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Merge branch 'master' of https://github.com/tildearrow/furnace into ymf278b

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cam900 2024-08-18 20:23:14 +09:00
commit 7fb7d32bd5
41 changed files with 1972 additions and 387 deletions
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26
src/engine/playback.cpp
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@ -1663,26 +1663,34 @@ 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));
}