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Reduce register spamming

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This commit is contained in:
cam900 2022-12-10 13:44:24 +09:00
parent 1e54f2da6c
commit 07e0577a36
2 changed files with 20 additions and 8 deletions
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23
src/engine/platform/k007232.cpp
View file

@ -149,12 +149,19 @@ void DivPlatformK007232::tick(bool sysTick) {
if (stereo) {
chan[i].lvol=isMuted[i]?0:(((chan[i].outVol&0xf)*((chan[i].panning>>0)&0xf))/15);
chan[i].rvol=isMuted[i]?0:(((chan[i].outVol&0xf)*((chan[i].panning>>4)&0xf))/15);
rWrite(0x10+i,(chan[i].lvol&0xf)|((chan[i].rvol&0xf)<<4));
const unsigned char prevPan=lastPan[i];
lastPan[i]=(chan[i].lvol&0xf)|((chan[i].rvol&0xf)<<4);
if (prevPan!=lastPan[i]) {
rWrite(0x10+i,(chan[i].lvol&0xf)|((chan[i].rvol&0xf)<<4));
}
}
else {
chan[i].lvol=chan[i].rvol=isMuted[i]?0:chan[i].outVol&0xf;
const unsigned char prevVolume=lastVolume;
lastVolume=(lastVolume&~(0xf<<(i<<2)))|((chan[i].outVol&0xf)<<(i<<2));
rWrite(0xc,lastVolume);
if (prevVolume!=lastVolume) {
rWrite(0xc,lastVolume);
}
}
chan[i].volumeChanged=false;
}
@ -202,13 +209,16 @@ void DivPlatformK007232::tick(bool sysTick) {
chWrite(i,4,0x1);
chWrite(i,5,0);
// keyon
const unsigned char prevLoop=lastLoop;
if (s->isLoopable()) {
loop=start+s->loopStart;
lastLoop|=(1<<i);
} else {
lastLoop&=~(1<<i);
}
rWrite(0xd,lastLoop);
if (prevLoop!=lastLoop) {
rWrite(0xd,lastLoop);
}
rWrite(0x12+i,bank);
chWrite(i,0,chan[i].freq&0xff);
chWrite(i,1,(chan[i].freq>>8)&0xf);
@ -399,10 +409,11 @@ void DivPlatformK007232::reset() {
while (!writes.empty()) {
writes.pop();
}
memset(regPool,0,32);
memset(regPool,0,20);
k007232.reset();
lastLoop=0;
lastVolume=0xff;
lastVolume=0;
lastPan[0]=lastPan[1]=0;
for (int i=0; i<2; i++) {
chan[i]=DivPlatformK007232::Channel();
chan[i].std.setEngine(parent);
@ -462,7 +473,7 @@ unsigned char* DivPlatformK007232::getRegisterPool() {
}
int DivPlatformK007232::getRegisterPoolSize() {
return 32;
return 20;
}
const void* DivPlatformK007232::getSampleMem(int index) {

5
src/engine/platform/k007232.h
View file

@ -80,13 +80,14 @@ class DivPlatformK007232: public DivDispatch, public k007232_intf {
unsigned int sampleOffK007232[256];
bool sampleLoaded[256];
int delay, lastLoop, lastVolume;
int delay;
unsigned char lastLoop, lastVolume, lastPan[2];
bool stereo;
unsigned char* sampleMem;
size_t sampleMemLen;
k007232_core k007232;
unsigned char regPool[32];
unsigned char regPool[20];
friend void putDispatchChip(void*,int);
friend void putDispatchChan(void*,int,int);