// license:BSD-3-Clause // copyright-holders:Curt Coder /********************************************************************** Luxor ABC-800 keyboard emulation Copyright MESS Team. Visit http://mamedev.org for licensing and usage restrictions. **********************************************************************/ #pragma once #ifndef __ABC800_KEYBOARD__ #define __ABC800_KEYBOARD__ #include "emu.h" #include "cpu/mcs48/mcs48.h" #include "abckb.h" #include "sound/discrete.h" //************************************************************************** // TYPE DEFINITIONS //************************************************************************** // ======================> abc800_keyboard_device class abc800_keyboard_device : public device_t, public abc_keyboard_interface { public: // construction/destruction abc800_keyboard_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); // optional information overrides virtual const rom_entry *device_rom_region() const; virtual machine_config_constructor device_mconfig_additions() const; virtual ioport_constructor device_input_ports() const; // abc_keyboard_interface overrides virtual void txd_w(int state); // not really public DECLARE_READ8_MEMBER( kb_p1_r ); DECLARE_WRITE8_MEMBER( kb_p1_w ); DECLARE_WRITE8_MEMBER( kb_p2_w ); DECLARE_READ8_MEMBER( kb_t1_r ); protected: // device-level overrides virtual void device_start(); virtual void device_reset(); virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr); private: inline void serial_output(int state); inline void serial_clock(); inline void key_down(int state); required_device m_maincpu; required_ioport m_x0; required_ioport m_x1; required_ioport m_x2; required_ioport m_x3; required_ioport m_x4; required_ioport m_x5; required_ioport m_x6; required_ioport m_x7; required_ioport m_x8; required_ioport m_x9; required_ioport m_x10; required_ioport m_x11; int m_row; int m_txd; int m_clk; int m_stb; int m_keydown; // timers emu_timer *m_serial_timer; }; // device type definition extern const device_type ABC800_KEYBOARD; #endif