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Diffstat (limited to 'src/devices/sound/upd934g.h')
-rw-r--r-- | src/devices/sound/upd934g.h | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/src/devices/sound/upd934g.h b/src/devices/sound/upd934g.h new file mode 100644 index 00000000000..02224f2739d --- /dev/null +++ b/src/devices/sound/upd934g.h @@ -0,0 +1,70 @@ +// license: BSD-3-Clause +// copyright-holders: Dirk Best +/*************************************************************************** + + NEC μPD934G + + Percussion Generator + +***************************************************************************/ + +#ifndef MAME_SOUND_UPD934G_H +#define MAME_SOUND_UPD934G_H + +#pragma once + + +//************************************************************************** +// INTERFACE CONFIGURATION MACROS +//************************************************************************** + +#define MCFG_UPD934G_DATA_CB(_devcb) \ + devcb = &downcast<upd934g_device &>(*device).set_data_callback(DEVCB_##_devcb); + + +//************************************************************************** +// TYPE DEFINITIONS +//************************************************************************** + +class upd934g_device : public device_t, public device_sound_interface +{ +public: + static constexpr feature_type imperfect_features() { return feature::SOUND; } + + // construction/destruction + upd934g_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); + + // configuration + template <class Object> devcb_base &set_data_callback(Object &&cb) { return m_data_cb.set_callback(std::forward<Object>(cb)); } + + DECLARE_WRITE8_MEMBER(write); + +protected: + // device-level overrides + virtual void device_start() override; + virtual void device_reset() override; + + virtual void sound_stream_update(sound_stream &stream, stream_sample_t **inputs, stream_sample_t **outputs, int samples) override; + +private: + devcb_read8 m_data_cb; + sound_stream *m_stream; + + uint16_t m_addr[16]; + + struct + { + uint16_t pos; + int playing; + int volume; + } + m_channel[4]; + + int m_sample; + bool m_ready; +}; + +// device type definition +DECLARE_DEVICE_TYPE(UPD934G, upd934g_device) + +#endif // MAME_SOUND_UPD934G_H |