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// license:BSD-3-Clause
// copyright-holders:R. Belmont
/*********************************************************************
laser128.h
Helper to implement the Laser 128's built-in slot peripherals
*********************************************************************/
#ifndef MAME_BUS_A2BUS_LASER128_H
#define MAME_BUS_A2BUS_LASER128_H
#pragma once
#include "a2bus.h"
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
class a2bus_laser128_device:
public device_t,
public device_a2bus_card_interface
{
public:
// construction/destruction
a2bus_laser128_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
protected:
a2bus_laser128_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock);
virtual void device_start() override;
virtual void device_reset() override;
virtual void device_add_mconfig(machine_config &config) override;
// overrides of standard a2bus slot functions
virtual uint8_t read_c0nx(uint8_t offset) override;
virtual void write_c0nx(uint8_t offset, uint8_t data) override;
virtual uint8_t read_cnxx(uint8_t offset) override;
virtual uint8_t read_c800(uint16_t offset) override;
virtual void write_c800(uint16_t offset, uint8_t data) override;
virtual bool take_c800() override;
private:
uint8_t *m_rom;
uint8_t m_slot7_ram[0x800];
int m_slot7_bank, m_slot7_ram_bank;
};
// device type definition
DECLARE_DEVICE_TYPE(A2BUS_LASER128, a2bus_laser128_device)
#endif // MAME_BUS_A2BUS_LASER128_H
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