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// license:BSD-3-Clause
// copyright-holders:AJR
/***************************************************************************
Kawasaki Steel (Kawatetsu) KL5C80A16 CPU
***************************************************************************/
#ifndef MAME_CPU_Z80_KL5C80A16_H
#define MAME_CPU_Z80_KL5C80A16_H
#pragma once
#include "kc82.h"
#include "kp69.h"
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
class kl5c80a16_device : public kc82_device
{
public:
enum
{
KP69_IRR = KC82_A3 + 1, KP69_ISR, KP69_IVR, KP69_LER, KP69_PGR, KP69_IMR
};
// device type constructor
kl5c80a16_device(const machine_config &mconfig, const char *tag, device_t *owner, const XTAL &clock);
// callback configuration
auto in_p0_callback() { return m_port_in_callback[0].bind(); }
auto out_p0_callback() { return m_port_out_callback[0].bind(); }
auto in_p1_callback() { return m_port_in_callback[1].bind(); }
auto out_p1_callback() { return m_port_out_callback[1].bind(); }
auto in_p2_callback() { return m_port_in_callback[2].bind(); }
auto out_p2_callback() { return m_port_out_callback[2].bind(); }
auto in_p3_callback() { return m_port_in_callback[3].bind(); }
auto out_p3_callback() { return m_port_out_callback[3].bind(); }
// misc. configuration
void set_p0_3state(u8 value) { m_port_3state[0] = value; }
void set_p1_3state(u8 value) { m_port_3state[1] = value; }
void set_p2_3state(u8 value) { m_port_3state[2] = value; }
void set_p3_3state(u8 value) { m_port_3state[3] = value; }
protected:
// device-level overrides
virtual void device_add_mconfig(machine_config &config) override;
virtual void device_config_complete() override;
virtual void device_resolve_objects() override;
virtual void device_start() override;
virtual void device_reset() override;
// device_execute_interface overrides
virtual u64 execute_clocks_to_cycles(u64 clocks) const noexcept override { return (clocks + 2 - 1) / 2; }
virtual u64 execute_cycles_to_clocks(u64 cycles) const noexcept override { return (cycles * 2); }
private:
// internal I/O handlers
u8 port_r(offs_t offset);
void port_w(offs_t offset, u8 data);
// internal address map
void internal_io(address_map &map);
// subdevice finders
required_device<kp69_device> m_kp69;
// callback objects
devcb_read8::array<4> m_port_in_callback;
devcb_write8::array<4> m_port_out_callback;
// parallel port state
u8 m_port_data[4];
u8 m_port_direction[4];
u8 m_port_3state[4];
};
// device type declaration
DECLARE_DEVICE_TYPE(KL5C80A16, kl5c80a16_device)
#endif // MAME_CPU_Z80_KL5C80A16_H
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