diff options
Diffstat (limited to 'src/devices/sound/t6w28.cpp')
-rw-r--r-- | src/devices/sound/t6w28.cpp | 21 |
1 files changed, 8 insertions, 13 deletions
diff --git a/src/devices/sound/t6w28.cpp b/src/devices/sound/t6w28.cpp index 9525794e489..bbb483557d8 100644 --- a/src/devices/sound/t6w28.cpp +++ b/src/devices/sound/t6w28.cpp @@ -104,26 +104,21 @@ void t6w28_device::write(offs_t offset, uint8_t data) // sound_stream_update - handle a stream update //------------------------------------------------- -void t6w28_device::sound_stream_update(sound_stream &stream, std::vector<read_stream_view> const &inputs, std::vector<write_stream_view> &outputs) +void t6w28_device::sound_stream_update(sound_stream &stream) { - int i; - auto &buffer0 = outputs[0]; - auto &buffer1 = outputs[1]; - - /* If the volume is 0, increase the counter */ - for (i = 0;i < 8;i++) + for (int i = 0;i < 8;i++) { if (m_volume[i] == 0) { /* note that I do count += samples, NOT count = samples + 1. You might think */ /* it's the same since the volume is 0, but doing the latter could cause */ /* interferencies when the program is rapidly modulating the volume. */ - if (m_count[i] <= buffer0.samples()*STEP) m_count[i] += buffer0.samples()*STEP; + if (m_count[i] <= stream.samples()*STEP) m_count[i] += stream.samples()*STEP; } } - for (int sampindex = 0; sampindex < buffer0.samples(); sampindex++) + for (int sampindex = 0; sampindex < stream.samples(); sampindex++) { int vol[8]; unsigned int out0, out1; @@ -134,7 +129,7 @@ void t6w28_device::sound_stream_update(sound_stream &stream, std::vector<read_st /* in the 1 position during the sample period. */ vol[0] = vol[1] = vol[2] = vol[3] = vol[4] = vol[5] = vol[6] = vol[7] = 0; - for (i = 2;i < 3;i++) + for (int i = 2;i < 3;i++) { if (m_output[i]) vol[i] += m_count[i]; m_count[i] -= STEP; @@ -161,7 +156,7 @@ void t6w28_device::sound_stream_update(sound_stream &stream, std::vector<read_st if (m_output[i]) vol[i] -= m_count[i]; } - for (i = 4;i < 7;i++) + for (int i = 4;i < 7;i++) { if (m_output[i]) vol[i] += m_count[i]; m_count[i] -= STEP; @@ -252,8 +247,8 @@ void t6w28_device::sound_stream_update(sound_stream &stream, std::vector<read_st if (out0 > MAX_OUTPUT * STEP) out0 = MAX_OUTPUT * STEP; if (out1 > MAX_OUTPUT * STEP) out1 = MAX_OUTPUT * STEP; - buffer0.put_int(sampindex, out0 / STEP, 32768); - buffer1.put_int(sampindex, out1 / STEP, 32768); + stream.put_int(0, sampindex, out0 / STEP, 32768); + stream.put_int(1, sampindex, out1 / STEP, 32768); } } |