setOperatorMask

src/minidexed.cpp

@@ -2185,17 +2185,28 @@ unsigned CMiniDexed::getModController (unsigned controller, unsigned parameter,
 	
 }
 
-void CMiniDexed::setOperatorMute(uint8_t operatorIndex, unsigned nTG) {
-    if (nTG >= CConfig::AllToneGenerators || operatorIndex >= 6) {
-        LOGERR("Invalid tone generator or operator index: TG=%u, Operator=%u", nTG, operatorIndex);
+void CMiniDexed::setOperatorMask(uint8_t operatorMask, unsigned nTG) {
+    if (nTG >= CConfig::AllToneGenerators) {
+        LOGERR("Invalid tone generator: TG=%u", nTG);
         return;
     }
 
-    // Toggle the operator mask for the specified operator
-    m_uchOPMask[nTG] ^= (1 << operatorIndex);
+    // According to Yamaha DX7/TX SysEx format:
+    // Bit 0 = OP6, Bit 1 = OP5, Bit 2 = OP4, Bit 3 = OP3, Bit 4 = OP2, Bit 5 = OP1
+    // For MiniDexed: Bit 0 = OP1, Bit 1 = OP2, etc. - need to reverse the bit order to match
     
-    LOGDBG("Operator %u mute toggled for TG %u. New mask: 0x%02X", operatorIndex, nTG, m_uchOPMask[nTG]);
+    uint8_t reversedMask = 0;
+    for (int i = 0; i < 6; i++) {
+        if (operatorMask & (1 << i)) {
+            reversedMask |= (1 << (5 - i));
+        }
+    }
+    
+    m_uchOPMask[nTG] = reversedMask;
+    LOGDBG("Set operator mask for TG %u: Yamaha=0x%02X, Reversed=0x%02X", nTG, operatorMask, reversedMask);
 
     // Apply the updated operator mask to the tone generator
+    if (nTG < m_nToneGenerators) {
         m_pTG[nTG]->setOPAll(m_uchOPMask[nTG]);
     }
+}