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OPL and OPLL vol map
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8d30ac4d3b
commit
0208883fa1
6 changed files with 26 additions and 2 deletions
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@ -191,7 +191,7 @@ class DivPlatformOPN: public DivPlatformFMBase {
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if (ch==adpcmBChanOffs) return vel*255.0;
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if (ch>=adpcmAChanOffs) {
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if (vel==0) return 0;
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if (vel==127) return 31;
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if (vel>=1.0) return 31;
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return CLAMP(round(32.0-(56.0-log2(vel*127.0)*8.0)),0,31);
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}
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if (ch>=psgChanOffs) return round(15.0*pow(vel,0.33));
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@ -132,7 +132,7 @@ class DivPlatformFMBase: public DivDispatch {
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// -36: 2: 48
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// -42: 1: 56
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if (vel==0) return 0;
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if (vel==127) return 127;
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if (vel>=1.0) return 127;
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return CLAMP(round(128.0-(56.0-log2(vel*127.0)*8.0)),0,127);
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}
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@ -2104,6 +2104,21 @@ DivDispatchOscBuffer* DivPlatformOPL::getOscBuffer(int ch) {
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return oscBuf[ch];
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}
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int DivPlatformOPL::mapVelocity(int ch, float vel) {
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if (ch==adpcmChan) return vel*255.0;
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// -0.75dB per step
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// -6: 64: 8
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// -12: 32: 16
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// -18: 16: 24
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// -24: 8: 32
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// -30: 4: 40
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// -36: 2: 48
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// -42: 1: 56
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if (vel==0) return 0;
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if (vel>=1.0) return 63;
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return CLAMP(round(64.0-(56.0-log2(vel*127.0)*8.0)),0,63);
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}
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unsigned char* DivPlatformOPL::getRegisterPool() {
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return regPool;
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}
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@ -150,6 +150,7 @@ class DivPlatformOPL: public DivDispatch {
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unsigned short getPan(int chan);
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DivChannelPair getPaired(int chan);
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DivDispatchOscBuffer* getOscBuffer(int chan);
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int mapVelocity(int ch, float vel);
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unsigned char* getRegisterPool();
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int getRegisterPoolSize();
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void reset();
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@ -962,6 +962,13 @@ DivDispatchOscBuffer* DivPlatformOPLL::getOscBuffer(int ch) {
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return oscBuf[ch];
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}
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int DivPlatformOPLL::mapVelocity(int ch, float vel) {
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// -3dB per step
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if (vel==0) return 0;
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if (vel>=1.0) return 15;
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return CLAMP(round(16.0-(14.0-log2(vel*127.0)*2.0)),0,15);
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}
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unsigned char* DivPlatformOPLL::getRegisterPool() {
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return regPool;
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}
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@ -95,6 +95,7 @@ class DivPlatformOPLL: public DivDispatch {
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void* getChanState(int chan);
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DivMacroInt* getChanMacroInt(int ch);
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DivDispatchOscBuffer* getOscBuffer(int chan);
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int mapVelocity(int ch, float vel);
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unsigned char* getRegisterPool();
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int getRegisterPoolSize();
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void reset();
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