NScumm.Core.Audio.SoftSynth.TownsMidiInputChannel.NoteOff C# (CSharp) Method

        public override void NoteOff(byte note)
        {
            if (_out == null)
                return;

            for (TownsMidiOutputChannel oc = _out; oc != null; oc = oc._next)
            {
                if (oc._note != note)
                    continue;

                if (_sustain != 0)
                    oc._sustainNoteOff = 1;
                else
                    oc.Disconnect();
            }
        }

        public override void Send(int b)
        {
            if (!_isOpen)
            {
                return;
            }

            int  param2 = ((b >> 16) & 0xFF);
            byte param1 = (byte)((b >> 8) & 0xFF);
            byte cmd    = (byte)(b & 0xF0);

            TownsMidiInputChannel c = _channels[b & 0x0F];

            switch (cmd)
            {
            case 0x80:
                c.NoteOff(param1);
                break;

            case 0x90:
                if (param2 != 0)
                {
                    c.NoteOn(param1, (byte)param2);
                }
                else
                {
                    c.NoteOff(param1);
                }
                break;

            case 0xB0:
                c.ControlChange(param1, (byte)param2);
                break;

            case 0xC0:
                c.ProgramChange(param1);
                break;

            case 0xE0:
                c.PitchBend((short)((param1 | (param2 << 7)) - 0x2000));
                break;

            case 0xF0:
                Debug.WriteLine("MidiDriver_TOWNS: Receiving SysEx command on a send() call");
                break;
            }
        }