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Diffstat (limited to 'src/devices/sound/okim6258.cpp')
-rw-r--r--src/devices/sound/okim6258.cpp12
1 files changed, 3 insertions, 9 deletions
diff --git a/src/devices/sound/okim6258.cpp b/src/devices/sound/okim6258.cpp
index 171100e2080..712b3269f36 100644
--- a/src/devices/sound/okim6258.cpp
+++ b/src/devices/sound/okim6258.cpp
@@ -147,15 +147,13 @@ void okim6258_device::device_reset()
// sound_stream_update - handle a stream update
//-------------------------------------------------
-void okim6258_device::sound_stream_update(sound_stream &stream, std::vector<read_stream_view> const &inputs, std::vector<write_stream_view> &outputs)
+void okim6258_device::sound_stream_update(sound_stream &stream)
{
- auto &buffer = outputs[0];
-
if (m_status & STATUS_PLAYING)
{
int nibble_shift = m_nibble_shift;
- for (int sampindex = 0; sampindex < buffer.samples(); sampindex++)
+ for (int sampindex = 0; sampindex < stream.samples(); sampindex++)
{
/* Compute the new amplitude and update the current step */
int nibble = (m_data_in >> nibble_shift) & 0xf;
@@ -165,16 +163,12 @@ void okim6258_device::sound_stream_update(sound_stream &stream, std::vector<read
nibble_shift ^= 4;
- buffer.put_int(sampindex, sample, 32768);
+ stream.put_int(0, sampindex, sample, 32768);
}
/* Update the parameters */
m_nibble_shift = nibble_shift;
}
- else
- {
- buffer.fill(0);
- }
}
int16_t okim6258_device::clock_adpcm(uint8_t nibble)