otomatalabs/furnace
8
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Merge branch 'tildearrow:master' into SID3

Browse source
This commit is contained in:
LTVA1 2024-08-17 08:19:36 +03:00 • committed by GitHub
commit e35bcb3549
No known key found for this signature in database
GPG key ID: B5690EEEBB952194
3 changed files with 27 additions and 14 deletions
Download patch file Download diff file Expand all files Collapse all files

26
src/engine/playback.cpp
View file

@ -1668,26 +1668,34 @@ bool DivEngine::nextTick(bool noAccum, bool inhibitLowLat) {
chan[i].panPos+=chan[i].panRate;
chan[i].panPos&=255;
// calculate...
// calculate inverted...
switch (chan[i].panPos&0xc0) {
case 0: // center -> right
chan[i].panL=0xff-((chan[i].panPos&0x3f)<<2);
chan[i].panR=0xff;
chan[i].panL=((chan[i].panPos&0x3f)<<2);
chan[i].panR=0;
break;
case 0x40: // right -> center
chan[i].panL=(chan[i].panPos&0x3f)<<2;
chan[i].panR=0xff;
chan[i].panL=0xff-((chan[i].panPos&0x3f)<<2);
chan[i].panR=0;
break;
case 0x80: // center -> left
chan[i].panL=0xff;
chan[i].panR=0xff-((chan[i].panPos&0x3f)<<2);
chan[i].panL=0;
chan[i].panR=((chan[i].panPos&0x3f)<<2);
break;
case 0xc0: // left -> center
chan[i].panL=0xff;
chan[i].panR=(chan[i].panPos&0x3f)<<2;
chan[i].panL=0;
chan[i].panR=0xff-((chan[i].panPos&0x3f)<<2);
break;
}
// multiply by depth
chan[i].panL=(chan[i].panL*chan[i].panDepth)/15;
chan[i].panR=(chan[i].panR*chan[i].panDepth)/15;
// then invert it to get final panning
chan[i].panL^=0xff;
chan[i].panR^=0xff;
dispatchCmd(DivCommand(DIV_CMD_PANNING,i,chan[i].panL,chan[i].panR));
}