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/*
 * x68k_neptunex.h
 *
 * Neptune-X NE2000-based ethernet board for the X68000
 *
 * Map:
 * 0xECE000-0xECE3FF: "Y0"
 * 0xECE400-0xECE7FF: "Y1"
 */

#ifndef X68K_NEPTUNEX_H_
#define X68K_NEPTUNEX_H_

#include "emu.h"
#include "machine/dp8390.h"
#include "machine/x68kexp.h"

#define NEPTUNE_IRQ_VECTOR 0xf9

class x68k_neptune_device : public device_t,
							public device_x68k_expansion_card_interface
{
public:
	// construction/destruction
	x68k_neptune_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);

	// optional information overrides
	virtual machine_config_constructor device_mconfig_additions() const;

	void x68k_neptune_irq_w(int state);
	DECLARE_READ8_MEMBER(x68k_neptune_mem_read);
	DECLARE_WRITE8_MEMBER(x68k_neptune_mem_write);
	DECLARE_READ16_MEMBER(x68k_neptune_port_r);
	DECLARE_WRITE16_MEMBER(x68k_neptune_port_w);

protected:
	// device-level overrides
	virtual void device_start();
	virtual void device_reset();

private:
	x68k_expansion_slot_device *m_slot;

	required_device<dp8390d_device> m_dp8390;
	UINT8 m_board_ram[16*1024];
	UINT8 m_prom[16];
};

// device type definition
extern const device_type X68K_NEPTUNEX;

#endif /* X68K_NEPTUNEX_H_ */