// license:BSD-3-Clause // copyright-holders:Curt Coder /********************************************************************** Coleco Adam Expansion Port emulation Copyright MESS Team. Visit http://mamedev.org for licensing and usage restrictions. **********************************************************************/ #pragma once #ifndef __ADAM_EXPANSION_SLOT__ #define __ADAM_EXPANSION_SLOT__ #include "emu.h" //************************************************************************** // CONSTANTS //************************************************************************** #define ADAM_LEFT_EXPANSION_SLOT_TAG "slot1" #define ADAM_CENTER_EXPANSION_SLOT_TAG "slot2" #define ADAM_RIGHT_EXPANSION_SLOT_TAG "slot3" //************************************************************************** // INTERFACE CONFIGURATION MACROS //************************************************************************** #define MCFG_ADAM_EXPANSION_SLOT_ADD(_tag, _clock, _slot_intf, _def_slot) \ MCFG_DEVICE_ADD(_tag, ADAM_EXPANSION_SLOT, _clock) \ MCFG_DEVICE_SLOT_INTERFACE(_slot_intf, _def_slot, false) #define MCFG_ADAM_EXPANSION_SLOT_IRQ_CALLBACK(_write) \ devcb = &adam_expansion_slot_device::set_irq_wr_callback(*device, DEVCB2_##_write); //************************************************************************** // TYPE DEFINITIONS //************************************************************************** // ======================> adam_expansion_slot_device class device_adam_expansion_slot_card_interface; class adam_expansion_slot_device : public device_t, public device_slot_interface, public device_image_interface { public: // construction/destruction adam_expansion_slot_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); virtual ~adam_expansion_slot_device() { } template static devcb2_base &set_irq_wr_callback(device_t &device, _Object object) { return downcast(device).m_write_irq.set_callback(object); } // computer interface UINT8 bd_r(address_space &space, offs_t offset, UINT8 data, int bmreq, int biorq, int aux_rom_cs, int cas1, int cas2); void bd_w(address_space &space, offs_t offset, UINT8 data, int bmreq, int biorq, int aux_rom_cs, int cas1, int cas2); // cartridge interface DECLARE_WRITE_LINE_MEMBER( irq_w ) { m_write_irq(state); } protected: // device-level overrides virtual void device_config_complete() { update_names(); } virtual void device_start(); virtual void device_reset(); // image-level overrides virtual bool call_load(); virtual bool call_softlist_load(software_list_device &swlist, const char *swname, const rom_entry *start_entry); virtual iodevice_t image_type() const { return IO_CARTSLOT; } virtual bool is_readable() const { return 1; } virtual bool is_writeable() const { return 0; } virtual bool is_creatable() const { return 0; } virtual bool must_be_loaded() const { return 0; } virtual bool is_reset_on_load() const { return 1; } virtual const char *image_interface() const { return "adam_rom"; } virtual const char *file_extensions() const { return "bin,rom"; } virtual const option_guide *create_option_guide() const { return NULL; } // slot interface overrides virtual void get_default_card_software(astring &result); devcb2_write_line m_write_irq; device_adam_expansion_slot_card_interface *m_card; }; // ======================> device_adam_expansion_slot_card_interface class device_adam_expansion_slot_card_interface : public device_slot_card_interface { friend class adam_expansion_slot_device; public: // construction/destruction device_adam_expansion_slot_card_interface(const machine_config &mconfig, device_t &device); virtual ~device_adam_expansion_slot_card_interface() { } protected: // runtime virtual UINT8 adam_bd_r(address_space &space, offs_t offset, UINT8 data, int bmreq, int biorq, int aux_rom_cs, int cas1, int cas2) { return data; } virtual void adam_bd_w(address_space &space, offs_t offset, UINT8 data, int bmreq, int biorq, int aux_rom_cs, int cas1, int cas2) { } adam_expansion_slot_device *m_slot; optional_shared_ptr m_rom; }; // device type definition extern const device_type ADAM_EXPANSION_SLOT; SLOT_INTERFACE_EXTERN( adam_slot1_devices ); SLOT_INTERFACE_EXTERN( adam_slot2_devices ); SLOT_INTERFACE_EXTERN( adam_slot3_devices ); #endif