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OPLI progress... still figuring out correct readings

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This commit is contained in:
James Alan Nguyen 2022-04-24 02:37:25 +10:00
parent a049e43618
commit 6bd199923f
4 changed files with 114 additions and 19 deletions
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3
src/engine/engine.h
View file

@ -291,13 +291,10 @@ class DivEngine {
void loadSBI(SafeReader& reader, std::vector<DivInstrument*>& ret, String& stripPath);
void loadOPLI(SafeReader& reader, std::vector<DivInstrument*>& ret, String& stripPath);
void loadOPNI(SafeReader& reader, std::vector<DivInstrument*>& ret, String& stripPath);
void loadPAT(SafeReader& reader, std::vector<DivInstrument*>& ret, String& stripPath);
void loadY12(SafeReader& reader, std::vector<DivInstrument*>& ret, String& stripPath);
void loadBNK(SafeReader& reader, std::vector<DivInstrument*>& ret, String& stripPath);
void loadOPM(SafeReader& reader, std::vector<DivInstrument*>& ret, String& stripPath);
void loadFF(SafeReader& reader, std::vector<DivInstrument*>& ret, String& stripPath);
void loadWOPL(SafeReader& reader, std::vector<DivInstrument*>& ret, String& stripPath);
void loadWOPN(SafeReader& reader, std::vector<DivInstrument*>& ret, String& stripPath);
bool initAudioBackend();
bool deinitAudioBackend();

126
src/engine/fileOpsIns.cpp
View file

@ -30,15 +30,12 @@ enum DivInsFormats {
DIV_INSFORMAT_BTI,
DIV_INSFORMAT_S3I,
DIV_INSFORMAT_SBI,
DIV_INSFORMAT_PAT,
DIV_INSFORMAT_Y12,
DIV_INSFORMAT_OPLI,
DIV_INSFORMAT_OPNI,
DIV_INSFORMAT_BNK,
DIV_INSFORMAT_OPM,
DIV_INSFORMAT_FF,
DIV_INSFORMAT_WOPL,
DIV_INSFORMAT_WOPN,
};
// Patch data structures
@ -641,6 +638,105 @@ void DivEngine::loadSBI(SafeReader& reader, std::vector<DivInstrument*>& ret, St
}
}
void DivEngine::loadOPLI(SafeReader& reader, std::vector<DivInstrument*>& ret, String& stripPath) {
DivInstrument* ins = new DivInstrument;
try {
reader.seek(0, SEEK_SET);
String header = reader.readString(11);
if (header.compare("WOPL3-INST") == 0) {
uint16_t version = reader.readS();
bool isPerc = (reader.readC() == 1);
ins->type = DIV_INS_OPL;
String insName = reader.readString(32);
insName = (insName.length() > 0) ? insName : stripPath;
ins->name = insName;
reader.seek(7, SEEK_CUR); // skip MIDI params
uint8_t instTypeFlags = reader.readC(); // [0EEEDCBA] - see WOPL/OPLI spec
bool is_2op = ((instTypeFlags & 0x1) > 0);
bool is_4op = (((instTypeFlags>>1) & 0x1) > 0);
bool is_2x2op = (((instTypeFlags>>2) & 0x1) > 0);
bool is_rhythm = (((instTypeFlags>>4) & 0x7) > 0);
auto readOpliOp = [](SafeReader& reader, DivInstrumentFM::Operator op) {
uint8_t characteristics = reader.readC();
uint8_t keyScaleLevel = reader.readC();
uint8_t attackDecay = reader.readC();
uint8_t sustainRelease = reader.readC();
uint8_t waveSelect = reader.readC();
op.mult = characteristics & 0xF;
op.ksr = ((characteristics >> 4) & 0x1);
op.sus = ((characteristics >> 5) & 0x1);
op.vib = ((characteristics >> 6) & 0x1);
op.am = ((characteristics >> 7) & 0x1);
op.tl = keyScaleLevel & 0x3F;
op.ksl = ((keyScaleLevel >> 6) & 0x3);
op.ar = ((attackDecay >> 4) & 0xF);
op.dr = attackDecay & 0xF;
op.rr = sustainRelease & 0xF;
op.sl = ((sustainRelease >> 4) & 0xF);
op.ws = waveSelect;
};
uint8_t feedConnect = reader.readC();
uint8_t feedConnect2nd = reader.readC();
ins->fm.alg = (feedConnect & 0x1);
ins->fm.fb = ((feedConnect >> 1) & 0xF);
if (is_4op) {
ins->fm.ops = 4;
ins->fm.alg = (feedConnect & 0x1) | ((feedConnect2nd & 0x1) << 1);
for (int i : {0,2,1,3}) {
readOpliOp(reader, ins->fm.op[i]);
}
} else {
ins->fm.ops = 2;
for (int i = 0; i < 2; ++i) {
readOpliOp(reader, ins->fm.op[i]);
}
if (is_rhythm) {
ins->fm.opllPreset = (uint8_t)(1<<4);
} else if (is_2x2op) {
ins->name = fmt::format("{0} (1)", insName);
ret.push_back(ins);
ins = new DivInstrument;
ins->type = DIV_INS_OPL;
ins->name = fmt::format("{0} (2)", insName);
for (int i = 0; i < 2; ++i) {
readOpliOp(reader, ins->fm.op[i]);
}
}
}
// Skip rest of file
reader.seek(0, SEEK_END);
ret.push_back(ins);
}
} catch (EndOfFileException& e) {
lastError = "premature end of file";
logE("premature end of file");
delete ins;
}
}
void DivEngine::loadOPNI(SafeReader& reader, std::vector<DivInstrument*>& ret, String& stripPath) {
DivInstrument* ins = new DivInstrument;
try {
reader.seek(0, SEEK_SET);
} catch (EndOfFileException& e) {
lastError = "premature end of file";
logE("premature end of file");
delete ins;
}
}
void DivEngine::loadY12(SafeReader& reader, std::vector<DivInstrument*>& ret, String& stripPath) {
DivInstrument *ins = new DivInstrument;
@ -653,18 +749,18 @@ void DivEngine::loadY12(SafeReader& reader, std::vector<DivInstrument*>& ret, St
for (int i : {0,1,2,3}) {
DivInstrumentFM::Operator& insOp = ins->fm.op[i];
uint8_t tmp = reader.readC();
insOp.mult = (tmp & 0xF);
insOp.mult = tmp & 0xF;
insOp.dt = ((tmp >> 4) & 0x7);
insOp.tl = (reader.readC() & 0x3F);
tmp = reader.readC();
insOp.rs = ((tmp >> 6) & 0x3);
insOp.ar = (tmp & 0x1F);
insOp.ar = tmp & 0x1F;
tmp = reader.readC();
insOp.dr = (tmp & 0x1F);
insOp.dr = tmp & 0x1F;
insOp.am = ((tmp >> 7) & 0x1);
insOp.d2r = (reader.readC() & 0x1F);
tmp = reader.readC();
insOp.rr = (tmp & 0xF);
insOp.rr = tmp & 0xF;
insOp.sl = ((tmp >> 4) & 0xF);
insOp.ssgEnv = reader.readC();
reader.seek(9, SEEK_CUR);
@ -884,7 +980,7 @@ void DivEngine::loadOPM(SafeReader& reader, std::vector<DivInstrument*>& ret, St
return (x>limitHigh) ? limitHigh :
(x<limitLow) ? limitLow : x;
};
auto readOpmOperator = [readIntStrWithinRange](SafeReader& reader, DivInstrumentFM::Operator& op) {
auto readOpmOperator = [&](SafeReader& reader, DivInstrumentFM::Operator& op) {
op.ar = readIntStrWithinRange(reader.readString_Token(), 0, 31);
op.dr = readIntStrWithinRange(reader.readString_Token(), 0, 31);
op.d2r = readIntStrWithinRange(reader.readString_Token(), 0, 31);
@ -1130,9 +1226,7 @@ std::vector<DivInstrument*> DivEngine::instrumentFromFile(const char* path) {
} else if (extS==String(".opli")) {
format=DIV_INSFORMAT_OPLI;
} else if (extS==String(".opni")) {
format=DIV_INSFORMAT_OPNI;
} else if (extS==String(".pat")) {
format=DIV_INSFORMAT_PAT;
format=DIV_INSFORMAT_OPNI;;
} else if (extS==String(".y12")) {
format=DIV_INSFORMAT_Y12;
} else if (extS==String(".bnk")) {
@ -1141,10 +1235,6 @@ std::vector<DivInstrument*> DivEngine::instrumentFromFile(const char* path) {
format=DIV_INSFORMAT_OPM;
} else if (extS==String(".ff")) {
format=DIV_INSFORMAT_FF;
} else if (extS==String(".wopl")) {
format=DIV_INSFORMAT_WOPL;
} else if (extS==String(".wopn")) {
format=DIV_INSFORMAT_WOPN;
}
}
@ -1169,6 +1259,12 @@ std::vector<DivInstrument*> DivEngine::instrumentFromFile(const char* path) {
case DIV_INSFORMAT_SBI:
loadSBI(reader,ret,stripPath);
break;
case DIV_INSFORMAT_OPLI:
loadOPLI(reader,ret,stripPath);
break;
case DIV_INSFORMAT_OPNI:
loadOPNI(reader, ret, stripPath);
break;
case DIV_INSFORMAT_Y12:
loadY12(reader,ret,stripPath);
break;

2
src/engine/safeReader.cpp
View file

@ -139,7 +139,7 @@ double SafeReader::readD() {
}
String SafeReader::readString(size_t stlen) {
String ret(stlen, ' ');
String ret;
#ifdef READ_DEBUG
logD("SR: reading string len %d at %x",stlen,curSeek);
#endif

2
src/gui/settings.cpp
View file

@ -2485,6 +2485,8 @@ void FurnaceGUI::applyUISettings(bool updateFonts) {
ImGuiFileDialog::Instance()->SetFileStyle(IGFD_FileStyleByExtension,".vgi",uiColors[GUI_COLOR_FILE_INSTR],ICON_FA_FILE);
ImGuiFileDialog::Instance()->SetFileStyle(IGFD_FileStyleByExtension,".s3i",uiColors[GUI_COLOR_FILE_INSTR],ICON_FA_FILE);
ImGuiFileDialog::Instance()->SetFileStyle(IGFD_FileStyleByExtension,".sbi",uiColors[GUI_COLOR_FILE_INSTR],ICON_FA_FILE);
ImGuiFileDialog::Instance()->SetFileStyle(IGFD_FileStyleByExtension,".opli",uiColors[GUI_COLOR_FILE_INSTR],ICON_FA_FILE);
ImGuiFileDialog::Instance()->SetFileStyle(IGFD_FileStyleByExtension,".opni",uiColors[GUI_COLOR_FILE_INSTR],ICON_FA_FILE);
ImGuiFileDialog::Instance()->SetFileStyle(IGFD_FileStyleByExtension,".y12",uiColors[GUI_COLOR_FILE_INSTR],ICON_FA_FILE);
ImGuiFileDialog::Instance()->SetFileStyle(IGFD_FileStyleByExtension,".bnk",uiColors[GUI_COLOR_FILE_INSTR],ICON_FA_FILE);
ImGuiFileDialog::Instance()->SetFileStyle(IGFD_FileStyleByExtension,".fti",uiColors[GUI_COLOR_FILE_INSTR],ICON_FA_FILE);