// 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 m68307_porta_read_delegate; typedef device_delegate m68307_porta_write_delegate; typedef device_delegate m68307_portb_read_delegate; typedef device_delegate 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 clock); /* trampolines so we can specify the 68681 serial configuration when adding the CPU */ template static devcb_base &set_irq_cb(device_t &device, _Object object) { return downcast(device).write_irq.set_callback(object); } template static devcb_base &set_a_tx_cb(device_t &device, _Object object) { return downcast(device).write_a_tx.set_callback(object); } template static devcb_base &set_b_tx_cb(device_t &device, _Object object) { return downcast(device).write_b_tx.set_callback(object); } template static devcb_base &set_inport_cb(device_t &device, _Object object) { return downcast(device).read_inport.set_callback(object); } template static devcb_base &set_outport_cb(device_t &device, _Object object) { return downcast(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 simple_read_immediate_16_m68307(offs_t address); UINT8 read_byte_m68307(offs_t address); UINT16 read_word_m68307(offs_t address); UINT32 read_dword_m68307(offs_t address); void write_byte_m68307(offs_t address, UINT8 data); void write_word_m68307(offs_t address, UINT16 data); void write_dword_m68307(offs_t address, UINT32 data); /* 68307 peripheral modules */ m68307_sim* m68307SIM; m68307_mbus* m68307MBUS; // m68307_serial* m68307SERIAL; m68307_timer* m68307TIMER; UINT16 m68307_base; UINT16 m68307_scrhigh; UINT16 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 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 disasm_min_opcode_bytes() const override { return 2; }; virtual UINT32 disasm_max_opcode_bytes() const override { return 10; }; virtual UINT32 execute_min_cycles() const override { return 4; }; virtual UINT32 execute_max_cycles() const override { return 158; }; required_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; #endif