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MMC5: acquireDirect(), part 1

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no samples
also fixed chan osc
This commit is contained in:
tildearrow 2025-03-07 03:07:52 -05:00
parent 86fb92595a
commit 1070fb5d10
5 changed files with 133 additions and 37 deletions
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38
src/engine/platform/mmc5.cpp
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@ -24,7 +24,7 @@
#define CHIP_DIVIDER 16
#define rWrite(a,v) if (!skipRegisterWrites) {extcl_cpu_wr_mem_MMC5(mmc5,a,v); regPool[(a)&0x7f]=v; if (dumpWrites) {addWrite(a,v);} }
#define rWrite(a,v) if (!skipRegisterWrites) {writes.push(QueuedWrite((a),v)); if (dumpWrites) {addWrite(a,v);} }
const char* regCheatSheetMMC5[]={
"S0Volume", "5000",
@ -43,12 +43,27 @@ const char** DivPlatformMMC5::getRegisterSheet() {
return regCheatSheetMMC5;
}
void DivPlatformMMC5::acquire(short** buf, size_t len) {
void DivPlatformMMC5::acquireDirect(blip_buffer_t** bb, size_t len) {
for (int i=0; i<3; i++) {
oscBuf[i]->begin(len);
mmc5->oscBuf[i]=oscBuf[i];
}
mmc5->bb=bb[0];
mmc5->timestamp=0;
while (!writes.empty()) {
QueuedWrite w=writes.front();
regPool[(w.addr)&0x7f]=w.val;
extcl_cpu_wr_mem_MMC5(mmc5,0,w.addr,w.val);
writes.pop();
}
// TODO: does this matter?
extcl_envelope_clock_MMC5(mmc5);
extcl_length_clock_MMC5(mmc5);
for (size_t i=0; i<len; i++) {
/*
if (dacSample!=-1) {
dacPeriod+=dacRate;
if (dacPeriod>=rate) {
@ -69,10 +84,12 @@ void DivPlatformMMC5::acquire(short** buf, size_t len) {
}
}
}
*/
extcl_envelope_clock_MMC5(mmc5);
extcl_length_clock_MMC5(mmc5);
extcl_apu_tick_MMC5(mmc5);
extcl_apu_tick_MMC5(mmc5,len);
break;
/*
if (mmc5->clocked) {
mmc5->clocked=false;
}
@ -92,7 +109,7 @@ void DivPlatformMMC5::acquire(short** buf, size_t len) {
oscBuf[0]->putSample(i,isMuted[0]?0:((mmc5->S3.output)<<11));
oscBuf[1]->putSample(i,isMuted[1]?0:((mmc5->S4.output)<<11));
oscBuf[2]->putSample(i,isMuted[2]?0:((mmc5->pcm.output)<<7));
}
}*/
}
for (int i=0; i<3; i++) {
@ -364,6 +381,7 @@ int DivPlatformMMC5::dispatch(DivCommand c) {
void DivPlatformMMC5::muteChannel(int ch, bool mute) {
isMuted[ch]=mute;
mmc5->muted[ch]=mute;
}
void DivPlatformMMC5::forceIns() {
@ -415,6 +433,10 @@ void DivPlatformMMC5::reset() {
map_init_MMC5(mmc5);
memset(regPool,0,128);
mmc5->muted[0]=isMuted[0];
mmc5->muted[1]=isMuted[1];
mmc5->muted[2]=isMuted[2];
rWrite(0x5015,0x03);
rWrite(0x5010,0x00);
}
@ -423,6 +445,10 @@ bool DivPlatformMMC5::keyOffAffectsArp(int ch) {
return true;
}
bool DivPlatformMMC5::hasAcquireDirect() {
return true;
}
void DivPlatformMMC5::setFlags(const DivConfig& flags) {
int clockSel=flags.getInt("clockSel",0);
if (clockSel==2) { // Dendy