// license:BSD-3-Clause // copyright-holders:AJR /********************************************************************** CIT-101 85-key keyboard **********************************************************************/ #ifndef MAME_MACHINE_CIT101_KBD_H #define MAME_MACHINE_CIT101_KBD_H #pragma once #include "cpu/mcs48/mcs48.h" #include "sound/beep.h" //************************************************************************** // TYPE DEFINITIONS //************************************************************************** // ======================> cit101_keyboard_device class cit101_keyboard_device : public device_t { public: // device type constructor cit101_keyboard_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock = 0); static constexpr feature_type imperfect_features() { return feature::SOUND; } // callback configuration auto txd_callback() { return m_txd_callback.bind(); } // serial line input DECLARE_WRITE_LINE_MEMBER(write_rxd); protected: cit101_keyboard_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, u32 clock); // 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 void p2_w(u8 data); void leds_w(u8 data); u8 keys_r(); // 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<11> m_keys; required_ioport m_kbid; output_finder<7> m_leds; // output callback devcb_write_line m_txd_callback; // internal state bool m_kbid_enabled; }; // ======================> cit101e_keyboard_device class cit101e_keyboard_device : public cit101_keyboard_device { public: // device type constructor cit101e_keyboard_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock = 0); protected: // device-level overrides virtual ioport_constructor device_input_ports() const override; virtual const tiny_rom_entry *device_rom_region() const override; }; // device type declarations DECLARE_DEVICE_TYPE(CIT101_KEYBOARD, cit101_keyboard_device) DECLARE_DEVICE_TYPE(CIT101E_KEYBOARD, cit101e_keyboard_device) #endif