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/**********************************************************************
Wang PC keyboard emulation
Copyright MESS Team.
Visit http://mamedev.org for licensing and usage restrictions.
*********************************************************************/
#pragma once
#ifndef __WANGPC_KEYBOARD__
#define __WANGPC_KEYBOARD__
#include "emu.h"
#include "cpu/mcs51/mcs51.h"
#include "sound/sn76496.h"
//**************************************************************************
// MACROS / CONSTANTS
//**************************************************************************
#define WANGPC_KEYBOARD_TAG "wangpckb"
//**************************************************************************
// INTERFACE CONFIGURATION MACROS
//**************************************************************************
#define MCFG_WANGPC_KEYBOARD_ADD() \
MCFG_DEVICE_ADD(WANGPC_KEYBOARD_TAG, WANGPC_KEYBOARD, 0)
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
// ======================> wangpc_keyboard_device
class wangpc_keyboard_device : public device_t,
public device_serial_interface
{
public:
// construction/destruction
wangpc_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;
// not really public
DECLARE_READ8_MEMBER( kb_p1_r );
DECLARE_WRITE8_MEMBER( kb_p1_w );
DECLARE_WRITE8_MEMBER( kb_p2_w );
DECLARE_WRITE8_MEMBER( kb_p3_w );
static int mcs51_rx_callback(device_t *device);
static void mcs51_tx_callback(device_t *device, int data);
protected:
// device-level overrides
virtual void device_config_complete() { m_shortname = "wangpckb"; }
virtual void device_start();
virtual void device_reset();
// device_serial_interface overrides
virtual void input_callback(UINT8 state);
private:
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_ya;
required_ioport m_yb;
required_ioport m_yc;
required_ioport m_yd;
required_ioport m_ye;
required_ioport m_yf;
UINT8 m_y;
};
// device type definition
extern const device_type WANGPC_KEYBOARD;
#endif
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