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This commit is contained in:
Michaël Banaan Ananas 2012-04-17 16:15:20 +00:00
parent dc38487ba1
commit 8be5555e52
1 changed files with 5 additions and 4 deletions
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9
src/emu/sound/i5000.c
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@ -31,13 +31,14 @@ i5000snd_device::i5000snd_device(const machine_config &mconfig, const char *tag,
void i5000snd_device::device_start()
{
// fill volume table
double div = 1.025;
double vol = 255.0;
double div = 1.032;
double vol = 2047.0;
for (int i = 0; i < 0x100; i++)
{
m_lut_volume[i] = vol + 0.5;
vol /= div;
}
m_lut_volume[0xff] = 0;
// create the stream
m_stream = machine().sound().stream_alloc(*this, 0, 2, clock() / 0x400, this);
@ -124,8 +125,8 @@ void i5000snd_device::sound_stream_update(sound_stream &stream, stream_sample_t
adpcm_data = m_channels[ch].m_adpcm.clock(adpcm_data & m_channels[ch].shift_mask);
m_channels[ch].output_r = adpcm_data * m_channels[ch].vol_r / 16;
m_channels[ch].output_l = adpcm_data * m_channels[ch].vol_l / 16;
m_channels[ch].output_r = adpcm_data * m_channels[ch].vol_r / 128;
m_channels[ch].output_l = adpcm_data * m_channels[ch].vol_l / 128;
mix_r += m_channels[ch].output_r;
mix_l += m_channels[ch].output_l;
}