otomatalabs/furnace
7
0
Fork 0
Code Issues Pull requests Actions Packages Projects Releases Wiki Activity

Fix 9xxx effect

Browse source
This commit is contained in:
cam900 2024-02-11 16:48:48 +09:00 committed by tildearrow
parent 6b076dcaed
commit 7b3d521166
1 changed files with 42 additions and 19 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

61
src/engine/platform/nds.cpp
View file

@ -23,7 +23,7 @@
#include <math.h>
#define CHIP_DIVIDER 32
#define SAMPLE_DIVIDER 512
#define CLOCK_DIVIDER 512 // for match to output rate
#define rRead8(a) (nds.read8(a))
#define rWrite8(a,v) {if(!skipRegisterWrites) {nds.write8((a),(v)); regPool[(a)]=(v); if(dumpWrites) addWrite((a),(v)); }}
@ -71,7 +71,7 @@ const char** DivPlatformNDS::getRegisterSheet() {
void DivPlatformNDS::acquire(short** buf, size_t len) {
for (size_t i=0; i<len; i++) {
nds.tick(SAMPLE_DIVIDER);
nds.tick(CLOCK_DIVIDER);
int lout=((nds.loutput()-0x200)<<5); // scale to 16 bit
int rout=((nds.routput()-0x200)<<5); // scale to 16 bit
if (lout>32767) lout=32767;
@ -166,9 +166,9 @@ void DivPlatformNDS::tick(bool sysTick) {
ctrl|=(chan[i].active?0x80:0)|((s->isLoopable())?0x08:0x10);
if (chan[i].keyOn) {
unsigned int start=0;
unsigned int loopStart=0;
unsigned int loopEnd=0;
unsigned int end=0;
int loopStart=0;
int loopEnd=0;
int end=0;
if (chan[i].sample>=0 && chan[i].sample<parent->song.sampleLen) {
start=sampleOff[chan[i].sample];
end=s->getCurBufLen()/4;
@ -176,24 +176,47 @@ void DivPlatformNDS::tick(bool sysTick) {
if (chan[i].audPos>0) {
switch (s->depth) {
//case DIV_SAMPLE_DEPTH_YMZ_ADPCM: start+=chan[i].audPos/2; break;
case DIV_SAMPLE_DEPTH_8BIT: start+=chan[i].audPos; break;
case DIV_SAMPLE_DEPTH_16BIT: start+=chan[i].audPos*2; break;
case DIV_SAMPLE_DEPTH_8BIT: start+=chan[i].audPos; end-=(chan[i].audPos/4); break;
case DIV_SAMPLE_DEPTH_16BIT: start+=chan[i].audPos*2; end-=(chan[i].audPos/2); break;
default: break;
}
}
if (s->isLoopable()) {
switch (s->depth) {
//case DIV_SAMPLE_DEPTH_YMZ_ADPCM: loopStart=s->loopStart/8; loopEnd=(s->loopEnd-s->loopStart)/8; break;
case DIV_SAMPLE_DEPTH_8BIT: loopStart=s->loopStart/4; loopEnd=(s->loopEnd-s->loopStart)/4; break;
case DIV_SAMPLE_DEPTH_16BIT: loopStart=s->loopStart/2; loopEnd=(s->loopEnd-s->loopStart)/2; break;
default: break;
if (chan[i].audPos>0) {
switch (s->depth) {
//case DIV_SAMPLE_DEPTH_YMZ_ADPCM: loopStart=s->loopStart/8; loopEnd=(s->loopEnd-s->loopStart)/8; break;
case DIV_SAMPLE_DEPTH_8BIT:
loopStart=(s->loopStart-chan[i].audPos)/4;
loopEnd=(s->loopEnd-s->loopStart)/4;
if (chan[i].audPos>(unsigned int)s->loopStart) {
loopStart=0;
loopEnd-=(chan[i].audPos-s->loopStart)/4;
}
break;
case DIV_SAMPLE_DEPTH_16BIT:
loopStart=(s->loopStart-chan[i].audPos)/2;
loopEnd=(s->loopEnd-s->loopStart)/2;
if (chan[i].audPos>(unsigned int)s->loopStart) {
loopStart=0;
loopEnd-=(chan[i].audPos-s->loopStart)/2;
}
break;
default: break;
}
} else {
switch (s->depth) {
//case DIV_SAMPLE_DEPTH_YMZ_ADPCM: loopStart=s->loopStart/8; loopEnd=(s->loopEnd-s->loopStart)/8; break;
case DIV_SAMPLE_DEPTH_8BIT: loopStart=s->loopStart/4; loopEnd=(s->loopEnd-s->loopStart)/4; break;
case DIV_SAMPLE_DEPTH_16BIT: loopStart=s->loopStart/2; loopEnd=(s->loopEnd-s->loopStart)/2; break;
default: break;
}
}
loopEnd=MIN(loopEnd,0x3fffff);
loopStart=MIN(loopStart,0xffff);
rWrite16(0x0a+i*16,loopStart&0xffff);
rWrite32(0x0c+i*16,loopEnd&0x3fffff);
loopEnd=CLAMP(loopEnd,0,0x3fffff);
loopStart=CLAMP(loopStart,0,0xffff);
rWrite16(0x0a+i*16,loopStart);
rWrite32(0x0c+i*16,loopEnd);
} else {
end=MIN(end,0x3fffff);
end=CLAMP(end,0,0x3fffff);
rWrite16(0x0a+i*16,0);
rWrite32(0x0c+i*16,end&0x3fffff);
}
@ -486,7 +509,7 @@ void DivPlatformNDS::renderSamples(int sysID) {
continue;
}
int length=s->getCurBufLen();
int length=MIN(16777215,s->getCurBufLen());
unsigned char* src=(unsigned char*)s->getCurBuf();
int actualLength=MIN((int)(getSampleMemCapacity()-memPos),length);
if (actualLength>0) {
@ -508,7 +531,7 @@ void DivPlatformNDS::renderSamples(int sysID) {
void DivPlatformNDS::setFlags(const DivConfig& flags) {
isDSi=flags.getBool("chipType",0);
chipClock=33513982;
rate=chipClock/2/SAMPLE_DIVIDER;
rate=chipClock/2/CLOCK_DIVIDER;
for (int i=0; i<16; i++) {
oscBuf[i]->rate=rate;
}