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Diffstat (limited to 'src/devices/sound/digitalk.cpp')
-rw-r--r--src/devices/sound/digitalk.cpp30
1 files changed, 15 insertions, 15 deletions
diff --git a/src/devices/sound/digitalk.cpp b/src/devices/sound/digitalk.cpp
index f498b0b7e39..9ca0e6fa5f0 100644
--- a/src/devices/sound/digitalk.cpp
+++ b/src/devices/sound/digitalk.cpp
@@ -541,32 +541,32 @@ void digitalker_device::digitalker_step()
//-------------------------------------------------
-// sound_stream_update_legacy - handle a stream update
+// sound_stream_update - handle a stream update
//-------------------------------------------------
-void digitalker_device::sound_stream_update_legacy(sound_stream &stream, stream_sample_t const * const *inputs, stream_sample_t * const *outputs, int samples)
+void digitalker_device::sound_stream_update(sound_stream &stream, std::vector<read_stream_view> const &inputs, std::vector<write_stream_view> &outputs)
{
- stream_sample_t *sout = outputs[0];
+ auto &sout = outputs[0];
int cpos = 0;
- while(cpos != samples) {
+ constexpr stream_buffer::sample_t sample_scale = 1.0 / 32768.0;
+ while(cpos != sout.samples()) {
if(m_zero_count == 0 && m_dac_index == 128)
digitalker_step();
if(m_zero_count) {
- int n = samples - cpos;
- int i;
+ int n = sout.samples() - cpos;
if(n > m_zero_count)
n = m_zero_count;
- for(i=0; i != n; i++)
- sout[cpos++] = 0;
+ sout.fill(0, cpos, n);
+ cpos += n;
m_zero_count -= n;
} else if(m_dac_index != 128) {
- while(cpos != samples && m_dac_index != 128) {
- short v = m_dac[m_dac_index];
+ while(cpos != sout.samples() && m_dac_index != 128) {
+ stream_buffer::sample_t v = stream_buffer::sample_t(m_dac[m_dac_index]) * sample_scale;
int pp = m_pitch_pos;
- while(cpos != samples && pp != m_pitch) {
- sout[cpos++] = v;
+ while(cpos != sout.samples() && pp != m_pitch) {
+ sout.put(cpos++, v);
pp++;
}
if(pp == m_pitch) {
@@ -577,8 +577,8 @@ void digitalker_device::sound_stream_update_legacy(sound_stream &stream, stream_
}
} else {
- while(cpos != samples)
- sout[cpos++] = 0;
+ sout.fill(0, cpos);
+ break;
}
}
}
@@ -655,7 +655,7 @@ void digitalker_device::digitalker_register_for_save()
void digitalker_device::device_start()
{
- m_stream = stream_alloc_legacy(0, 1, clock()/4);
+ m_stream = stream_alloc(0, 1, clock()/4);
m_dac_index = 128;
m_data = 0xff;
m_cs = m_cms = m_wr = 1;