// license:BSD-3-Clause // copyright-holders:Curt Coder /********************************************************************** Luxor ABC-55/77 keyboard emulation *********************************************************************/ #pragma once #ifndef __ABC77__ #define __ABC77__ #include "cpu/mcs48/mcs48.h" #include "machine/watchdog.h" #include "abckb.h" #include "sound/discrete.h" #include "sound/speaker.h" //************************************************************************** // TYPE DEFINITIONS //************************************************************************** // ======================> abc77_device class abc77_device : public device_t, public abc_keyboard_interface { public: // construction/destruction abc77_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, uint32_t clock, const char *shortname, const char *source); abc77_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; // abc_keyboard_interface overrides virtual void txd_w(int state) override; DECLARE_INPUT_CHANGED_MEMBER( keyboard_reset ); DECLARE_READ8_MEMBER( p1_r ); DECLARE_WRITE8_MEMBER( p2_w ); DECLARE_READ8_MEMBER( t1_r ); DECLARE_WRITE8_MEMBER( prog_w ); DECLARE_WRITE8_MEMBER( j3_w ); 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; enum { TIMER_SERIAL, TIMER_RESET }; inline void serial_output(int state); inline void serial_clock(); inline void key_down(int state); required_device m_maincpu; required_device m_watchdog; required_device m_discrete; required_ioport_array<12> m_x; required_ioport m_dsw; int m_txd; // transmit data int m_keylatch; // keyboard row latch int m_keydown; // key down int m_clock; // transmit clock int m_hys; // hysteresis int m_reset; // reset int m_stb; // strobe uint8_t m_j3; // timers emu_timer *m_serial_timer; emu_timer *m_reset_timer; }; class abc55_device : public abc77_device { public: // construction/destruction abc55_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); // optional information overrides virtual ioport_constructor device_input_ports() const override; }; // device type definition extern const device_type ABC77; extern const device_type ABC55; #endif