otomatalabs/furnace
8
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

FDS: add NSFPlay core

Browse source
This commit is contained in:
tildearrow 2022-05-02 16:53:55 -05:00
parent 960048cf4b
commit 62289d924e
6 changed files with 80 additions and 6 deletions
Download patch file Download diff file Expand all files Collapse all files

65
src/engine/platform/fds.cpp
View file

@ -20,11 +20,12 @@
#include "fds.h"
#include "sound/nes/cpu_inline.h"
#include "../engine.h"
#include "sound/nes_nsfplay/nes_fds.h"
#include <math.h>
#define CHIP_FREQBASE 262144
#define rWrite(a,v) if (!skipRegisterWrites) {fds_wr_mem(fds,a,v); regPool[(a)&0x7f]=v; if (dumpWrites) {addWrite(a,v);} }
#define rWrite(a,v) if (!skipRegisterWrites) {doWrite(a,v); regPool[(a)&0x7f]=v; if (dumpWrites) {addWrite(a,v);} }
const char* regCheatSheetFDS[]={
"IOCtrl", "4023",
@ -78,7 +79,7 @@ const char* DivPlatformFDS::getEffectName(unsigned char effect) {
return NULL;
}
void DivPlatformFDS::acquire(short* bufL, short* bufR, size_t start, size_t len) {
void DivPlatformFDS::acquire_puNES(short* bufL, short* bufR, size_t start, size_t len) {
for (size_t i=start; i<start+len; i++) {
extcl_apu_tick_FDS(fds);
int sample=isMuted[0]?0:fds->snd.main.output;
@ -92,6 +93,38 @@ void DivPlatformFDS::acquire(short* bufL, short* bufR, size_t start, size_t len)
}
}
void DivPlatformFDS::acquire_NSFPlay(short* bufL, short* bufR, size_t start, size_t len) {
int out[2];
for (size_t i=start; i<start+len; i++) {
fds_NP->Tick(1);
fds_NP->Render(out);
int sample=isMuted[0]?0:(out[0]<<1);
if (sample>32767) sample=32767;
if (sample<-32768) sample=-32768;
bufL[i]=sample;
if (++writeOscBuf>=32) {
writeOscBuf=0;
oscBuf->data[oscBuf->needle++]=sample<<1;
}
}
}
void DivPlatformFDS::doWrite(unsigned short addr, unsigned char data) {
if (useNP) {
fds_NP->Write(addr,data);
} else {
fds_wr_mem(fds,addr,data);
}
}
void DivPlatformFDS::acquire(short* bufL, short* bufR, size_t start, size_t len) {
if (useNP) {
acquire_NSFPlay(bufL,bufR,start,len);
} else {
acquire_puNES(bufL,bufR,start,len);
}
}
void DivPlatformFDS::updateWave() {
// TODO: master volume
rWrite(0x4089,0x80);
@ -423,7 +456,11 @@ void DivPlatformFDS::reset() {
addWrite(0xffffffff,0);
}
fds_reset(fds);
if (useNP) {
fds_NP->Reset();
} else {
fds_reset(fds);
}
memset(regPool,0,128);
rWrite(0x4023,0);
@ -435,6 +472,10 @@ bool DivPlatformFDS::keyOffAffectsArp(int ch) {
return true;
}
void DivPlatformFDS::setNSFPlay(bool use) {
useNP=use;
}
void DivPlatformFDS::setFlags(unsigned int flags) {
if (flags==2) { // Dendy
rate=COLOR_PAL*2.0/5.0;
@ -445,6 +486,10 @@ void DivPlatformFDS::setFlags(unsigned int flags) {
}
chipClock=rate;
oscBuf->rate=rate/32;
if (useNP) {
fds_NP->SetClock(rate);
fds_NP->SetRate(rate);
}
}
void DivPlatformFDS::notifyInsDeletion(void* ins) {
@ -467,7 +512,11 @@ int DivPlatformFDS::init(DivEngine* p, int channels, int sugRate, unsigned int f
dumpWrites=false;
skipRegisterWrites=false;
writeOscBuf=0;
fds=new struct _fds;
if (useNP) {
fds_NP=new xgm::NES_FDS;
} else {
fds=new struct _fds;
}
oscBuf=new DivDispatchOscBuffer;
for (int i=0; i<1; i++) {
isMuted[i]=false;
@ -475,12 +524,16 @@ int DivPlatformFDS::init(DivEngine* p, int channels, int sugRate, unsigned int f
setFlags(flags);
reset();
return 5;
return 1;
}
void DivPlatformFDS::quit() {
delete oscBuf;
delete fds;
if (useNP) {
delete fds_NP;
} else {
delete fds;
}
}
DivPlatformFDS::~DivPlatformFDS() {