diff options
Diffstat (limited to 'trunk/src/emu/imagedev/cartslot.h')
-rw-r--r-- | trunk/src/emu/imagedev/cartslot.h | 125 |
1 files changed, 125 insertions, 0 deletions
diff --git a/trunk/src/emu/imagedev/cartslot.h b/trunk/src/emu/imagedev/cartslot.h new file mode 100644 index 00000000000..e42287f0f3e --- /dev/null +++ b/trunk/src/emu/imagedev/cartslot.h @@ -0,0 +1,125 @@ +/*************************************************************************** + + Cartrige loading + +***************************************************************************/ + +#ifndef __CARTSLOT_H__ +#define __CARTSLOT_H__ + +#include "image.h" + + +/*************************************************************************** + MACROS +***************************************************************************/ +#define ROM_CART_LOAD(tag,offset,length,flags) \ + { NULL, tag, offset, length, ROMENTRYTYPE_CARTRIDGE | (flags) }, + +#define ROM_MIRROR 0x01000000 +#define ROM_NOMIRROR 0x00000000 +#define ROM_FULLSIZE 0x02000000 +#define ROM_FILL_FF 0x04000000 +#define ROM_NOCLEAR 0x08000000 + +/*************************************************************************** + TYPE DEFINITIONS +***************************************************************************/ + +// ======================> cartslot_image_device + +class cartslot_image_device : public device_t, + public device_image_interface +{ +public: + // construction/destruction + cartslot_image_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); + virtual ~cartslot_image_device(); + + // image-level overrides + virtual bool call_load(); + virtual void call_unload(); + virtual void call_display_info() { if (m_device_displayinfo) m_device_displayinfo(*this); } + virtual bool call_softlist_load(char *swlist, char *swname, rom_entry *start_entry) { load_software_part_region( this, swlist, swname, start_entry ); return TRUE; } + virtual device_image_partialhash_func get_partial_hash() const { return m_device_partialhash; } + + 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 m_must_be_loaded; } + virtual bool is_reset_on_load() const { return 1; } + virtual const char *image_interface() const { return m_interface; } + virtual const char *file_extensions() const { return m_extensions; } + virtual const option_guide *create_option_guide() const { return NULL; } + + void set_extensions(const char *_extensions) { m_extensions = _extensions; } + void set_interface(const char *_interface) { m_interface = _interface; } + void set_must_be_loaded(bool _must_be_loaded) { m_must_be_loaded = _must_be_loaded; } + void set_device_start(device_start_func _start) { m_device_start = _start; } + void set_device_load(device_image_load_func _load) { m_device_load = _load; } + void set_device_unload(device_image_unload_func _unload) { m_device_unload = _unload; } + void set_partialhash(device_image_partialhash_func _partialhash) { m_device_partialhash = _partialhash; } + void set_displayinfo(device_image_display_info_func _displayinfo) { m_device_displayinfo = _displayinfo; } + +protected: + // device-level overrides + virtual void device_config_complete(); + virtual void device_start(); + + int load_cartridge(const rom_entry *romrgn, const rom_entry *roment, bool load); + int process_cartridge(bool load); + + + const char * m_extensions; + const char * m_interface; + bool m_must_be_loaded; + device_start_func m_device_start; + device_image_load_func m_device_load; + device_image_unload_func m_device_unload; + device_image_partialhash_func m_device_partialhash; + device_image_display_info_func m_device_displayinfo; +}; + +// device type definition +extern const device_type CARTSLOT; + +/*************************************************************************** + DEVICE CONFIGURATION MACROS +***************************************************************************/ + +#define MCFG_CARTSLOT_ADD(_tag) \ + MCFG_DEVICE_ADD(_tag, CARTSLOT, 0) \ + +#define MCFG_CARTSLOT_MODIFY(_tag) \ + MCFG_DEVICE_MODIFY(_tag) \ + +#define MCFG_CARTSLOT_EXTENSION_LIST(_extensions) \ + static_cast<cartslot_image_device *>(device)->set_extensions(_extensions); + +#define MCFG_CARTSLOT_INTERFACE(_interface) \ + static_cast<cartslot_image_device *>(device)->set_interface(_interface); + +#define MCFG_CARTSLOT_NOT_MANDATORY \ + static_cast<cartslot_image_device *>(device)->set_must_be_loaded(FALSE); + +#define MCFG_CARTSLOT_MANDATORY \ + static_cast<cartslot_image_device *>(device)->set_must_be_loaded(TRUE); + +#define MCFG_CARTSLOT_START(_start) \ + static_cast<cartslot_image_device *>(device)->set_device_start(DEVICE_START_NAME(_start)); + +#define MCFG_CARTSLOT_LOAD(_load) \ + static_cast<cartslot_image_device *>(device)->set_device_load(DEVICE_IMAGE_LOAD_NAME(_load)); + +#define MCFG_CARTSLOT_UNLOAD(_unload) \ + static_cast<cartslot_image_device *>(device)->set_device_unload(DEVICE_IMAGE_UNLOAD_NAME(_unload)); + +#define MCFG_CARTSLOT_PARTIALHASH(_partialhash) \ + static_cast<cartslot_image_device *>(device)->set_partialhash(_partialhash); + +#define MCFG_CARTSLOT_DISPLAY_INFO(_displayinfo) \ + static_cast<cartslot_image_device *>(device)->set_displayinfo(DEVICE_IMAGE_DISPLAY_INFO_NAME(_displayinfo)); + +#endif /* __CARTSLOT_H__ */ |