diff options
Diffstat (limited to 'src/devices/sound/ymz770.cpp')
-rw-r--r-- | src/devices/sound/ymz770.cpp | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/src/devices/sound/ymz770.cpp b/src/devices/sound/ymz770.cpp index cb87eafb304..c7a7a91a114 100644 --- a/src/devices/sound/ymz770.cpp +++ b/src/devices/sound/ymz770.cpp @@ -81,7 +81,7 @@ void ymz770_device::device_start() save_item(NAME(m_bsl)); save_item(NAME(m_cpl)); - for (int ch = 0; ch < 16; ch++) // TODO array size + for (int ch = 0; ch < 16; ch++) // TODO array size { save_item(NAME(m_channels[ch].phrase), ch); save_item(NAME(m_channels[ch].pan), ch); @@ -166,9 +166,9 @@ void ymz770_device::sound_stream_update(sound_stream &stream, stream_sample_t ** if (channel.output_remaining > 0) { // force finish current block - int32_t smpl = (channel.output_data[channel.output_ptr++] * channel.volume) >> 7; // volume is linear, 0 - 128 (100%) + int32_t smpl = (channel.output_data[channel.output_ptr++] * channel.volume) >> 7; // volume is linear, 0 - 128 (100%) smpl = (smpl * channel.volume2) >> 7; - mixr += (smpl * channel.pan) >> 7; // pan seems linear, 0 - 128, where 0 = 100% left, 128 = 100% right, 64 = 50% left 50% right + mixr += (smpl * channel.pan) >> 7; // pan seems linear, 0 - 128, where 0 = 100% left, 128 = 100% right, 64 = 50% left 50% right mixl += (smpl * (128 - channel.pan)) >> 7; channel.output_remaining--; @@ -222,7 +222,7 @@ retry: } } - mixr *= m_vlma; // main volume is linear, 0 - 255, where 128 = 100% + mixr *= m_vlma; // main volume is linear, 0 - 255, where 128 = 100% mixl *= m_vlma; mixr >>= 7 - m_bsl; mixl >>= 7 - m_bsl; |