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OPL: ymfm core, part 1

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This commit is contained in:
tildearrow 2023-11-22 19:28:36 -05:00
parent 1bcdedda3e
commit 955682b240
9 changed files with 467 additions and 29 deletions
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32
src/engine/platform/opl.h
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@ -23,7 +23,12 @@
#include "../dispatch.h"
#include "../../fixedQueue.h"
#include "../../../extern/opl/opl3.h"
extern "C" {
#include "../../../extern/YM3812-LLE/fmopl2.h"
#include "../../../extern/YMF262-LLE/fmopl3.h"
}
#include "sound/ymfm/ymfm_adpcm.h"
#include "sound/ymfm/ymfm_opl.h"
class DivOPLAInterface: public ymfm::ymfm_interface {
public:
@ -68,7 +73,7 @@ class DivPlatformOPL: public DivDispatch {
QueuedWrite(unsigned short a, unsigned char v): addr(a), val(v), addrOrVal(false) {}
};
FixedQueue<QueuedWrite,2048> writes;
opl3_chip fm;
unsigned char* adpcmBMem;
size_t adpcmBMemLen;
DivOPLAInterface iface;
@ -93,11 +98,25 @@ class DivPlatformOPL: public DivDispatch {
unsigned char lfoValue;
bool useYMFM, update4OpMask, pretendYMU, downsample, compatPan;
// 0: Nuked-OPL3
// 1: ymfm
// 2: YM3812-LLE/YMF262-LLE
unsigned char emuCore;
bool update4OpMask, pretendYMU, downsample, compatPan;
short oldWrites[512];
short pendingWrites[512];
// chips
opl3_chip fm;
ymfm::ym3526* fm_ymfm1;
ymfm::ym3812* fm_ymfm2;
ymfm::y8950* fm_ymfm8950;
ymfm::ymf262* fm_ymfm3;
fmopl2_t fm_lle2;
fmopl3_t fm_lle3;
int octave(int freq);
int toFreq(int freq);
double NOTE_ADPCMB(int note);
@ -106,8 +125,13 @@ class DivPlatformOPL: public DivDispatch {
friend void putDispatchChip(void*,int);
friend void putDispatchChan(void*,int,int);
void acquire_nukedLLE2(short** buf, size_t len);
void acquire_nukedLLE3(short** buf, size_t len);
void acquire_nuked(short** buf, size_t len);
//void acquire_ymfm(short** buf, size_t len);
void acquire_ymfm3(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);
public:
void acquire(short** buf, size_t len);
@ -124,7 +148,7 @@ class DivPlatformOPL: public DivDispatch {
void tick(bool sysTick=true);
void muteChannel(int ch, bool mute);
int getOutputCount();
void setYMFM(bool use);
void setCore(unsigned char which);
void setOPLType(int type, bool drums);
bool keyOffAffectsArp(int ch);
bool keyOffAffectsPorta(int ch);