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/***************************************************************************
dgnalpha.h
Dragon Alpha
***************************************************************************/
#pragma once
#ifndef __DGNALPHA__
#define __DGNALPHA__
#include "includes/dragon.h"
#include "sound/ay8910.h"
#include "machine/wd17xx.h"
//**************************************************************************
// MACROS / CONSTANTS
//**************************************************************************
/* devices */
#define PIA2_TAG "pia2"
#define AY8912_TAG "ay8912"
#define WD2797_TAG "wd2797"
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
class dragon_alpha_state : public dragon64_state
{
public:
dragon_alpha_state(const machine_config &mconfig, device_type type, const char *tag);
required_device<pia6821_device> m_pia_2;
required_device<device_t> m_ay8912;
required_device<device_t> m_fdc;
static const pia6821_interface pia2_config;
static const ay8910_interface ay8912_interface;
static const wd17xx_interface fdc_interface;
protected:
/* driver overrides */
virtual void device_start(void);
virtual void device_reset(void);
/* interrupts */
virtual bool firq_get_line(void);
/* PIA1 */
virtual DECLARE_READ8_MEMBER( ff20_read );
virtual DECLARE_WRITE8_MEMBER( ff20_write );
private:
UINT8 m_just_reset;
/* pia2 */
DECLARE_WRITE8_MEMBER( pia2_pa_w );
DECLARE_WRITE_LINE_MEMBER( pia2_firq_a );
DECLARE_WRITE_LINE_MEMBER( pia2_firq_b );
/* psg */
DECLARE_READ8_MEMBER( psg_porta_read );
DECLARE_WRITE8_MEMBER( psg_porta_write );
/* fdc */
DECLARE_WRITE_LINE_MEMBER( fdc_intrq_w );
DECLARE_WRITE_LINE_MEMBER( fdc_drq_w );
/* modem */
UINT8 modem_r(offs_t offset);
void modem_w(offs_t offset, UINT8 data);
};
#endif /* __DGNALPHA__ */
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