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

AY: prepare for optimization

Browse source
This commit is contained in:
tildearrow 2025-03-07 19:37:18 -05:00
parent 33aebf29c6
commit cb67527103
6 changed files with 27 additions and 50 deletions
Download patch file Download diff file Expand all files Collapse all files

24
src/engine/platform/ay8930.cpp
View file

@ -165,14 +165,7 @@ void DivPlatformAY8930::checkWrites() {
}
void DivPlatformAY8930::acquire(short** buf, size_t len) {
if (ayBufLen<len) {
ayBufLen=len;
for (int i=0; i<3; i++) {
delete[] ayBuf[i];
ayBuf[i]=new short[ayBufLen];
}
}
thread_local short ayBuf[3];
for (int i=0; i<3; i++) {
oscBuf[i]->begin(len);
}
@ -183,16 +176,16 @@ void DivPlatformAY8930::acquire(short** buf, size_t len) {
ay->sound_stream_update(ayBuf,1);
if (stereo) {
buf[0][i]=ayBuf[0][0]+ayBuf[1][0]+((ayBuf[2][0]*stereoSep)>>8);
buf[1][i]=((ayBuf[0][0]*stereoSep)>>8)+ayBuf[1][0]+ayBuf[2][0];
buf[0][i]=ayBuf[0]+ayBuf[1]+((ayBuf[2]*stereoSep)>>8);
buf[1][i]=((ayBuf[0]*stereoSep)>>8)+ayBuf[1]+ayBuf[2];
} else {
buf[0][i]=ayBuf[0][0]+ayBuf[1][0]+ayBuf[2][0];
buf[0][i]=ayBuf[0]+ayBuf[1]+ayBuf[2];
buf[1][i]=buf[0][i];
}
oscBuf[0]->putSample(i,ayBuf[0][0]<<2);
oscBuf[1]->putSample(i,ayBuf[1][0]<<2);
oscBuf[2]->putSample(i,ayBuf[2][0]<<2);
oscBuf[0]->putSample(i,ayBuf[0]<<2);
oscBuf[1]->putSample(i,ayBuf[1]<<2);
oscBuf[2]->putSample(i,ayBuf[2]<<2);
}
for (int i=0; i<3; i++) {
@ -949,8 +942,6 @@ int DivPlatformAY8930::init(DivEngine* p, int channels, int sugRate, const DivCo
setFlags(flags);
ay=new ay8930_device(rate,clockSel);
ay->device_start();
ayBufLen=65536;
for (int i=0; i<3; i++) ayBuf[i]=new short[ayBufLen];
reset();
return 3;
}
@ -958,7 +949,6 @@ int DivPlatformAY8930::init(DivEngine* p, int channels, int sugRate, const DivCo
void DivPlatformAY8930::quit() {
for (int i=0; i<3; i++) {
delete oscBuf[i];
delete[] ayBuf[i];
}
delete ay;
}