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/**********************************************************************
Tandy 2000 keyboard emulation
Copyright MESS Team.
Visit http://mamedev.org for licensing and usage restrictions.
*********************************************************************/
#pragma once
#ifndef __TANDY2K_KEYBOARD__
#define __TANDY2K_KEYBOARD__
#include "emu.h"
#include "cpu/mcs48/mcs48.h"
//**************************************************************************
// MACROS / CONSTANTS
//**************************************************************************
#define TANDY2K_KEYBOARD_TAG "tandy2kb"
//**************************************************************************
// INTERFACE CONFIGURATION MACROS
//**************************************************************************
#define MCFG_TANDY2K_KEYBOARD_ADD(_config) \
MCFG_DEVICE_ADD(TANDY2K_KEYBOARD_TAG, TANDY2K_KEYBOARD, 0) \
MCFG_DEVICE_CONFIG(_config)
#define TANDY2K_KEYBOARD_INTERFACE(_name) \
const tandy2k_keyboard_interface (_name) =
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
// ======================> tandy2k_keyboard_interface
struct tandy2k_keyboard_interface
{
devcb_write_line m_out_clock_cb;
devcb_write_line m_out_data_cb;
};
// ======================> tandy2k_keyboard_device
class tandy2k_keyboard_device : public device_t,
public tandy2k_keyboard_interface
{
public:
// construction/destruction
tandy2k_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( power_w );
DECLARE_WRITE_LINE_MEMBER( reset_w );
DECLARE_WRITE_LINE_MEMBER( busy_w );
DECLARE_READ_LINE_MEMBER( data_r );
// not really public
DECLARE_READ8_MEMBER( kb_p1_r );
DECLARE_WRITE8_MEMBER( kb_p1_w );
DECLARE_WRITE8_MEMBER( kb_p2_w );
protected:
// device-level overrides
virtual void device_start();
virtual void device_reset();
virtual void device_config_complete();
private:
devcb_resolved_write_line m_out_clock_func;
devcb_resolved_write_line m_out_data_func;
required_device<cpu_device> m_maincpu;
required_ioport m_y0;
required_ioport m_y1;
required_ioport m_y2;
required_ioport m_y3;
required_ioport m_y4;
required_ioport m_y5;
required_ioport m_y6;
required_ioport m_y7;
required_ioport m_y8;
required_ioport m_y9;
required_ioport m_y10;
required_ioport m_y11;
UINT16 m_keylatch;
int m_clock;
int m_data;
};
// device type definition
extern const device_type TANDY2K_KEYBOARD;
#endif
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