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author Olivier Galibert <galibert@pobox.com>2025-04-14 11:31:53 +0200
committer Olivier Galibert <galibert@pobox.com>2025-04-27 22:23:20 +0200
commitd0f1c15a0f6df2dd51a754cb46e6175b7079c8f2 (patch)
treebe35c94340442af08c316a8679089ee68e119fac /src/devices/cpu/m6502/st2205u.cpp
parentec636faeba5c5841c5a4a35b7c9dc2f06a00f538 (diff)
New sound infrastructure.
Should be added soon: - mute - speaker/microphone resampling To be added a little later: - compression - reverb Needs to be added by someone else: - coreaudio - direct - portaudio - xaudio2 - js
Diffstat (limited to 'src/devices/cpu/m6502/st2205u.cpp')
-rw-r--r--src/devices/cpu/m6502/st2205u.cpp14
1 files changed, 4 insertions, 10 deletions
diff --git a/src/devices/cpu/m6502/st2205u.cpp b/src/devices/cpu/m6502/st2205u.cpp
index 8e63a20fab4..cf7639b9aca 100644
--- a/src/devices/cpu/m6502/st2205u.cpp
+++ b/src/devices/cpu/m6502/st2205u.cpp
@@ -101,25 +101,19 @@ st2302u_device::st2302u_device(const machine_config &mconfig, const char *tag, d
{
}
-void st2205u_base_device::sound_stream_update(sound_stream &stream, std::vector<read_stream_view> const &inputs, std::vector<write_stream_view> &outputs)
+void st2205u_base_device::sound_stream_update(sound_stream &stream)
{
- // reset the output stream
- outputs[0].fill(0);
- outputs[1].fill(0);
- outputs[2].fill(0);
- outputs[3].fill(0);
-
- int samples = outputs[0].samples();
+ int samples = stream.samples();
int outpos = 0;
while (samples-- != 0)
{
for (int channel = 0; channel < 4; channel++)
{
s16 adpcm_contribution = m_adpcm_level[channel];
- outputs[channel].add_int(outpos, adpcm_contribution * 0x10, 32768);
+ stream.add_int(channel, outpos, adpcm_contribution * 0x10, 32768);
auto psg_contribution = std::sin((double)m_psg_freqcntr[channel]/4096.0f);
- outputs[channel].add_int(outpos, psg_contribution * m_psg_amplitude[channel]*0x80,32768);
+ stream.add_int(channel, outpos, psg_contribution * m_psg_amplitude[channel]*0x80,32768);
}
outpos++;