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// license:BSD-3-Clause
// copyright-holders:Barry Rodewald
/*
* x68k_neptunex.h
*
* Neptune-X NE2000-based ethernet board for the X68000
*
* Map:
* 0xECE000-0xECE3FF: "Y0"
* 0xECE400-0xECE7FF: "Y1"
*/
#ifndef MAME_BUS_X68K_X68K_NEPTUNEX_H
#define MAME_BUS_X68K_X68K_NEPTUNEX_H
#pragma once
#include "x68kexp.h"
#include "machine/dp8390.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, const XTAL &clock);
uint16_t x68k_neptune_port_r(offs_t offset, uint16_t mem_mask = ~0);
void x68k_neptune_port_w(offs_t offset, uint16_t data, uint16_t mem_mask = ~0);
protected:
// device-level overrides
virtual void device_add_mconfig(machine_config &config) override;
virtual void device_start() override;
virtual void device_reset() override;
// device_x68k_expansion_card_interface overrides
virtual uint8_t iack2() override;
private:
uint8_t x68k_neptune_mem_read(offs_t offset);
void x68k_neptune_mem_write(offs_t offset, uint8_t data);
void x68k_neptune_irq_w(int state);
x68k_expansion_slot_device *m_slot;
required_device<dp8390d_device> m_dp8390;
uint8_t m_board_ram[16*1024];
uint8_t m_prom[16];
};
// device type definition
DECLARE_DEVICE_TYPE(X68K_NEPTUNEX, x68k_neptune_device)
#endif // MAME_BUS_X68K_X68K_NEPTUNEX_H
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