(chan[i].audPos,s->length8);
@ -149,19 +169,18 @@ void DivPlatformC140::tick(bool sysTick) {
if (s->isLoopable()) {
loop=start+s->loopStart;
}
rWrite(0x05+i*16,ctrl&~0x80); // force keyoff first
rWrite(0x06+i*16,(start>>8)&0xff);
rWrite(0x07+i*16,start&0xff);
rWrite(0x08+i*16,(end>>8)&0xff);
rWrite(0x09+i*16,end&0xff);
rWrite(0x0a+i*16,(loop>>8)&0xff);
rWrite(0x0b+i*16,loop&0xff);
rWrite(0x05+(i<<4),0); // force keyoff first
rWrite(0x06+(i<<4),(start>>8)&0xff);
rWrite(0x07+(i<<4),start&0xff);
rWrite(0x08+(i<<4),(end>>8)&0xff);
rWrite(0x09+(i<<4),end&0xff);
rWrite(0x0a+(i<<4),(loop>>8)&0xff);
rWrite(0x0b+(i<<4),loop&0xff);
if (!chan[i].std.vol.had) {
chan[i].outVol=chan[i].vol;
chan[i].chVolL=(chan[i].outVol*chan[i].chPanL)/255;
chan[i].chVolR=(chan[i].outVol*chan[i].chPanR)/255;
rWrite(1+(i<<4),chan[i].chVolL);
rWrite(0+(i<<4),chan[i].chVolR);
if (!isMuted[i]) {
chan[i].volumeChanged.changed=0xff;
}
}
chan[i].keyOn=false;
}
@ -169,11 +188,11 @@ void DivPlatformC140::tick(bool sysTick) {
chan[i].keyOff=false;
}
if (chan[i].freqChanged) {
rWrite(0x02+i*16,chan[i].freq&0xff);
rWrite(0x03+i*16,chan[i].freq>>8);
rWrite(0x02+(i<<4),chan[i].freq>>8);
rWrite(0x03+(i<<4),chan[i].freq&0xff);
chan[i].freqChanged=false;
}
rWrite(0x05+i*16,ctrl);
rWrite(0x05+(i<<4),ctrl);
}
}
}
@ -182,7 +201,6 @@ int DivPlatformC140::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].isNewYMZ=ins->type==DIV_INS_YMZ280B;
chan[c.chan].macroVolMul=ins->type==DIV_INS_AMIGA?64:255;
if (c.value!=DIV_NOTE_NULL) {
chan[c.chan].sample=ins->amiga.getSample(c.value);
@ -203,11 +221,9 @@ int DivPlatformC140::dispatch(DivCommand c) {
chan[c.chan].macroInit(ins);
if (!parent->song.brokenOutVol && !chan[c.chan].std.vol.will) {
chan[c.chan].outVol=chan[c.chan].vol;
chan[c.chan].chVolL=(chan[c.chan].outVol*chan[c.chan].chPanL)/255;
chan[c.chan].chVolR=(chan[c.chan].outVol*chan[c.chan].chPanR)/255;
rWrite(1+(c.chan<<4),chan[c.chan].chVolL);
rWrite(0+(c.chan<<4),chan[c.chan].chVolR);
if (!isMuted[c.chan]) {
chan[c.chan].volumeChanged.changed=0xff;
}
}
break;
}
@ -231,10 +247,9 @@ int DivPlatformC140::dispatch(DivCommand c) {
if (!chan[c.chan].std.vol.has) {
chan[c.chan].outVol=c.value;
}
chan[c.chan].chVolL=(c.value*chan[c.chan].chPanL)/255;
chan[c.chan].chVolR=(c.value*chan[c.chan].chPanR)/255;
rWrite(1+(c.chan<<4),chan[c.chan].chVolL);
rWrite(0+(c.chan<<4),chan[c.chan].chVolR);
if (!isMuted[c.chan]) {
chan[c.chan].volumeChanged.changed=0xff;
}
break;
case DIV_CMD_GET_VOLUME:
if (chan[c.chan].std.vol.has) {
@ -245,10 +260,9 @@ int DivPlatformC140::dispatch(DivCommand c) {
case DIV_CMD_PANNING:
chan[c.chan].chPanL=c.value;
chan[c.chan].chPanR=c.value2;
chan[c.chan].chVolL=(chan[c.chan].outVol*chan[c.chan].chPanL)/255;
chan[c.chan].chVolR=(chan[c.chan].outVol*chan[c.chan].chPanR)/255;
rWrite(1+(c.chan<<4),chan[c.chan].chVolL);
rWrite(0+(c.chan<<4),chan[c.chan].chVolR);
if (!isMuted[c.chan]) {
chan[c.chan].volumeChanged.changed=0xff;
}
break;
case DIV_CMD_PITCH:
chan[c.chan].pitch=c.value;
@ -314,12 +328,14 @@ int DivPlatformC140::dispatch(DivCommand c) {
void DivPlatformC140::muteChannel(int ch, bool mute) {
isMuted[ch]=mute;
chan[ch].volumeChanged.changed=0xff;
}
void DivPlatformC140::forceIns() {
for (int i=0; i<24; i++) {
chan[i].insChanged=true;
chan[i].freqChanged=true;
chan[i].volumeChanged.changed=0xff;
chan[i].sample=-1;
}
}
@ -343,7 +359,7 @@ void DivPlatformC140::reset() {
for (int i=0; i<24; i++) {
chan[i]=DivPlatformC140::Channel();
chan[i].std.setEngine(parent);
rWrite(0x05+i*16,0);
rWrite(0x05+(i<<4),0);
}
}
@ -435,7 +451,7 @@ void DivPlatformC140::renderSamples(int sysID) {
} else {
memcpy(sampleMem+(memPos/sizeof(short)),s->data16,length);
}
sampleOff[i]=memPos;
sampleOff[i]=memPos>>1;
sampleLoaded[i]=true;
memPos+=length;
}
@ -447,7 +463,7 @@ void DivPlatformC140::setChipModel(int type) {
}
void DivPlatformC140::setFlags(const DivConfig& flags) {
chipClock = 8192000;
chipClock=32000*256; // 8.192MHz and 12.288MHz input, verified from Assault Schematics
CHECK_CUSTOM_CLOCK;
rate=chipClock/192;
for (int i=0; i<24; i++) {
@ -464,9 +480,10 @@ int DivPlatformC140::init(DivEngine* p, int channels, int sugRate, const DivConf
isMuted[i]=false;
oscBuf[i]=new DivDispatchOscBuffer;
}
sampleMem=new unsigned char[getSampleMemCapacity()];
sampleMem=new signed short[getSampleMemCapacity()/sizeof(short)];
sampleMemLen=0;
c140_init(&c140);
c140.sample_mem=sampleMem;
setFlags(flags);
reset();