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/**********************************************************************
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 "sound/discrete.h"
//**************************************************************************
// MACROS / CONSTANTS
//**************************************************************************
#define ABC800_KEYBOARD_TAG "abc800kb"
//**************************************************************************
// INTERFACE CONFIGURATION MACROS
//**************************************************************************
#define MCFG_ABC800_KEYBOARD_ADD(_config) \
MCFG_DEVICE_ADD(ABC800_KEYBOARD_TAG, ABC800_KEYBOARD, 0) \
MCFG_DEVICE_CONFIG(_config)
#define ABC800_KEYBOARD_INTERFACE(_name) \
const abc800_keyboard_interface (_name) =
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
// ======================> abc800_keyboard_interface
struct abc800_keyboard_interface
{
devcb_write_line m_out_clock_cb;
devcb_write_line m_out_keydown_cb;
};
// ======================> abc800_keyboard_device
class abc800_keyboard_device : public device_t,
public abc800_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;
DECLARE_WRITE_LINE_MEMBER( rxd_w );
DECLARE_READ_LINE_MEMBER( txd_r );
// 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_config_complete();
virtual void device_start();
virtual void device_reset();
virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr);
private:
devcb_resolved_write_line m_out_clock_func;
devcb_resolved_write_line m_out_keydown_func;
inline void serial_output(int state);
inline void serial_clock();
inline void key_down(int state);
required_device<cpu_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
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