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-rw-r--r--src/emu/sound/zsg2.h24
1 files changed, 23 insertions, 1 deletions
diff --git a/src/emu/sound/zsg2.h b/src/emu/sound/zsg2.h
index 209b20141c1..e45cbcddffd 100644
--- a/src/emu/sound/zsg2.h
+++ b/src/emu/sound/zsg2.h
@@ -16,6 +16,28 @@ struct _zsg2_interface
const char *samplergn;
};
-DECLARE_LEGACY_SOUND_DEVICE(ZSG2, zsg2);
+class zsg2_device : public device_t,
+ public device_sound_interface
+{
+public:
+ zsg2_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
+ ~zsg2_device() { global_free(m_token); }
+
+ // access to legacy token
+ void *token() const { assert(m_token != NULL); return m_token; }
+protected:
+ // device-level overrides
+ virtual void device_config_complete();
+ virtual void device_start();
+
+ // sound stream update overrides
+ virtual void sound_stream_update(sound_stream &stream, stream_sample_t **inputs, stream_sample_t **outputs, int samples);
+private:
+ // internal state
+ void *m_token;
+};
+
+extern const device_type ZSG2;
+
#endif /* __ZSG2_H__ */