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Diffstat (limited to 'src/emu/bus/cbm2/exp.h')
-rw-r--r-- | src/emu/bus/cbm2/exp.h | 136 |
1 files changed, 0 insertions, 136 deletions
diff --git a/src/emu/bus/cbm2/exp.h b/src/emu/bus/cbm2/exp.h deleted file mode 100644 index 338e4ad1cda..00000000000 --- a/src/emu/bus/cbm2/exp.h +++ /dev/null @@ -1,136 +0,0 @@ -// license:BSD-3-Clause -// copyright-holders:Curt Coder -/********************************************************************** - - Commodore CBM-II Expansion Port emulation - -********************************************************************** - - A0 1 A BD0 - A1 2 B BD1 - A2 3 C BD2 - A3 4 D BD3 - A4 5 E BD4 - A5 6 F BD5 - A6 7 H BD6 - A7 8 J BD7 - A8 9 K GND - A9 10 L GND - A10 11 M SR/_W - A11 12 N Sphi2 - A12 13 P _CSBANK1 - +5V 14 R _CSBANK2 - +5V 15 S _CSBANK2 - -**********************************************************************/ - -#pragma once - -#ifndef __CBM2_EXPANSION_SLOT__ -#define __CBM2_EXPANSION_SLOT__ - -#include "emu.h" - - - -//************************************************************************** -// CONSTANTS -//************************************************************************** - -#define CBM2_EXPANSION_SLOT_TAG "exp" - - - -//************************************************************************** -// INTERFACE CONFIGURATION MACROS -//************************************************************************** - -#define MCFG_CBM2_EXPANSION_SLOT_ADD(_tag, _clock, _slot_intf, _def_slot) \ - MCFG_DEVICE_ADD(_tag, CBM2_EXPANSION_SLOT, _clock) \ - MCFG_DEVICE_SLOT_INTERFACE(_slot_intf, _def_slot, false) - - - -//************************************************************************** -// TYPE DEFINITIONS -//************************************************************************** - -// ======================> cbm2_expansion_slot_device - -class device_cbm2_expansion_card_interface; - -class cbm2_expansion_slot_device : public device_t, - public device_slot_interface, - public device_image_interface -{ -public: - // construction/destruction - cbm2_expansion_slot_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); - - // computer interface - UINT8 read(address_space &space, offs_t offset, UINT8 data, int csbank1, int csbank2, int csbank3); - void write(address_space &space, offs_t offset, UINT8 data, int csbank1, int csbank2, int csbank3); - - // cartridge interface - int phi2() { return clock(); } - -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 "cbm2_cart"; } - virtual const char *file_extensions() const { return "20,40,60"; } - virtual const option_guide *create_option_guide() const { return NULL; } - - // slot interface overrides - virtual void get_default_card_software(std::string &result); - - device_cbm2_expansion_card_interface *m_card; -}; - - -// ======================> device_cbm2_expansion_card_interface - -class device_cbm2_expansion_card_interface : public device_slot_card_interface -{ - friend class cbm2_expansion_slot_device; - -public: - // construction/destruction - device_cbm2_expansion_card_interface(const machine_config &mconfig, device_t &device); - virtual ~device_cbm2_expansion_card_interface(); - - virtual UINT8 cbm2_bd_r(address_space &space, offs_t offset, UINT8 data, int csbank1, int csbank2, int csbank3) { return data; }; - virtual void cbm2_bd_w(address_space &space, offs_t offset, UINT8 data, int csbank1, int csbank2, int csbank3) { }; - -protected: - optional_shared_ptr<UINT8> m_bank1; - optional_shared_ptr<UINT8> m_bank2; - optional_shared_ptr<UINT8> m_bank3; - - cbm2_expansion_slot_device *m_slot; -}; - - -// device type definition -extern const device_type CBM2_EXPANSION_SLOT; - - -SLOT_INTERFACE_EXTERN( cbm2_expansion_cards ); - - - -#endif |