// license:BSD-3-Clause // copyright-holders:AJR /********************************************************************* CCS Model 7710 Asynchronous Serial Interface *********************************************************************/ #ifndef MAME_BUS_A2BUS_CCS7710_H #define MAME_BUS_A2BUS_CCS7710_H #pragma once #include "a2bus.h" #include "machine/6850acia.h" #include "machine/f4702.h" class ccs7710_device : public device_t, public device_a2bus_card_interface { public: // device type constructor ccs7710_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock); protected: // device-level overrides virtual void device_start() override; virtual ioport_constructor device_input_ports() const override; virtual void device_add_mconfig(machine_config &config) override; virtual const tiny_rom_entry *device_rom_region() const override; // device_a2bus_card_interface overrides virtual u8 read_c0nx(u8 offset) override; virtual void write_c0nx(u8 offset, u8 data) override; virtual u8 read_cnxx(u8 offset) override; virtual bool take_c800() override { return false; } private: // miscellaneous handlers DECLARE_WRITE_LINE_MEMBER(acia_irq_w); DECLARE_WRITE_LINE_MEMBER(external_clock_w); u8 baud_select_r(offs_t offset); // object finders required_device m_acia; required_device m_brg; required_region_ptr m_firmware; required_ioport m_baud_select; // internal state bool m_external_clock; }; // device type declaration DECLARE_DEVICE_TYPE(A2BUS_CCS7710, ccs7710_device) #endif // MAME_BUS_A2BUS_CCS7710_H