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SID3: store ins data

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tildearrow 2024-09-16 03:09:56 -05:00
parent b2d6f8e7ee
commit ac95c05878
3 changed files with 45 additions and 10 deletions
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16
papers/newIns.md
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@ -700,23 +700,33 @@ size | description
```
size | description
-----|------------------------------------
1 | flags 1
| - bit 7: dutyIsAbs
| - bit 3: noise on
| - bit 2: pulse on
| - bit 1: saw on
| - bit 0: triangle on
1 | attack
1 | decay
1 | sustain
1 | sustain rate
1 | release
1 | wave mix mode
1 | parameters
2 | duty
1 | flags 2
| - bit 7: phase modulation
| - bit 6: enable special wave
| - bit 5: 1-bit noise
| - bit 4: separate noise pitch
| - bit 3: wavetable channel
| - bit 3: do wavetable
| - bit 2: reset duty on new note
| - bit 1: osc sync
| - bit 0: ring mod
1 | phase modulation source channel
1 | ring modulation source channel
1 | hard sync source channel
1 | special wave
1 | parameters
1 | flags 3
| - bit 1: left channel signal inversion
| - bit 0: right channel signal inversion
1 | feedback

2
src/engine/engine.cpp
View file

@ -1577,7 +1577,7 @@ void* DivEngine::getDispatchChanState(int ch) {
void DivEngine::getChanPaired(int ch, std::vector<DivChannelPair>& ret) {
if (ch<0 || ch>=chans) return;
disCont[dispatchOfChan[ch]].dispatch->getPaired(dispatchChanOfChan[ch], ret);
disCont[dispatchOfChan[ch]].dispatch->getPaired(dispatchChanOfChan[ch],ret);
}
DivChannelModeHints DivEngine::getChanModeHints(int ch) {

37
src/engine/instrument.cpp
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@ -1044,6 +1044,14 @@ void DivInstrument::writeFeatureS2(SafeWriter* w) {
void DivInstrument::writeFeatureS3(SafeWriter* w) {
FEATURE_BEGIN("S3");
w->writeC(
(sid3.dutyIsAbs?0x80:0)|
(sid3.noiseOn?8:0)|
(sid3.pulseOn?4:0)|
(sid3.sawOn?2:0)|
(sid3.triOn?1:0)
);
w->writeC(sid3.a);
w->writeC(sid3.d);
w->writeC(sid3.s);
@ -1052,12 +1060,17 @@ void DivInstrument::writeFeatureS3(SafeWriter* w) {
w->writeC(sid3.mixMode);
w->writeS(sid3.duty);
w->writeC(
(sid3.phase_mod?0x80:0)|
(sid3.specialWaveOn?0x40:0)|
(sid3.oneBitNoise?0x20:0)|
(sid3.separateNoisePitch?0x10:0)|
(sid3.doWavetable?8:0)
(sid3.doWavetable?8:0)|
(sid3.resetDuty?4:0)|
(sid3.oscSync?2:0)|
(sid3.ringMod?1:0)
);
w->writeC(sid3.phase_mod_source);
@ -1067,10 +1080,9 @@ void DivInstrument::writeFeatureS3(SafeWriter* w) {
w->writeC(sid3.phaseInv);
w->writeC(sid3.feedback);
w->writeC(4); //number of filters
w->writeC(4); // number of filters
for(int i = 0; i < 4; i++)
{
for (int i=0; i<4; i++) {
w->writeC(
(sid3.filt[i].enabled?0x80:0)|
(sid3.filt[i].init?0x40:0)|
@ -2473,21 +2485,34 @@ void DivInstrument::readFeatureS2(SafeReader& reader, short version) {
void DivInstrument::readFeatureS3(SafeReader& reader, short version) {
READ_FEAT_BEGIN;
unsigned char next=reader.readC();
sid3.dutyIsAbs=next&0x80;
sid3.noiseOn=next&8;
sid3.pulseOn=next&4;
sid3.sawOn=next&2;
sid3.triOn=next&1;
sid3.a=reader.readC();
sid3.d=reader.readC();
sid3.s=reader.readC();
sid3.sr=reader.readC();
sid3.r=reader.readC();
sid2.mixMode=reader.readC();
sid3.mixMode=reader.readC();
unsigned char next=reader.readC();
sid3.duty=reader.readS();
next=reader.readC();
sid3.phase_mod=next&0x80;
sid3.specialWaveOn=next&0x40;
sid3.oneBitNoise=next&0x20;
sid3.separateNoisePitch=next&0x10;
sid3.doWavetable=next&8;
sid3.resetDuty=next&4;
sid3.oscSync=next&2;
sid3.ringMod=next&1;
sid3.phase_mod_source=reader.readC();
sid3.ring_mod_source=reader.readC();