// license:BSD-3-Clause // copyright-holders:Curt Coder /********************************************************************** Commodore SuperPET emulation Copyright MESS Team. Visit http://mamedev.org for licensing and usage restrictions. **********************************************************************/ #pragma once #ifndef __SUPERPET__ #define __SUPERPET__ #include "emu.h" #include "exp.h" #include "cpu/m6809/m6809.h" #include "machine/mos6551.h" #include "machine/mos6702.h" #include "machine/serial.h" //************************************************************************** // TYPE DEFINITIONS //************************************************************************** // ======================> superpet_device class superpet_device : public device_t, public device_pet_expansion_card_interface { public: // construction/destruction superpet_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); // optional information overrides virtual const rom_entry *device_rom_region() const; virtual machine_config_constructor device_mconfig_additions() const; virtual ioport_constructor device_input_ports() const; DECLARE_READ8_MEMBER( read ); DECLARE_WRITE8_MEMBER( write ); DECLARE_WRITE_LINE_MEMBER( acia_irq_w ); protected: // device-level overrides virtual void device_start(); virtual void device_reset(); // device_pet_expansion_card_interface overrides virtual int pet_norom_r(address_space &space, offs_t offset, int sel); virtual UINT8 pet_bd_r(address_space &space, offs_t offset, UINT8 data, int &sel); virtual void pet_bd_w(address_space &space, offs_t offset, UINT8 data, int &sel); virtual int pet_diag_r(); virtual void pet_irq_w(int state); private: required_device m_maincpu; required_device m_acia; required_device m_dongle; required_memory_region m_rom; optional_shared_ptr m_ram; required_ioport m_io_sw1; required_ioport m_io_sw2; inline void update_cpu(); inline bool is_ram_writable(); UINT8 m_system; UINT8 m_bank; UINT8 m_sw1; UINT8 m_sw2; int m_sel9_rom; int m_pet_irq; int m_acia_irq; }; // device type definition extern const device_type SUPERPET; #endif