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Prepare for NMK112 bankswitching support

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This commit is contained in:
cam900 2023-08-31 20:34:04 +09:00
parent 65cd433ac7
commit 5aeeb09616
4 changed files with 164 additions and 41 deletions
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165
src/engine/platform/msm6295.cpp
View file

@ -34,6 +34,12 @@ u8 DivPlatformMSM6295::read_byte(u32 address) {
if (adpcmMem==NULL || address>=getSampleMemCapacity(0)) {
return 0;
}
if (isBanked) {
if (address<0x400) {
return adpcmMem[(bank[(address>>8)&0x3]<<16)|(address&0x3ff)];
}
return adpcmMem[(bank[(address>>16)&0x3]<<16)|(address&0xffff)];
}
return adpcmMem[address&0x3ffff];
}
@ -62,6 +68,7 @@ void DivPlatformMSM6295::acquire(short** buf, size_t len) {
case 17:
case 18:
case 19:
bank[w.addr-16]=w.val;
break;
}
writes.pop();
@ -109,7 +116,12 @@ void DivPlatformMSM6295::tick(bool sysTick) {
rWriteDelay(0,(8<<i),60); // turn off
if (chan[i].active && !chan[i].keyOff) {
if (chan[i].sample>=0 && chan[i].sample<parent->song.sampleLen) {
rWrite(0,0x80|chan[i].sample); // set phrase
if (isBanked) {
rWrite(16+i,bankedPhrase[chan[i].sample].bank);
rWrite(0,0x80|(i<<5)|bankedPhrase[chan[i].sample].phrase);
} else {
rWrite(0,0x80|chan[i].sample); // set phrase
}
rWrite(0,(16<<i)|(8-chan[i].outVol)); // turn on
} else {
chan[i].sample=-1;
@ -147,7 +159,12 @@ int DivPlatformMSM6295::dispatch(DivCommand c) {
chan[c.chan].active=true;
chan[c.chan].keyOn=true;
rWriteDelay(0,(8<<c.chan),180); // turn off
rWrite(0,0x80|chan[c.chan].sample); // set phrase
if (isBanked) {
rWrite(16+c.chan,bankedPhrase[chan[c.chan].sample].bank);
rWrite(0,0x80|(c.chan<<5)|bankedPhrase[chan[c.chan].sample].phrase);
} else {
rWrite(0,0x80|chan[c.chan].sample); // set phrase
}
rWrite(0,(16<<c.chan)|(8-chan[c.chan].outVol)); // turn on
} else {
break;
@ -162,7 +179,12 @@ int DivPlatformMSM6295::dispatch(DivCommand c) {
//DivSample* s=parent->getSample(12*sampleBank+c.value%12);
chan[c.chan].sample=12*sampleBank+c.value%12;
rWriteDelay(0,(8<<c.chan),180); // turn off
rWrite(0,0x80|chan[c.chan].sample); // set phrase
if (isBanked) {
rWrite(16+c.chan,bankedPhrase[chan[c.chan].sample].bank);
rWrite(0,0x80|(c.chan<<5)|bankedPhrase[chan[c.chan].sample].phrase);
} else {
rWrite(0,0x80|chan[c.chan].sample); // set phrase
}
rWrite(0,(16<<c.chan)|(8-chan[c.chan].outVol)); // turn on
}
break;
@ -304,6 +326,9 @@ void DivPlatformMSM6295::reset() {
sampleBank=0;
rateSel=rateSelInit;
rWrite(12,!rateSelInit);
if (isBanked) {
rWrite(14,1);
}
delay=0;
}
@ -335,7 +360,7 @@ const void* DivPlatformMSM6295::getSampleMem(int index) {
}
size_t DivPlatformMSM6295::getSampleMemCapacity(int index) {
return index == 0 ? 262144 : 0;
return index == 0 ? (isBanked?16777216:262144) : 0;
}
size_t DivPlatformMSM6295::getSampleMemUsage(int index) {
@ -351,53 +376,114 @@ bool DivPlatformMSM6295::isSampleLoaded(int index, int sample) {
void DivPlatformMSM6295::renderSamples(int sysID) {
unsigned int sampleOffVOX[256];
memset(adpcmMem,0,getSampleMemCapacity(0));
memset(adpcmMem,0,16777216);
memset(sampleOffVOX,0,256*sizeof(unsigned int));
memset(sampleLoaded,0,256*sizeof(bool));
for (int i=0; i<256; i++) {
bankedPhrase[i].bank=0;
bankedPhrase[i].phrase=0;
}
// sample data
size_t memPos=128*8;
int sampleCount=parent->song.sampleLen;
if (sampleCount>127) sampleCount=127;
for (int i=0; i<sampleCount; i++) {
DivSample* s=parent->song.sample[i];
if (!s->renderOn[0][sysID]) {
sampleOffVOX[i]=0;
continue;
}
if (isBanked) {
int bankInd=0;
int phraseInd=0;
for (int i=0; i<parent->song.sampleLen; i++) {
DivSample* s=parent->song.sample[i];
if (!s->renderOn[0][sysID]) {
sampleOffVOX[i]=0;
continue;
}
int paddedLen=s->lengthVOX;
if (memPos>=getSampleMemCapacity(0)) {
logW("out of ADPCM memory for sample %d!",i);
break;
int paddedLen=s->lengthVOX;
// fit to single bank size
if (paddedLen>65536-0x400) {
paddedLen=65536-0x400;
}
// 32 phrase per bank
if ((phraseInd>=32)||((memPos&0xff0000)!=((memPos+paddedLen)&0xff0000))) {
memPos=((memPos+0xffff)&0xff0000)+0x400;
bankInd++;
phraseInd=0;
}
if (memPos>=getSampleMemCapacity(0)) {
logW("out of ADPCM memory for sample %d!",i);
break;
}
if (memPos+paddedLen>=getSampleMemCapacity(0)) {
memcpy(adpcmMem+memPos,s->dataVOX,getSampleMemCapacity(0)-memPos);
logW("out of ADPCM memory for sample %d!",i);
} else {
memcpy(adpcmMem+memPos,s->dataVOX,paddedLen);
sampleLoaded[i]=true;
}
sampleOffVOX[i]=memPos;
bankedPhrase[i].bank=bankInd;
bankedPhrase[i].phrase=phraseInd;
memPos+=paddedLen;
phraseInd++;
}
if (memPos+paddedLen>=getSampleMemCapacity(0)) {
memcpy(adpcmMem+memPos,s->dataVOX,getSampleMemCapacity(0)-memPos);
logW("out of ADPCM memory for sample %d!",i);
} else {
memcpy(adpcmMem+memPos,s->dataVOX,paddedLen);
sampleLoaded[i]=true;
}
sampleOffVOX[i]=memPos;
memPos+=paddedLen;
}
adpcmMemLen=memPos+256;
adpcmMemLen=memPos+256;
// phrase book
for (int i=0; i<sampleCount; i++) {
DivSample* s=parent->song.sample[i];
int endPos=sampleOffVOX[i]+s->lengthVOX;
adpcmMem[i*8]=(sampleOffVOX[i]>>16)&0xff;
adpcmMem[1+i*8]=(sampleOffVOX[i]>>8)&0xff;
adpcmMem[2+i*8]=(sampleOffVOX[i])&0xff;
adpcmMem[3+i*8]=(endPos>>16)&0xff;
adpcmMem[4+i*8]=(endPos>>8)&0xff;
adpcmMem[5+i*8]=(endPos)&0xff;
// phrase book
for (int i=0; i<parent->song.sampleLen; i++) {
DivSample* s=parent->song.sample[i];
int endPos=sampleOffVOX[i]+s->lengthVOX;
for (int b=0; b<4; b++) {
unsigned int bankedAddr=(bankedPhrase[i].bank<<16)+(b<<8)+(bankedPhrase[i].phrase*8);
adpcmMem[bankedAddr]=b;
adpcmMem[bankedAddr+1]=(sampleOffVOX[i]>>8)&0xff;
adpcmMem[bankedAddr+2]=(sampleOffVOX[i])&0xff;
adpcmMem[bankedAddr+3]=b;
adpcmMem[bankedAddr+4]=(endPos>>8)&0xff;
adpcmMem[bankedAddr+5]=(endPos)&0xff;
}
}
} else {
int sampleCount=parent->song.sampleLen;
if (sampleCount>127) sampleCount=127;
for (int i=0; i<sampleCount; i++) {
DivSample* s=parent->song.sample[i];
if (!s->renderOn[0][sysID]) {
sampleOffVOX[i]=0;
continue;
}
int paddedLen=s->lengthVOX;
if (memPos>=getSampleMemCapacity(0)) {
logW("out of ADPCM memory for sample %d!",i);
break;
}
if (memPos+paddedLen>=getSampleMemCapacity(0)) {
memcpy(adpcmMem+memPos,s->dataVOX,getSampleMemCapacity(0)-memPos);
logW("out of ADPCM memory for sample %d!",i);
} else {
memcpy(adpcmMem+memPos,s->dataVOX,paddedLen);
sampleLoaded[i]=true;
}
sampleOffVOX[i]=memPos;
memPos+=paddedLen;
}
adpcmMemLen=memPos+256;
// phrase book
for (int i=0; i<sampleCount; i++) {
DivSample* s=parent->song.sample[i];
int endPos=sampleOffVOX[i]+s->lengthVOX;
adpcmMem[i*8]=(sampleOffVOX[i]>>16)&0xff;
adpcmMem[1+i*8]=(sampleOffVOX[i]>>8)&0xff;
adpcmMem[2+i*8]=(sampleOffVOX[i])&0xff;
adpcmMem[3+i*8]=(endPos>>16)&0xff;
adpcmMem[4+i*8]=(endPos>>8)&0xff;
adpcmMem[5+i*8]=(endPos)&0xff;
}
}
}
void DivPlatformMSM6295::setFlags(const DivConfig& flags) {
rateSelInit=flags.getBool("rateSel",false);
isBanked=flags.getBool("isBanked",false);
switch (flags.getInt("clockSel",0)) {
case 1:
chipClock=4224000/4;
@ -454,11 +540,12 @@ void DivPlatformMSM6295::setFlags(const DivConfig& flags) {
rWrite(12,!rateSelInit);
rateSel=rateSelInit;
}
rWrite(14,isBanked);
}
int DivPlatformMSM6295::init(DivEngine* p, int channels, int sugRate, const DivConfig& flags) {
parent=p;
adpcmMem=new unsigned char[getSampleMemCapacity(0)];
adpcmMem=new unsigned char[16777216];
adpcmMemLen=0;
dumpWrites=false;
skipRegisterWrites=false;

12
src/engine/platform/msm6295.h
View file

@ -49,7 +49,6 @@ class DivPlatformMSM6295: public DivDispatch, public vgsound_emu_mem_intf {
};
FixedQueue<QueuedWrite,256> writes;
msm6295_core msm;
unsigned char lastBusy;
unsigned char* adpcmMem;
size_t adpcmMemLen;
@ -58,7 +57,16 @@ class DivPlatformMSM6295: public DivDispatch, public vgsound_emu_mem_intf {
int delay, updateOsc;
bool rateSel=false, rateSelInit=false;
bool rateSel=false, rateSelInit=false, isBanked=false;
unsigned int bank[4];
struct BankedPhrase {
unsigned char bank=0;
unsigned char phrase=0;
BankedPhrase():
bank(0),
phrase(0) {}
} bankedPhrase[256];
friend void putDispatchChip(void*,int);
friend void putDispatchChan(void*,int,int);

22
src/gui/debug.cpp
View file

@ -55,6 +55,7 @@
#include "../engine/platform/pv1000.h"
#include "../engine/platform/k053260.h"
#include "../engine/platform/c140.h"
#include "../engine/platform/msm6295.h"
#include "../engine/platform/dummy.h"
#define COMMON_CHIP_DEBUG \
@ -554,6 +555,18 @@ void putDispatchChip(void* data, int type) {
COMMON_CHIP_DEBUG_BOOL;
break;
}
case DIV_SYSTEM_MSM6295: {
DivPlatformMSM6295* ch=(DivPlatformMSM6295*)data;
ImGui::Text("> MSM6295");
COMMON_CHIP_DEBUG;
ImGui::Text("- delay: %d",ch->delay);
ImGui::Text("- updateOsc: %d",ch->updateOsc);
COMMON_CHIP_DEBUG_BOOL;
ImGui::TextColored(ch->rateSel?colorOn:colorOff,">> RateSel");
ImGui::TextColored(ch->rateSelInit?colorOn:colorOff,">> rateSelInit");
ImGui::TextColored(ch->isBanked?colorOn:colorOff,">> IsBanked");
break;
}
default:
ImGui::Text("Unimplemented chip! Help!");
break;
@ -1092,6 +1105,15 @@ void putDispatchChan(void* data, int chanNum, int type) {
ImGui::TextColored(ch->setPos?colorOn:colorOff,">> SetPos");
break;
}
case DIV_SYSTEM_MSM6295: {
DivPlatformMSM6295::Channel* ch=(DivPlatformMSM6295::Channel*)data;
ImGui::Text("> MSM6295");
COMMON_CHAN_DEBUG;
ImGui::Text("* Sample: %d",ch->sample);
COMMON_CHAN_DEBUG_BOOL;
ImGui::TextColored(ch->furnacePCM?colorOn:colorOff,">> FurnacePCM");
break;
}
default:
ImGui::Text("Unimplemented chip! Help!");
break;

6
src/gui/sysConf.cpp
View file

@ -1349,6 +1349,7 @@ bool FurnaceGUI::drawSysConf(int chan, DivSystem type, DivConfig& flags, bool mo
case DIV_SYSTEM_MSM6295: {
int clockSel=flags.getInt("clockSel",0);
bool rateSel=flags.getBool("rateSel",false);
bool isBanked=flags.getBool("isBanked",false);
ImGui::Text("Clock rate:");
ImGui::Indent();
@ -1425,10 +1426,15 @@ bool FurnaceGUI::drawSysConf(int chan, DivSystem type, DivConfig& flags, bool mo
}
ImGui::Unindent();
if (ImGui::Checkbox("Bankswitched (NMK112)",&isBanked)) {
altered=true;
}
if (altered) {
e->lockSave([&]() {
flags.set("clockSel",clockSel);
flags.set("rateSel",rateSel);
flags.set("isBanked",isBanked);
});
}
break;