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// license:BSD-3-Clause
// copyright-holders:David Haywood
/* 68307 */
#pragma once
#ifndef __M68307_H__
#define __M68307_H__
#include "emu.h"
#include "cpu/m68000/m68000.h"
#include "68307sim.h"
#include "68307bus.h"
#include "68307tmu.h"
#include "machine/mc68681.h"
typedef device_delegate<uint8_t (address_space &space, bool dedicated, uint8_t line_mask)> m68307_porta_read_delegate;
typedef device_delegate<void (address_space &space, bool dedicated, uint8_t data, uint8_t line_mask)> m68307_porta_write_delegate;
typedef device_delegate<uint16_t (address_space &space, bool dedicated, uint16_t line_mask)> m68307_portb_read_delegate;
typedef device_delegate<void (address_space &space, bool dedicated, uint16_t data, uint16_t line_mask)> m68307_portb_write_delegate;
/* trampolines so we can specify the 68681 serial configuration when adding the CPU */
#define MCFG_MC68307_SERIAL_A_TX_CALLBACK(_cb) \
devcb = &m68307cpu_device::set_a_tx_cb(*device, DEVCB_##_cb);
#define MCFG_MC68307_SERIAL_B_TX_CALLBACK(_cb) \
devcb = &m68307cpu_device::set_b_tx_cb(*device, DEVCB_##_cb);
// deprecated: use ipX_w() instead
#define MCFG_MC68307_SERIAL_INPORT_CALLBACK(_cb) \
devcb = &m68307cpu_device::set_inport_cb(*device, DEVCB_##_cb);
#define MCFG_MC68307_SERIAL_OUTPORT_CALLBACK(_cb) \
devcb = &m68307cpu_device::set_outport_cb(*device, DEVCB_##_cb);
class m68307cpu_device : public m68000_device {
public:
m68307cpu_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
/* trampolines so we can specify the 68681 serial configuration when adding the CPU */
template<class _Object> static devcb_base &set_irq_cb(device_t &device, _Object object) { return downcast<m68307cpu_device &>(device).write_irq.set_callback(object); }
template<class _Object> static devcb_base &set_a_tx_cb(device_t &device, _Object object) { return downcast<m68307cpu_device &>(device).write_a_tx.set_callback(object); }
template<class _Object> static devcb_base &set_b_tx_cb(device_t &device, _Object object) { return downcast<m68307cpu_device &>(device).write_b_tx.set_callback(object); }
template<class _Object> static devcb_base &set_inport_cb(device_t &device, _Object object) { return downcast<m68307cpu_device &>(device).read_inport.set_callback(object); }
template<class _Object> static devcb_base &set_outport_cb(device_t &device, _Object object) { return downcast<m68307cpu_device &>(device).write_outport.set_callback(object); }
DECLARE_WRITE_LINE_MEMBER(m68307_duart_irq_handler);
DECLARE_WRITE_LINE_MEMBER(m68307_duart_txa){ write_a_tx(state); }
DECLARE_WRITE_LINE_MEMBER(m68307_duart_txb){ write_b_tx(state); }
DECLARE_READ8_MEMBER(m68307_duart_input_r){ return read_inport(); }
DECLARE_WRITE8_MEMBER(m68307_duart_output_w){ write_outport(data); }
devcb_write_line write_irq, write_a_tx, write_b_tx;
devcb_read8 read_inport;
devcb_write8 write_outport;
uint16_t simple_read_immediate_16_m68307(offs_t address);
uint8_t read_byte_m68307(offs_t address);
uint16_t read_word_m68307(offs_t address);
uint32_t read_dword_m68307(offs_t address);
void write_byte_m68307(offs_t address, uint8_t data);
void write_word_m68307(offs_t address, uint16_t data);
void write_dword_m68307(offs_t address, uint32_t data);
/* 68307 peripheral modules */
m68307_sim* m68307SIM;
m68307_mbus* m68307MBUS;
// m68307_serial* m68307SERIAL;
m68307_timer* m68307TIMER;
uint16_t m68307_base;
uint16_t m68307_scrhigh;
uint16_t m68307_scrlow;
int m68307_currentcs;
DECLARE_READ16_MEMBER( m68307_internal_base_r );
DECLARE_WRITE16_MEMBER( m68307_internal_base_w );
DECLARE_READ16_MEMBER( m68307_internal_timer_r );
DECLARE_WRITE16_MEMBER( m68307_internal_timer_w );
DECLARE_READ16_MEMBER( m68307_internal_sim_r );
DECLARE_WRITE16_MEMBER( m68307_internal_sim_w );
DECLARE_READ8_MEMBER( m68307_internal_serial_r );
DECLARE_WRITE8_MEMBER( m68307_internal_serial_w );
DECLARE_READ8_MEMBER( m68307_internal_mbus_r );
DECLARE_WRITE8_MEMBER( m68307_internal_mbus_w );
/* callbacks for internal ports */
void set_port_callbacks(m68307_porta_read_delegate porta_r, m68307_porta_write_delegate porta_w, m68307_portb_read_delegate portb_r, m68307_portb_write_delegate portb_w);
void set_interrupt(int level, int vector);
uint16_t get_cs(offs_t address);
void timer0_interrupt();
void timer1_interrupt();
void serial_interrupt(int vector);
void mbus_interrupt();
void licr2_interrupt();
m68307_porta_read_delegate m_m68307_porta_r;
m68307_porta_write_delegate m_m68307_porta_w;
m68307_portb_read_delegate m_m68307_portb_r;
m68307_portb_write_delegate m_m68307_portb_w;
void init16_m68307(address_space &space);
virtual uint32_t disasm_min_opcode_bytes() const override { return 2; };
virtual uint32_t disasm_max_opcode_bytes() const override { return 10; };
virtual uint32_t execute_min_cycles() const override { return 4; };
virtual uint32_t execute_max_cycles() const override { return 158; };
required_device<mc68681_device> m_duart;
protected:
virtual machine_config_constructor device_mconfig_additions() const override;
virtual void device_start() override;
virtual void device_reset() override;
};
static const device_type M68307 = &device_creator<m68307cpu_device>;
#endif
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