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// license:BSD-3-Clause
// copyright-holders:Nathan Woods
/*********************************************************************
konami.h
Portable Konami CPU emulator
**********************************************************************/
#pragma once
#ifndef __KONAMI_CPU_H__
#define __KONAMI_CPU_H__
#include "m6809.h"
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
#define MCFG_KONAMICPU_LINE_CB(_devcb) \
devcb = &konami_cpu_device::set_line_callback(*device, DEVCB_##_devcb);
// device type definition
extern const device_type KONAMI;
// ======================> konami_cpu_device
class konami_cpu_device : public m6809_base_device
{
public:
// construction/destruction
konami_cpu_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
// configuration
template<class _Object> static devcb_base &set_line_callback(device_t &device, _Object object) { return downcast<konami_cpu_device &>(device).m_set_lines.set_callback(object); }
protected:
// device-level overrides
virtual void device_start();
// device_execute_interface overrides
virtual void execute_run();
// device_disasm_interface overrides
virtual offs_t disasm_disassemble(char *buffer, offs_t pc, const UINT8 *oprom, const UINT8 *opram, UINT32 options);
private:
typedef m6809_base_device super;
// incidentals
devcb_write8 m_set_lines;
// konami-specific addressing modes
UINT16 &ireg();
UINT8 read_operand();
UINT8 read_operand(int ordinal);
void write_operand(UINT8 data);
void write_operand(int ordinal, UINT8 data);
exgtfr_register read_exgtfr_register(UINT8 reg);
void write_exgtfr_register(UINT8 reg, exgtfr_register value);
// instructions
void lmul();
void divx();
// miscellaneous
template<class T> T safe_shift_right(T value, UINT32 shift);
template<class T> T safe_shift_right_unsigned(T value, UINT32 shift);
template<class T> T safe_shift_left(T value, UINT32 shift);
void set_lines(UINT8 data);
void execute_one();
};
#define KONAMI_IRQ_LINE M6809_IRQ_LINE /* 0 - IRQ line number */
#define KONAMI_FIRQ_LINE M6809_FIRQ_LINE /* 1 - FIRQ line number */
#endif /* __KONAMI_CPU_H__ */
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