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Diffstat (limited to 'src/devices/cpu/tms57002/tms57002.cpp')
-rw-r--r--src/devices/cpu/tms57002/tms57002.cpp27
1 files changed, 13 insertions, 14 deletions
diff --git a/src/devices/cpu/tms57002/tms57002.cpp b/src/devices/cpu/tms57002/tms57002.cpp
index 593a74e3263..3485ba25695 100644
--- a/src/devices/cpu/tms57002/tms57002.cpp
+++ b/src/devices/cpu/tms57002/tms57002.cpp
@@ -920,21 +920,20 @@ void tms57002_device::execute_run()
icount = 0;
}
-void tms57002_device::sound_stream_update(sound_stream &stream, std::vector<read_stream_view> const &inputs, std::vector<write_stream_view> &outputs)
+void tms57002_device::sound_stream_update(sound_stream &stream)
{
- assert(inputs[0].samples() == 1);
- assert(outputs[0].samples() == 1);
-
- stream_buffer::sample_t in_scale = 32767.0 * ((st0 & ST0_SIM) ? 256.0 : 1.0);
- si[0] = s32(inputs[0].get(0) * in_scale) & 0xffffff;
- si[1] = s32(inputs[1].get(0) * in_scale) & 0xffffff;
- si[2] = s32(inputs[2].get(0) * in_scale) & 0xffffff;
- si[3] = s32(inputs[3].get(0) * in_scale) & 0xffffff;
-
- outputs[0].put_int(0, s32(so[0] << 8) >> 1, 32768 * 32768);
- outputs[1].put_int(0, s32(so[1] << 8) >> 1, 32768 * 32768);
- outputs[2].put_int(0, s32(so[2] << 8) >> 1, 32768 * 32768);
- outputs[3].put_int(0, s32(so[3] << 8) >> 1, 32768 * 32768);
+ assert(stream.samples() == 1);
+
+ sound_stream::sample_t in_scale = 32768.0 * ((st0 & ST0_SIM) ? 256.0 : 1.0);
+ si[0] = s32(stream.get(0, 0) * in_scale) & 0xffffff;
+ si[1] = s32(stream.get(1, 0) * in_scale) & 0xffffff;
+ si[2] = s32(stream.get(2, 0) * in_scale) & 0xffffff;
+ si[3] = s32(stream.get(3, 0) * in_scale) & 0xffffff;
+
+ stream.put(0, 0, s32(so[0] << 8) / 2147483648.0);
+ stream.put(1, 0, s32(so[1] << 8) / 2147483648.0);
+ stream.put(2, 0, s32(so[2] << 8) / 2147483648.0);
+ stream.put(3, 0, s32(so[3] << 8) / 2147483648.0);
sync_w(1);
}