Several fixes for SYSEX handling.

src/mididevice.cpp

@@ -162,17 +162,17 @@ void CMIDIDevice::MIDIMessageHandler (const u8 *pMessage, size_t nLength, unsign
 	else
 	{
 		for (unsigned nTG = 0; nTG < CConfig::ToneGenerators; nTG++)
+		{
+			if (ucStatus == MIDI_SYSTEM_EXCLUSIVE_BEGIN)
 			{
 				// MIDI SYSEX per MIDI channel
-			uint8_t ucSysExChannel = (pMessage[2] & 0x07) + 1;
+				uint8_t ucSysExChannel = (pMessage[2] & 0x07);
-			if (ucStatus == MIDI_SYSTEM_EXCLUSIVE_BEGIN && 
+				if (m_ChannelMap[nTG] == ucSysExChannel || m_ChannelMap[nTG] == OmniMode)
-				(m_ChannelMap[nTG] == ucSysExChannel || 
-				m_ChannelMap[nTG] == OmniMode)
-			)
 				{
-				LOGNOTE("MIDI-SYSEX: channel: %u, len: %u, TG: %u",m_ChannelMap[nTG],nTG);
+					LOGNOTE("MIDI-SYSEX: channel: %u, len: %u, TG: %u",m_ChannelMap[nTG],nLength,nTG);
 					HandleSystemExclusive(pMessage, nLength, nTG);
 				}
+			}
 			else
 			{
 				if (   m_ChannelMap[nTG] == ucChannel