otomatalabs/furnace
7
0
Fork 0
Code Issues Pull requests Actions Packages Projects Releases Wiki Activity

S3M import: implement OPL center note

Browse source
This commit is contained in:
tildearrow 2024-06-28 16:34:23 -05:00
parent a94818f04b
commit 4485256b6a
1 changed files with 8 additions and 3 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

11
src/engine/fileOps/s3m.cpp
View file

@ -574,9 +574,14 @@ bool DivEngine::loadS3M(unsigned char* file, size_t len) {
// x
reader.readS();
// oh no, we've got a problem here...
// C-2 speed
reader.readI();
// C-2 speed - convert to macro
int centerRate=reader.readI();
double centerNote=12.0*log2((double)centerRate/8363.0);
if (round(centerNote)!=0) {
ins->std.arpMacro.len=1;
ins->std.arpMacro.val[0]=round(centerNote);
}
logV("centerRate: %d (%f)",centerRate,centerNote);
// x
reader.seek(12,SEEK_CUR);