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GUI: prepare for a per-channel oscilloscope?

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currently supported systems:
- Amiga
- AY-3-8910
- Dummy System
- OPLL
- SegaPCM

no trigger supported yet!
This commit is contained in:
tildearrow 2022-04-30 03:58:30 -05:00
parent ba657fe4db
commit 4197fa44fb
20 changed files with 269 additions and 14 deletions
Download patch file Download diff file Expand all files Collapse all files

30
src/engine/platform/amiga.cpp
View file

@ -91,12 +91,15 @@ const char* DivPlatformAmiga::getEffectName(unsigned char effect) {
}
void DivPlatformAmiga::acquire(short* bufL, short* bufR, size_t start, size_t len) {
static int outL, outR;
static int outL, outR, output;
for (size_t h=start; h<start+len; h++) {
outL=0;
outR=0;
for (int i=0; i<4; i++) {
if (!chan[i].active) continue;
if (!chan[i].active) {
oscBuf[i]->data[oscBuf[i]->needle++]=0;
continue;
}
if (chan[i].useWave || (chan[i].sample>=0 && chan[i].sample<parent->song.sampleLen)) {
chan[i].audSub-=AMIGA_DIVIDER;
if (chan[i].audSub<0) {
@ -139,13 +142,17 @@ void DivPlatformAmiga::acquire(short* bufL, short* bufR, size_t start, size_t le
}
}
if (!isMuted[i]) {
output=chan[i].audDat*chan[i].outVol;
if (i==0 || i==3) {
outL+=((chan[i].audDat*chan[i].outVol)*sep1)>>7;
outR+=((chan[i].audDat*chan[i].outVol)*sep2)>>7;
outL+=(output*sep1)>>7;
outR+=(output*sep2)>>7;
} else {
outL+=((chan[i].audDat*chan[i].outVol)*sep2)>>7;
outR+=((chan[i].audDat*chan[i].outVol)*sep1)>>7;
outL+=(output*sep2)>>7;
outR+=(output*sep1)>>7;
}
oscBuf[i]->data[oscBuf[i]->needle++]=output<<2;
} else {
oscBuf[i]->data[oscBuf[i]->needle++]=0;
}
}
filter[0][0]+=(filtConst*(outL-filter[0][0]))>>12;
@ -419,6 +426,10 @@ void* DivPlatformAmiga::getChanState(int ch) {
return &chan[ch];
}
DivDispatchOscBuffer* DivPlatformAmiga::getOscBuffer(int ch) {
return oscBuf[ch];
}
void DivPlatformAmiga::reset() {
for (int i=0; i<4; i++) {
chan[i]=DivPlatformAmiga::Channel();
@ -469,6 +480,9 @@ void DivPlatformAmiga::setFlags(unsigned int flags) {
chipClock=COLOR_NTSC;
}
rate=chipClock/AMIGA_DIVIDER;
for (int i=0; i<4; i++) {
oscBuf[i]->rate=rate;
}
sep1=((flags>>8)&127)+127;
sep2=127-((flags>>8)&127);
amigaModel=flags&2;
@ -487,6 +501,7 @@ int DivPlatformAmiga::init(DivEngine* p, int channels, int sugRate, unsigned int
dumpWrites=false;
skipRegisterWrites=false;
for (int i=0; i<4; i++) {
oscBuf[i]=new DivDispatchOscBuffer;
isMuted[i]=false;
}
setFlags(flags);
@ -495,4 +510,7 @@ int DivPlatformAmiga::init(DivEngine* p, int channels, int sugRate, unsigned int
}
void DivPlatformAmiga::quit() {
for (int i=0; i<4; i++) {
delete oscBuf[i];
}
}