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// license:BSD-3-Clause
// copyright-holders:Curt Coder
/**********************************************************************
Luxor ABC-55/77 keyboard emulation
Copyright MESS Team.
Visit http://mamedev.org for licensing and usage restrictions.
*********************************************************************/
#pragma once
#ifndef __ABC77__
#define __ABC77__
#include "emu.h"
#include "cpu/mcs48/mcs48.h"
#include "machine/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 clock, const char *shortname, const char *source);
abc77_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);
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();
virtual void device_reset();
virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr);
enum
{
TIMER_SERIAL,
TIMER_RESET
};
inline void serial_output(int state);
inline void serial_clock();
inline void key_down(int state);
devcb_resolved_write_line m_out_clock_func;
devcb_resolved_write_line m_out_keydown_func;
required_device<cpu_device> m_maincpu;
required_device<discrete_sound_device> m_discrete;
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;
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 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 clock);
// optional information overrides
virtual ioport_constructor device_input_ports() const;
};
// device type definition
extern const device_type ABC77;
extern const device_type ABC55;
#endif
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