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GUI: now add ability to load VMEM

This commit is contained in:
tildearrow 2022-05-08 02:47:20 -05:00
parent 26cea191bb
commit 16eae18fdf
1 changed files with 77 additions and 3 deletions
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80
src/gui/sysEx.cpp
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@ -27,7 +27,10 @@ bool FurnaceGUI::parseSysEx(unsigned char* data, size_t len) {
}
unsigned char msgType=reader.readC();
unsigned short msgLen=reader.readS_BE();
unsigned char lenH=reader.readC();
unsigned char lenL=reader.readC();
unsigned short msgLen=(lenH<<7)|lenL;
logV("message length: %d",msgLen);
std::vector<DivInstrument*> instruments;
switch (msgType) {
@ -120,17 +123,88 @@ bool FurnaceGUI::parseSysEx(unsigned char* data, size_t len) {
hasACED=true;
break;
}
case 0x04: { // VMEM - voice bank
logD("reading VMEM...");
for (int i=0; i<32; i++) {
DivInstrument* ins=new DivInstrument;
ins->type=DIV_INS_FM;
for (int i=0; i<4; i++) {
DivInstrumentFM::Operator& op=ins->fm.op[i];
op.ar=reader.readC();
op.dr=reader.readC();
op.d2r=reader.readC();
op.rr=reader.readC();
op.sl=15-reader.readC();
reader.readC(); // LS - ignore
op.am=(reader.readC()&0x40)?1:0;
op.tl=3+((99-reader.readC())*124)/99;
unsigned char freq=reader.readC();
logV("OP%d freq: %d",i,freq);
op.mult=freq>>2;
op.dt2=freq&3;
unsigned char rsDt=reader.readC();
op.rs=rsDt>>3;
op.dt=rsDt&7;
}
unsigned char algFb=reader.readC();
ins->fm.alg=algFb&7;
ins->fm.fb=(algFb>>3)&7;
reader.readC(); // LFO speed - ignore
reader.readC(); // LFO delay - ignore
reader.readC(); // PMD
reader.readC(); // AMD
unsigned char fmsAmsShape=reader.readC();
ins->fm.fms=(fmsAmsShape>>4)&7;
ins->fm.ams=(fmsAmsShape>>2)&3;
for (int i=0; i<11; i++) { // skip 11 bytes
reader.readC();
}
ins->name=reader.readString(10);
for (int i=0; i<6; i++) { // reserved
reader.readC();
}
// TX81Z-specific data
for (int i=0; i<4; i++) {
DivInstrumentFM::Operator& op=ins->fm.op[i];
unsigned char egShiftFixedFixRange=reader.readC();
unsigned char wsFine=reader.readC();
op.egt=(egShiftFixedFixRange&8)?1:0;
if (op.egt) {
op.dt=egShiftFixedFixRange&7;
}
op.dvb=wsFine&15;
op.ws=wsFine>>4;
op.ksl=egShiftFixedFixRange>>4;
}
unsigned char rev=reader.readC();
for (int i=0; i<4; i++) {
ins->fm.op[i].dam=rev;
}
// skip more bytes
for (int i=0; i<46; i++) {
reader.readC();
}
instruments.push_back(ins);
}
break;
}
}
if (!reader.seek(6+msgLen,SEEK_SET)) {
logW("couldn't seek for checksum!");
logW("couldn't seek for checksum! (pre)");
for (DivInstrument* i: instruments) delete i;
return false;
}
unsigned char checkSum=reader.readC();
unsigned char localCheckSum=0xff;
if (!reader.seek(6,SEEK_SET)) {
logW("couldn't seek for checksum!");
logW("couldn't seek for checksum! (post)");
for (DivInstrument* i: instruments) delete i;
return false;
}