// license:BSD-3-Clause // copyright-holders:R. Belmont /********************************************************************* a2midi.h Apple II 6850 MIDI card, as made by Passport, Yamaha, and others. *********************************************************************/ #ifndef MAME_BUS_A2BUS_A2MIDI_H #define MAME_BUS_A2BUS_A2MIDI_H #pragma once #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); protected: a2bus_midi_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock); virtual void device_start() override; virtual void device_reset() override; virtual void device_add_mconfig(machine_config &config) override; virtual uint8_t read_c0nx(uint8_t offset) override; virtual void write_c0nx(uint8_t offset, uint8_t data) override; required_device m_ptm; required_device m_acia; private: DECLARE_WRITE_LINE_MEMBER( acia_irq_w ); DECLARE_WRITE_LINE_MEMBER( ptm_irq_w ); DECLARE_WRITE_LINE_MEMBER( write_acia_clock ); bool m_acia_irq, m_ptm_irq; }; // device type definition DECLARE_DEVICE_TYPE(A2BUS_MIDI, a2bus_midi_device) #endif // MAME_BUS_A2BUS_A2MIDI_H