diff options
Diffstat (limited to 'src/devices/sound/snkwave.cpp')
-rw-r--r-- | src/devices/sound/snkwave.cpp | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/src/devices/sound/snkwave.cpp b/src/devices/sound/snkwave.cpp index 718dde017fb..44e6ba51466 100644 --- a/src/devices/sound/snkwave.cpp +++ b/src/devices/sound/snkwave.cpp @@ -44,7 +44,7 @@ void snkwave_device::device_start() m_sample_rate = m_external_clock >> CLOCK_SHIFT; /* get stream channels */ - m_stream = stream_alloc_legacy(0, 1, m_sample_rate); + m_stream = stream_alloc(0, 1, m_sample_rate); /* reset all the voices */ m_frequency = 0; @@ -60,26 +60,26 @@ void snkwave_device::device_start() //------------------------------------------------- -// sound_stream_update_legacy - handle update requests +// sound_stream_update - handle update requests // for our sound stream //------------------------------------------------- -void snkwave_device::sound_stream_update_legacy(sound_stream &stream, stream_sample_t const * const *inputs, stream_sample_t * const *outputs, int samples) +void snkwave_device::sound_stream_update(sound_stream &stream, std::vector<read_stream_view> const &inputs, std::vector<write_stream_view> &outputs) { - stream_sample_t *buffer = outputs[0]; - - /* zap the contents of the buffer */ - memset(buffer, 0, samples * sizeof(*buffer)); + auto &buffer = outputs[0]; assert(m_counter < 0x1000); assert(m_frequency < 0x1000); /* if no sound, we're done */ if (m_frequency == 0xfff) + { + buffer.fill(0); return; + } /* generate sound into buffer while updating the counter */ - while (samples-- > 0) + for (int sampindex = 0; sampindex < buffer.samples(); sampindex++) { int loops; int16_t out = 0; @@ -104,7 +104,7 @@ void snkwave_device::sound_stream_update_legacy(sound_stream &stream, stream_sam } } - *buffer++ = out; + buffer.put_int(sampindex, out, 32768); } } |