diff options
Diffstat (limited to 'src/devices/sound/digitalk.cpp')
-rw-r--r-- | src/devices/sound/digitalk.cpp | 30 |
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; |