// license:BSD-3-Clause // copyright-holders:Sergey Svishchev /********************************************************************** K7659 keyboard emulation *********************************************************************/ #pragma once #ifndef __K7659_KEYBOARD__ #define __K7659_KEYBOARD__ #include "emu.h" //************************************************************************** // MACROS / CONSTANTS //************************************************************************** #define K7659_KEYBOARD_TAG "k7659kb" //************************************************************************** // INTERFACE CONFIGURATION MACROS //************************************************************************** #define MCFG_K7659_KEYBOARD_ADD() \ MCFG_DEVICE_ADD(K7659_KEYBOARD_TAG, K7659_KEYBOARD, 0) //************************************************************************** // TYPE DEFINITIONS //************************************************************************** // ======================> k7659_keyboard_device class k7659_keyboard_device : public device_t { public: // construction/destruction k7659_keyboard_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); // optional information overrides virtual const tiny_rom_entry *device_rom_region() const override; virtual machine_config_constructor device_mconfig_additions() const override; virtual ioport_constructor device_input_ports() const override; DECLARE_READ8_MEMBER(read); protected: // device-level overrides 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; emu_timer *m_timer; private: uint8_t key_pos(uint8_t val); uint8_t m_lookup; uint8_t m_key; const uint8_t *m_p_rom; }; // device type definition extern const device_type K7659_KEYBOARD; #endif