1 // license:BSD-3-Clause 2 // copyright-holders:Nicola Salmoria 3 /*************************************************************************** 4 5 M72 audio interface 6 7 ****************************************************************************/ 8 #ifndef MAME_AUDIO_M72_H 9 #define MAME_AUDIO_M72_H 10 11 #pragma once 12 13 #include "dirom.h" 14 #include "sound/dac.h" 15 16 class m72_audio_device : public device_t, public device_rom_interface<32> // unknown address bits 17 { 18 public: 19 m72_audio_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock = 0); ~m72_audio_device()20 ~m72_audio_device() {} 21 set_dac_tag(T && tag)22 template <typename T> void set_dac_tag(T &&tag) { m_dac.set_tag(std::forward<T>(tag)); } 23 u8 sample_r(); 24 void sample_w(u8 data); 25 26 /* the port goes to different address bits depending on the game */ 27 void set_sample_start(int start); 28 void vigilant_sample_addr_w(offs_t offset, u8 data); 29 void shisen_sample_addr_w(offs_t offset, u8 data); 30 void rtype2_sample_addr_w(offs_t offset, u8 data); 31 void poundfor_sample_addr_w(offs_t offset, u8 data); 32 33 protected: 34 // device-level overrides 35 virtual void device_start() override; 36 37 // device_rom_interface overrides 38 virtual void rom_bank_updated() override; 39 40 private: 41 // internal state 42 uint32_t m_sample_addr; 43 optional_device<dac_byte_interface> m_dac; 44 }; 45 46 DECLARE_DEVICE_TYPE(IREM_M72_AUDIO, m72_audio_device) 47 48 #endif // MAME_AUDIO_M72_H 49