Prepare to (very) partially OPL4 support

This commit is contained in:
cam900 2024-07-11 15:13:02 +09:00
parent 73c301dd0e
commit c08edb1254
14 changed files with 691 additions and 233 deletions

View file

@ -29,14 +29,16 @@ extern "C" {
}
#include "sound/ymfm/ymfm_adpcm.h"
#include "sound/ymfm/ymfm_opl.h"
#include "sound/ymfm/ymfm_pcm.h"
class DivOPLAInterface: public ymfm::ymfm_interface {
public:
unsigned char* adpcmBMem;
unsigned char* pcmMem;
int sampleBank;
uint8_t ymfm_external_read(ymfm::access_class type, uint32_t address);
void ymfm_external_write(ymfm::access_class type, uint32_t address, uint8_t data);
DivOPLAInterface(): adpcmBMem(NULL), sampleBank(0) {}
DivOPLAInterface(): adpcmBMem(NULL), pcmMem(NULL), sampleBank(0) {}
};
class DivPlatformOPL: public DivDispatch {
@ -62,9 +64,9 @@ class DivPlatformOPL: public DivDispatch {
state.ops=2;
}
};
Channel chan[20];
DivDispatchOscBuffer* oscBuf[20];
bool isMuted[20];
Channel chan[44];
DivDispatchOscBuffer* oscBuf[44];
bool isMuted[44];
struct QueuedWrite {
unsigned short addr;
unsigned char val;
@ -72,7 +74,7 @@ class DivPlatformOPL: public DivDispatch {
QueuedWrite(): addr(0), val(0), addrOrVal(false) {}
QueuedWrite(unsigned short a, unsigned char v): addr(a), val(v), addrOrVal(false) {}
};
FixedQueue<QueuedWrite,2048> writes;
FixedQueue<QueuedWrite,4096> writes;
unsigned int dacVal;
unsigned int dacVal2;
@ -86,8 +88,11 @@ class DivPlatformOPL: public DivDispatch {
unsigned char* adpcmBMem;
size_t adpcmBMemLen;
unsigned char* pcmMem;
size_t pcmMemLen;
DivOPLAInterface iface;
unsigned int sampleOffB[256];
unsigned int sampleOffPCM[256];
bool sampleLoaded[256];
ymfm::adpcm_b_engine* adpcmB;
@ -97,12 +102,12 @@ class DivPlatformOPL: public DivDispatch {
const unsigned short* chanMap;
const unsigned char* outChanMap;
int chipFreqBase, chipRateBase;
int delay, chipType, oplType, chans, melodicChans, totalChans, adpcmChan, sampleBank, totalOutputs;
int delay, chipType, oplType, chans, melodicChans, totalChans, adpcmChan=-1, pcmChanOffs=-1, sampleBank, totalOutputs, ramSize;
unsigned char lastBusy;
unsigned char drumState;
unsigned char drumVol[5];
unsigned char regPool[512];
unsigned char regPool[768];
bool properDrums, properDrumsSys, dam, dvb;
@ -115,8 +120,8 @@ class DivPlatformOPL: public DivDispatch {
bool update4OpMask, pretendYMU, downsample, compatPan;
short oldWrites[512];
short pendingWrites[512];
short oldWrites[768];
short pendingWrites[768];
// chips
opl3_chip fm;
@ -124,6 +129,7 @@ class DivPlatformOPL: public DivDispatch {
ymfm::ym3812* fm_ymfm2;
ymfm::y8950* fm_ymfm8950;
ymfm::ymf262* fm_ymfm3;
ymfm::ymf278b* fm_ymfm4;
fmopl2_t fm_lle2;
fmopl3_t fm_lle3;
@ -141,6 +147,7 @@ class DivPlatformOPL: public DivDispatch {
void acquire_nukedLLE3(short** buf, size_t len);
void acquire_nuked(short** buf, size_t len);
void acquire_ymfm3(short** buf, size_t len);
void acquire_ymfm4(short** buf, size_t len);
void acquire_ymfm8950(short** buf, size_t len);
void acquire_ymfm2(short** buf, size_t len);
void acquire_ymfm1(short** buf, size_t len);