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// license:BSD-3-Clause
// copyright-holders:R. Belmont
/*********************************************************************
a2vulcan.h
Applied Engineering Vulcan and Vulcan Gold IDE controllers
*********************************************************************/
#ifndef __A2BUS_VULCAN__
#define __A2BUS_VULCAN__
#include "emu.h"
#include "a2bus.h"
#include "machine/ataintf.h"
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
class a2bus_vulcanbase_device:
public device_t,
public device_a2bus_card_interface
{
public:
// construction/destruction
a2bus_vulcanbase_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);
// optional information overrides
virtual machine_config_constructor device_mconfig_additions() const;
protected:
virtual void device_start();
virtual void device_reset();
// overrides of standard a2bus slot functions
virtual UINT8 read_c0nx(address_space &space, UINT8 offset);
virtual void write_c0nx(address_space &space, UINT8 offset, UINT8 data);
virtual UINT8 read_cnxx(address_space &space, UINT8 offset);
virtual UINT8 read_c800(address_space &space, UINT16 offset);
virtual void write_c800(address_space &space, UINT16 offset, UINT8 data);
required_device<ata_interface_device> m_ata;
UINT8 *m_rom;
UINT8 m_ram[8*1024];
private:
UINT16 m_lastdata;
int m_rombank, m_rambank;
bool m_last_read_was_0;
};
class a2bus_vulcan_device : public a2bus_vulcanbase_device
{
public:
a2bus_vulcan_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
virtual const rom_entry *device_rom_region() const;
protected:
virtual void device_start();
protected:
};
class a2bus_vulcangold_device : public a2bus_vulcanbase_device
{
public:
a2bus_vulcangold_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
virtual const rom_entry *device_rom_region() const;
};
// device type definition
extern const device_type A2BUS_VULCAN;
extern const device_type A2BUS_VULCANGOLD;
#endif /* __A2BUS_VULCAN__ */
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