Ejemplo n.º 1
0
        internal void Reset()
        {
            // Wav exporter
              if ((_wavExporter != null))
              {
            // We stop recording just in case
            StopRecording();
              }
              else
              {
            _wavExporter = new WavExporter();
            _channel1WavExporter = new WavExporter();
            _channel2WavExporter = new WavExporter();
            _channel3WavExporter = new WavExporter();
            _channel4WavExporter = new WavExporter();
              }

              _frameSequencer = new FrameSequencer();

              // We setup the channels
              _channel1 = new SquareChannel(_memory, _frameSequencer,
                                    SampleRate, NumChannels, SampleSize, 0,
                                    MMR.NR10, MMR.NR11, MMR.NR12, MMR.NR13, MMR.NR14);
              // NOTE(Cristian): Channel 2 doesn't have frequency sweep
              _channel2 = new SquareChannel(_memory, _frameSequencer,
                                    SampleRate, NumChannels, SampleSize, 1,
                                    0, MMR.NR21, MMR.NR22, MMR.NR23, MMR.NR24);

              _channel3 = new WaveChannel(_memory, _frameSequencer,
                                  SampleRate, NumChannels, SampleSize, 2);
              _channel4 = new NoiseChannel(_memory, _frameSequencer,
                                   SampleRate, NumChannels, SampleSize, 3);

              _state.LeftChannelEnabled = true;
              _state.RightChannelEnabled = true;

              Channel1Run = true;
              Channel2Run = true;
              Channel3Run = true;
              Channel4Run = true;

              _memory.LowLevelWrite((ushort)MMR.NR10, 0x80);
              _memory.LowLevelWrite((ushort)MMR.NR11, 0xBF);
              _memory.LowLevelWrite((ushort)MMR.NR12, 0xF3);
              _memory.LowLevelWrite((ushort)MMR.NR13, 0xFF);
              _memory.LowLevelWrite((ushort)MMR.NR14, 0xBF);

              _memory.LowLevelWrite(0xFF15, 0xFF);

              _memory.LowLevelWrite((ushort)MMR.NR21, 0x3F);
              _memory.LowLevelWrite((ushort)MMR.NR22, 0x00);
              _memory.LowLevelWrite((ushort)MMR.NR23, 0xFF);
              _memory.LowLevelWrite((ushort)MMR.NR24, 0xBF);

              _memory.LowLevelWrite((ushort)MMR.NR30, 0x7F);
              _memory.LowLevelWrite((ushort)MMR.NR31, 0xFF);
              _memory.LowLevelWrite((ushort)MMR.NR32, 0x9F);
              _memory.LowLevelWrite((ushort)MMR.NR33, 0xBF);
              _memory.LowLevelWrite((ushort)MMR.NR34, 0xBF); // No info

              _memory.LowLevelWrite(0xFF1F, 0xFF);

              _memory.LowLevelWrite((ushort)MMR.NR41, 0xFF);
              _memory.LowLevelWrite((ushort)MMR.NR42, 0x00);
              _memory.LowLevelWrite((ushort)MMR.NR43, 0x00);
              _memory.LowLevelWrite((ushort)MMR.NR44, 0xBF); // No info

              _memory.LowLevelWrite((ushort)MMR.NR50, 0x77);
              _memory.LowLevelWrite((ushort)MMR.NR51, 0xF3);
              _memory.LowLevelWrite((ushort)MMR.NR52, 0xF1);

              // We fill 0xFF27-0xFF2F with 0xFF
              for (ushort r = 0xFF27; r <= 0xFF2F; ++r)
              {
            _memory.LowLevelWrite(r, 0xFF);
              }

              _buffer = new byte[_sampleRate * _numChannels * _sampleSize * _milliseconds / 1000];
        }
Ejemplo n.º 2
0
        internal void Reset()
        {
            // Wav exporter
            if ((_wavExporter != null))
            {
                // We stop recording just in case
                StopRecording();
            }
            else
            {
                _wavExporter         = new WavExporter();
                _channel1WavExporter = new WavExporter();
                _channel2WavExporter = new WavExporter();
                _channel3WavExporter = new WavExporter();
                _channel4WavExporter = new WavExporter();
            }

            _frameSequencer = new FrameSequencer();

            // We setup the channels
            _channel1 = new SquareChannel(_memory, _frameSequencer,
                                          SampleRate, NumChannels, SampleSize, 0,
                                          MMR.NR10, MMR.NR11, MMR.NR12, MMR.NR13, MMR.NR14);
            // NOTE(Cristian): Channel 2 doesn't have frequency sweep
            _channel2 = new SquareChannel(_memory, _frameSequencer,
                                          SampleRate, NumChannels, SampleSize, 1,
                                          0, MMR.NR21, MMR.NR22, MMR.NR23, MMR.NR24);

            _channel3 = new WaveChannel(_memory, _frameSequencer,
                                        SampleRate, NumChannels, SampleSize, 2);
            _channel4 = new NoiseChannel(_memory, _frameSequencer,
                                         SampleRate, NumChannels, SampleSize, 3);

            _state.LeftChannelEnabled  = true;
            _state.RightChannelEnabled = true;

            Channel1Run = true;
            Channel2Run = true;
            Channel3Run = true;
            Channel4Run = true;

            _memory.LowLevelWrite((ushort)MMR.NR10, 0x80);
            _memory.LowLevelWrite((ushort)MMR.NR11, 0xBF);
            _memory.LowLevelWrite((ushort)MMR.NR12, 0xF3);
            _memory.LowLevelWrite((ushort)MMR.NR13, 0xFF);
            _memory.LowLevelWrite((ushort)MMR.NR14, 0xBF);

            _memory.LowLevelWrite(0xFF15, 0xFF);

            _memory.LowLevelWrite((ushort)MMR.NR21, 0x3F);
            _memory.LowLevelWrite((ushort)MMR.NR22, 0x00);
            _memory.LowLevelWrite((ushort)MMR.NR23, 0xFF);
            _memory.LowLevelWrite((ushort)MMR.NR24, 0xBF);

            _memory.LowLevelWrite((ushort)MMR.NR30, 0x7F);
            _memory.LowLevelWrite((ushort)MMR.NR31, 0xFF);
            _memory.LowLevelWrite((ushort)MMR.NR32, 0x9F);
            _memory.LowLevelWrite((ushort)MMR.NR33, 0xBF);
            _memory.LowLevelWrite((ushort)MMR.NR34, 0xBF); // No info

            _memory.LowLevelWrite(0xFF1F, 0xFF);

            _memory.LowLevelWrite((ushort)MMR.NR41, 0xFF);
            _memory.LowLevelWrite((ushort)MMR.NR42, 0x00);
            _memory.LowLevelWrite((ushort)MMR.NR43, 0x00);
            _memory.LowLevelWrite((ushort)MMR.NR44, 0xBF); // No info

            _memory.LowLevelWrite((ushort)MMR.NR50, 0x77);
            _memory.LowLevelWrite((ushort)MMR.NR51, 0xF3);
            _memory.LowLevelWrite((ushort)MMR.NR52, 0xF1);

            // We fill 0xFF27-0xFF2F with 0xFF
            for (ushort r = 0xFF27; r <= 0xFF2F; ++r)
            {
                _memory.LowLevelWrite(r, 0xFF);
            }

            _buffer = new byte[_sampleRate * _numChannels * _sampleSize * _milliseconds / 1000];
        }