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/*********************************************************************
konami.h
Portable Konami CPU emulator
**********************************************************************/
#pragma once
#ifndef __KONAMI_CPU_H__
#define __KONAMI_CPU_H__
#include "m6809.h"
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
// callbacks
typedef void (*konami_set_lines_func)(device_t *device, int lines);
#define KONAMI_SETLINES_CALLBACK(name) void name(device_t *device, int lines)
// 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
void configure_set_lines(konami_set_lines_func func) { m_set_lines = func; }
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
konami_set_lines_func 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 0 /* IRQ line number */
#define KONAMI_FIRQ_LINE 1 /* FIRQ line number */
//**************************************************************************
// FUNCTIONS
//**************************************************************************
void konami_configure_set_lines(device_t *device, konami_set_lines_func func);
#endif /* __KONAMI_CPU_H__ */
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