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make the flags option actually work

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This commit is contained in:
tildearrow 2022-01-29 00:20:27 -05:00
parent 44649e3ce4
commit b6da7871d4
19 changed files with 208 additions and 68 deletions
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76
src/engine/platform/ay.cpp
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@ -24,8 +24,21 @@ void DivPlatformAY8910::acquire(short* bufL, short* bufR, size_t start, size_t l
writes.pop();
}
ay->sound_stream_update(ayBuf,len);
for (size_t i=0; i<len; i++) {
bufL[i+start]=ayBuf[0][i]+ayBuf[1][i]+ayBuf[2][i];
if (sunsoft) {
for (size_t i=0; i<len; i++) {
bufL[i+start]=ayBuf[0][i];
bufR[i+start]=bufL[i+start];
}
} else if (stereo) {
for (size_t i=0; i<len; i++) {
bufL[i+start]=ayBuf[0][i]+ayBuf[1][i];
bufR[i+start]=ayBuf[1][i]+ayBuf[2][i];
}
} else {
for (size_t i=0; i<len; i++) {
bufL[i+start]=ayBuf[0][i]+ayBuf[1][i]+ayBuf[2][i];
bufR[i+start]=bufL[i+start];
}
}
}
@ -342,7 +355,7 @@ void DivPlatformAY8910::reset() {
}
bool DivPlatformAY8910::isStereo() {
return false;
return true;
}
bool DivPlatformAY8910::keyOffAffectsArp(int ch) {
@ -356,12 +369,55 @@ void DivPlatformAY8910::notifyInsDeletion(void* ins) {
}
void DivPlatformAY8910::setFlags(unsigned int flags) {
if (flags) {
chipClock=COLOR_PAL*2.0/5.0;
} else {
chipClock=COLOR_NTSC/2.0;
switch (flags&15) {
case 1:
chipClock=COLOR_PAL*2.0/5.0;
break;
case 2:
chipClock=1750000;
break;
case 3:
chipClock=2000000;
break;
case 4:
chipClock=1500000;
break;
case 5:
chipClock=1000000;
break;
case 6:
chipClock=COLOR_NTSC/4.0;
break;
case 7:
chipClock=COLOR_PAL*3.0/8.0;
break;
case 8:
chipClock=COLOR_PAL*3.0/16.0;
break;
default:
chipClock=COLOR_NTSC/2.0;
break;
}
rate=chipClock/8;
if (ay!=NULL) delete ay;
switch ((flags>>4)&3) {
case 1:
ay=new ym2149_device(rate);
sunsoft=false;
break;
case 2:
ay=new sunsoft_5b_sound_device(rate);
sunsoft=true;
break;
default:
ay=new ay8910_device(rate);
sunsoft=false;
break;
}
ay->device_start();
stereo=flags>>6;
}
int DivPlatformAY8910::init(DivEngine* p, int channels, int sugRate, unsigned int flags) {
@ -371,10 +427,8 @@ int DivPlatformAY8910::init(DivEngine* p, int channels, int sugRate, unsigned in
for (int i=0; i<3; i++) {
isMuted[i]=false;
}
ay=NULL;
setFlags(flags);
ay=new ay8910_device(rate);
ay->set_psg_type(ay8910_device::PSG_TYPE_AY);
ay->device_start();
ayBufLen=65536;
for (int i=0; i<3; i++) ayBuf[i]=new short[ayBufLen];
reset();
@ -383,5 +437,5 @@ int DivPlatformAY8910::init(DivEngine* p, int channels, int sugRate, unsigned in
void DivPlatformAY8910::quit() {
for (int i=0; i<3; i++) delete[] ayBuf[i];
delete ay;
if (ay!=NULL) delete ay;
}