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// license:BSD-3-Clause
// copyright-holders:AJR,Wilbert Pol
/***************************************************************************
ASCII R800 CPU
***************************************************************************/
#ifndef MAME_CPU_Z80_R800_H
#define MAME_CPU_Z80_R800_H
#pragma once
#include "z80.h"
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
class r800_device : public z80_device
{
public:
// device type constructor
r800_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock);
static constexpr feature_type imperfect_features() { return feature::TIMING; }
protected:
// device_t implementation
virtual void device_validity_check(validity_checker &valid) const override;
// device_execute_interface overrides
virtual u64 execute_clocks_to_cycles(u64 clocks) const noexcept override { return (clocks + 4 - 1) / 4; }
virtual u64 execute_cycles_to_clocks(u64 cycles) const noexcept override { return (cycles * 4); }
virtual void execute_run() override;
// device_disasm_interface implementation
virtual std::unique_ptr<util::disasm_interface> create_disassembler() override;
u8 r800_sll(u8 value);
void mulub(u8 value);
void muluw(u16 value);
};
// device type declaration
DECLARE_DEVICE_TYPE(R800, r800_device)
#endif // MAME_CPU_Z80_R800_H
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