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// license:BSD-3-Clause
// copyright-holders:Karl Stenerud
#ifndef MAME_CPU_M68000_M68020_H
#define MAME_CPU_M68000_M68020_H
#pragma once
#include "m68kcommon.h"
class m68ec020_device : public m68000_base_device
{
public:
// construction/destruction
m68ec020_device(const machine_config &mconfig, const char *tag, device_t *owner, const XTAL &clock);
virtual std::unique_ptr<util::disasm_interface> create_disassembler() override;
virtual u32 execute_min_cycles() const noexcept override { return 2; }
virtual u32 execute_max_cycles() const noexcept override { return 158; }
// device-level overrides
virtual void device_start() override;
};
class m68020_device : public m68000_base_device
{
public:
// construction/destruction
m68020_device(const machine_config &mconfig, const char *tag, device_t *owner, const XTAL &clock);
virtual std::unique_ptr<util::disasm_interface> create_disassembler() override;
virtual u32 execute_min_cycles() const noexcept override { return 2; }
virtual u32 execute_max_cycles() const noexcept override { return 158; }
// device-level overrides
virtual void device_start() override;
};
class m68020fpu_device : public m68000_base_device
{
public:
// construction/destruction
m68020fpu_device(const machine_config &mconfig, const char *tag, device_t *owner, const XTAL &clock);
virtual std::unique_ptr<util::disasm_interface> create_disassembler() override;
virtual u32 execute_min_cycles() const noexcept override { return 2; }
virtual u32 execute_max_cycles() const noexcept override { return 158; }
// device-level overrides
virtual void device_start() override;
};
class m68020pmmu_device : public m68000_base_device
{
public:
// construction/destruction
m68020pmmu_device(const machine_config &mconfig, const char *tag, device_t *owner, const XTAL &clock);
virtual std::unique_ptr<util::disasm_interface> create_disassembler() override;
virtual u32 execute_min_cycles() const noexcept override { return 2; }
virtual u32 execute_max_cycles() const noexcept override { return 158; }
// device-level overrides
virtual void device_start() override;
};
class m68020hmmu_device : public m68000_base_device
{
public:
// construction/destruction
m68020hmmu_device(const machine_config &mconfig, const char *tag, device_t *owner, const XTAL &clock);
virtual std::unique_ptr<util::disasm_interface> create_disassembler() override;
virtual u32 execute_min_cycles() const noexcept override { return 2; }
virtual u32 execute_max_cycles() const noexcept override { return 158; }
virtual bool memory_translate(int space, int intention, offs_t &address) override;
// device-level overrides
virtual void device_start() override;
};
DECLARE_DEVICE_TYPE(M68EC020, m68ec020_device)
DECLARE_DEVICE_TYPE(M68020, m68020_device)
DECLARE_DEVICE_TYPE(M68020FPU, m68020fpu_device)
DECLARE_DEVICE_TYPE(M68020PMMU, m68020pmmu_device)
DECLARE_DEVICE_TYPE(M68020HMMU, m68020hmmu_device)
#endif
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