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// license:BSD-3-Clause
// copyright-holders:Sandro Ronco
#ifndef MAME_BUS_KC_ROM_H
#define MAME_BUS_KC_ROM_H
#pragma once
#include "kc.h"
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
// ======================> kc_8k_device
class kc_8k_device :
public device_t,
public device_kcexp_interface
{
public:
// construction/destruction
kc_8k_device(const machine_config &mconfig, const char *tag, device_t *owner, const XTAL &clock);
protected:
kc_8k_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, const XTAL &clock);
// device-level overrides
virtual void device_start() override;
virtual void device_reset() override;
virtual const tiny_rom_entry *device_rom_region() const override;
// kcexp_interface overrides
virtual uint8_t module_id_r() override { return 0xfb; }
virtual void control_w(uint8_t data) override;
virtual void read(offs_t offset, uint8_t &data) override;
virtual uint8_t* get_cart_base() override;
virtual DECLARE_WRITE_LINE_MEMBER( mei_w ) override;
protected:
kcexp_slot_device *m_slot;
// internal state
int m_mei; // module enable line
uint8_t * m_rom;
uint8_t m_enabled;
uint16_t m_base;
};
// ======================> kc_m006_device
class kc_m006_device :
public kc_8k_device
{
public:
// construction/destruction
kc_m006_device(const machine_config &mconfig, const char *tag, device_t *owner, const XTAL &clock);
protected:
// kcexp_interface overrides
virtual uint8_t module_id_r() override { return 0xfc; }
virtual void control_w(uint8_t data) override;
virtual void read(offs_t offset, uint8_t &data) override;
};
// ======================> kc_m033_device
class kc_m033_device :
public kc_8k_device
{
public:
// construction/destruction
kc_m033_device(const machine_config &mconfig, const char *tag, device_t *owner, const XTAL &clock);
protected:
// device-level overrides
virtual void device_reset() override;
// kcexp_interface overrides
virtual uint8_t module_id_r() override { return 0x01; }
virtual void control_w(uint8_t data) override;
virtual void read(offs_t offset, uint8_t &data) override;
private:
// internal state
uint16_t m_bank;
};
// device type definition
DECLARE_DEVICE_TYPE(KC_STANDARD, kc_8k_device)
DECLARE_DEVICE_TYPE(KC_M006, kc_m006_device)
DECLARE_DEVICE_TYPE(KC_M033, kc_m033_device)
#endif // MAME_BUS_KC_ROM_H
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