// license:BSD-3-Clause // copyright-holders:Barry Rodewald // Convergent NGEN keyboard #ifndef NGEN_KB_H_ #define NGEN_KB_H_ #include "bus/rs232/keyboard.h" class ngen_keyboard_device : public serial_keyboard_device { public: ngen_keyboard_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); virtual ioport_constructor device_input_ports() const; virtual DECLARE_WRITE_LINE_MEMBER( input_txd ) { device_serial_interface::rx_w(state); } protected: virtual void device_start(); virtual void device_reset(); virtual void rcv_complete(); private: virtual UINT8 keyboard_handler(UINT8 last_code, UINT8 *scan_line); UINT8 row_number(UINT8 code); void write(UINT8 data); bool m_keys_down; bool m_last_reset; }; extern const device_type NGEN_KEYBOARD; #endif /* NGENKB_H_ */