// license:BSD-3-Clause // copyright-holders:R. Belmont /********************************************************************* a2midi.h Apple II 6850 MIDI card, as made by Passport, Yamaha, and others. *********************************************************************/ #ifndef __A2BUS_MIDI__ #define __A2BUS_MIDI__ #include "a2bus.h" #include "machine/6840ptm.h" #include "machine/6850acia.h" //************************************************************************** // TYPE DEFINITIONS //************************************************************************** class a2bus_midi_device: public device_t, public device_a2bus_card_interface { public: // construction/destruction a2bus_midi_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); a2bus_midi_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, uint32_t clock, const char *shortname, const char *source); // optional information overrides virtual machine_config_constructor device_mconfig_additions() const override; DECLARE_WRITE_LINE_MEMBER( acia_irq_w ); DECLARE_WRITE_LINE_MEMBER( ptm_irq_w ); DECLARE_WRITE_LINE_MEMBER( write_acia_clock ); protected: virtual void device_start() override; virtual void device_reset() override; virtual uint8_t read_c0nx(address_space &space, uint8_t offset) override; virtual void write_c0nx(address_space &space, uint8_t offset, uint8_t data) override; required_device m_ptm; required_device m_acia; private: bool m_acia_irq, m_ptm_irq; }; // device type definition extern const device_type A2BUS_MIDI; #endif /* __A2BUS_MIDI__ */