// license:BSD-3-Clause // copyright-holders:R. Belmont /********************************************************************* a2pic.h Apple II Parallel Interface Card *********************************************************************/ #ifndef __A2BUS_PIC__ #define __A2BUS_PIC__ #include "a2bus.h" #include "bus/centronics/ctronics.h" //************************************************************************** // TYPE DEFINITIONS //************************************************************************** class a2bus_pic_device: public device_t, public device_a2bus_card_interface { public: // construction/destruction a2bus_pic_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); a2bus_pic_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; virtual const tiny_rom_entry *device_rom_region() const override; virtual ioport_constructor device_input_ports() const override; required_ioport m_dsw1; DECLARE_WRITE_LINE_MEMBER( ack_w ); protected: virtual void device_start() override; virtual void device_reset() override; virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr) 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; virtual uint8_t read_cnxx(address_space &space, uint8_t offset) override; required_device m_ctx; required_device m_ctx_data_in; required_device m_ctx_data_out; void start_strobe(); void clear_strobe(); private: uint8_t *m_rom; bool m_started; uint8_t m_ack; bool m_irqenable; bool m_autostrobe; emu_timer *m_timer; }; // device type definition extern const device_type A2BUS_PIC; #endif /* __A2BUS_PIC__ */