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dev183 - prepare for better DPCM mapping

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This commit is contained in:
tildearrow 2023-10-12 19:52:44 -05:00
parent ddf0e3f368
commit 7ede07e2a4
6 changed files with 461 additions and 278 deletions
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39
src/engine/instrument.cpp
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@ -719,6 +719,21 @@ void DivInstrument::writeFeatureX1(SafeWriter* w) {
FEATURE_END;
}
void DivInstrument::writeFeatureNE(SafeWriter* w) {
FEATURE_BEGIN("NE");
w->writeC(amiga.useNoteMap?1:0);
if (amiga.useNoteMap) {
for (int note=0; note<120; note++) {
w->writeC(amiga.noteMap[note].dpcmFreq);
w->writeC(amiga.noteMap[note].dpcmDelta);
}
}
FEATURE_END;
}
void DivInstrument::putInsData2(SafeWriter* w, bool fui, const DivSong* song, bool insName) {
size_t blockStartSeek=0;
size_t blockEndSeek=0;
@ -761,6 +776,7 @@ void DivInstrument::putInsData2(SafeWriter* w, bool fui, const DivSong* song, bo
bool featureSU=false;
bool featureES=false;
bool featureX1=false;
bool featureNE=false;
bool checkForWL=false;
@ -904,6 +920,8 @@ void DivInstrument::putInsData2(SafeWriter* w, bool fui, const DivSong* song, bo
featureFM=true;
break;
case DIV_INS_NES:
featureSM=true;
featureNE=true;
break;
case DIV_INS_MSM6258:
featureSM=true;
@ -993,6 +1011,7 @@ void DivInstrument::putInsData2(SafeWriter* w, bool fui, const DivSong* song, bo
}
if (amiga!=defaultIns.amiga) {
featureSM=true;
featureNE=true;
}
if (snes!=defaultIns.snes) {
featureSN=true;
@ -1157,6 +1176,9 @@ void DivInstrument::putInsData2(SafeWriter* w, bool fui, const DivSong* song, bo
if (featureX1) {
writeFeatureX1(w);
}
if (featureNE) {
writeFeatureNE(w);
}
if (fui && (featureSL || featureWL)) {
w->write("EN",2);
@ -2541,6 +2563,21 @@ void DivInstrument::readFeatureX1(SafeReader& reader, short version) {
READ_FEAT_END;
}
void DivInstrument::readFeatureNE(SafeReader& reader, short version) {
READ_FEAT_BEGIN;
amiga.useNoteMap=reader.readC();
if (amiga.useNoteMap) {
for (int note=0; note<120; note++) {
amiga.noteMap[note].dpcmFreq=reader.readC();
amiga.noteMap[note].dpcmDelta=reader.readC();
}
}
READ_FEAT_END;
}
DivDataErrors DivInstrument::readInsDataNew(SafeReader& reader, short version, bool fui, DivSong* song) {
unsigned char featCode[2];
@ -2606,6 +2643,8 @@ DivDataErrors DivInstrument::readInsDataNew(SafeReader& reader, short version, b
readFeatureES(reader,version);
} else if (memcmp(featCode,"X1",2)==0) { // X1-010
readFeatureX1(reader,version);
} else if (memcmp(featCode,"NE",2)==0) { // NES (DPCM)
readFeatureNE(reader,version);
} else {
if (song==NULL && (memcmp(featCode,"SL",2)==0 || (memcmp(featCode,"WL",2)==0))) {
// nothing