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Diffstat (limited to 'src/emu/sound/iremga20.h')
-rw-r--r--src/emu/sound/iremga20.h25
1 files changed, 24 insertions, 1 deletions
diff --git a/src/emu/sound/iremga20.h b/src/emu/sound/iremga20.h
index b0b0f9e7cc6..c069ee73a9b 100644
--- a/src/emu/sound/iremga20.h
+++ b/src/emu/sound/iremga20.h
@@ -13,6 +13,29 @@
WRITE8_DEVICE_HANDLER( irem_ga20_w );
READ8_DEVICE_HANDLER( irem_ga20_r );
-DECLARE_LEGACY_SOUND_DEVICE(IREMGA20, iremga20);
+class iremga20_device : public device_t,
+ public device_sound_interface
+{
+public:
+ iremga20_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
+ ~iremga20_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();
+ virtual void device_reset();
+
+ // 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 IREMGA20;
+
#endif /* __IREMGA20_H__ */