// license:BSD-3-Clause // copyright-holders:AJR #ifndef MAME_MACHINE_CIT220_KBD_H #define MAME_MACHINE_CIT220_KBD_H #pragma once #include "cpu/mcs48/mcs48.h" #include "sound/beep.h" //************************************************************************** // TYPE DEFINITIONS //************************************************************************** // ======================> cit220p_keyboard_device class cit220p_keyboard_device : public device_t { public: // device type constructor cit220p_keyboard_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock = 0); // callback configuration auto txd_callback() { return m_txd_callback.bind(); } // serial line input DECLARE_WRITE_LINE_MEMBER(write_rxd); protected: // device-level overrides virtual void device_resolve_objects() override; 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; private: // MCU handlers u8 mcu_bus_r(); u8 mcu_p2_r(); void mcu_p2_w(u8 data); void mcu_movx_w(u8 data); // address maps void prog_map(address_map &map); void ext_map(address_map &map); // object finders required_device m_mcu; required_device m_beeper; required_ioport_array<13> m_rows; required_ioport m_modifiers; // output callback devcb_write_line m_txd_callback; }; // device type declaration DECLARE_DEVICE_TYPE(CIT220P_KEYBOARD, cit220p_keyboard_device) #endif // MAME_MACHINE_CIT220_KBD_H