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IT import: consider cutoff value

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tildearrow 2024-06-27 02:45:41 -05:00
parent 6f8f2b9e2a
commit 3e4dfb9dcf
1 changed files with 20 additions and 6 deletions
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26
src/engine/fileOps/it.cpp
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@ -501,6 +501,20 @@ bool DivEngine::loadIT(unsigned char* file, size_t len) {
} }
} }
// set filter macro to cutoff value if no filter envelope is defined
if (ins->std.ex1Macro.len==0 && initCut&0x80) {
if ((initCut&0x7f)==0x7f) {
ins->std.ex1Macro.len=1;
ins->std.ex1Macro.val[0]=65535;
} else {
ins->std.ex1Macro.len=1;
ins->std.ex1Macro.val[0]=1024+(initCut&0x7f)*400;
}
} else {
ins->std.ex1Macro.len=1;
ins->std.ex1Macro.val[0]=65535;
}
ds.ins.push_back(ins); ds.ins.push_back(ins);
} }
@ -766,9 +780,9 @@ bool DivEngine::loadIT(unsigned char* file, size_t len) {
} }
if (chan&128) { if (chan&128) {
mask[chan&63]=reader.readC(); mask[(chan-1)&63]=reader.readC();
} }
chan&=63; chan=(chan-1)&63;
if (chan>maxChan) maxChan=chan; if (chan>maxChan) maxChan=chan;
@ -1037,11 +1051,9 @@ bool DivEngine::loadIT(unsigned char* file, size_t len) {
} }
if (chan&128) { if (chan&128) {
mask[chan&63]=reader.readC(); mask[(chan-1)&63]=reader.readC();
} }
chan&=63; chan=(chan-1)&63;
if (chan>maxChan) maxChan=chan;
if (mask[chan]&1) { if (mask[chan]&1) {
note[chan]=reader.readC(); note[chan]=reader.readC();
@ -1265,6 +1277,8 @@ bool DivEngine::loadIT(unsigned char* file, size_t len) {
} }
} }
maxChan++;
ds.insLen=ds.ins.size(); ds.insLen=ds.ins.size();
logV("maxChan: %d",maxChan); logV("maxChan: %d",maxChan);