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new panning effects (80/81/82)

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This commit is contained in:
tildearrow 2022-04-29 23:41:14 -05:00
parent 9c4fed2f4e
commit 2e8634626d
29 changed files with 328 additions and 112 deletions
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10
src/engine/engine.cpp
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@ -69,6 +69,12 @@ const char* DivEngine::getEffectDesc(unsigned char effect, int chan, bool notNul
return "0Dxx: Jump to next pattern";
case 0x0f:
return "0Fxx: Set speed 2";
case 0x80:
return "80xx: Set panning (00: left; 80: center; FF: right)";
case 0x81:
return "81xx: Set panning (left channel)";
case 0x82:
return "82xx: Set panning (right channel)";
case 0xc0: case 0xc1: case 0xc2: case 0xc3:
return "Cxxx: Set tick rate (hz)";
case 0xe0:
@ -1052,6 +1058,10 @@ int DivEngine::convertPanSplitToLinear(unsigned int val, unsigned char bits, int
return pan*range;
}
int DivEngine::convertPanSplitToLinearLR(unsigned char left, unsigned char right, int range) {
return convertPanSplitToLinear((left<<8)|right,8,range);
}
unsigned int DivEngine::convertPanLinearToSplit(int val, unsigned char bits, int range) {
if (val<0) val=0;
if (val>range) val=range;