diff options
Diffstat (limited to 'src/devices/bus/nubus/nubus_image.h')
-rw-r--r-- | src/devices/bus/nubus/nubus_image.h | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/src/devices/bus/nubus/nubus_image.h b/src/devices/bus/nubus/nubus_image.h new file mode 100644 index 00000000000..cbd68d1ae51 --- /dev/null +++ b/src/devices/bus/nubus/nubus_image.h @@ -0,0 +1,80 @@ +// license:BSD-3-Clause +// copyright-holders:R. Belmont +#pragma once + +#ifndef __NUBUS_IMAGE_H__ +#define __NUBUS_IMAGE_H__ + +#include "emu.h" +#include "nubus.h" +#include "osdcore.h" + +//************************************************************************** +// TYPE DEFINITIONS +//************************************************************************** +class messimg_disk_image_device; + +struct nbfilectx { + UINT32 curcmd; + UINT8 filename[128]; + UINT8 curdir[1024]; + osd_directory *dirp; + osd_file *fd; + UINT64 filelen; + UINT32 bytecount; +}; + +// ======================> nubus_image_device + +class nubus_image_device : + public device_t, + public device_nubus_card_interface +{ +public: + // construction/destruction + nubus_image_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); + nubus_image_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock, const char *shortname, const char *source); + + // optional information overrides + virtual machine_config_constructor device_mconfig_additions() const; + virtual const rom_entry *device_rom_region() const; + +protected: + // device-level overrides + virtual void device_start(); + virtual void device_reset(); + + DECLARE_READ32_MEMBER(image_status_r); + DECLARE_WRITE32_MEMBER(image_status_w); + DECLARE_READ32_MEMBER(image_r); + DECLARE_WRITE32_MEMBER(image_w); + DECLARE_READ32_MEMBER(image_super_r); + DECLARE_WRITE32_MEMBER(image_super_w); + DECLARE_READ32_MEMBER(file_cmd_r); + DECLARE_WRITE32_MEMBER(file_cmd_w); + DECLARE_READ32_MEMBER(file_data_r); + DECLARE_WRITE32_MEMBER(file_data_w); + DECLARE_READ32_MEMBER(file_len_r); + DECLARE_WRITE32_MEMBER(file_len_w); + DECLARE_READ32_MEMBER(file_name_r); + DECLARE_WRITE32_MEMBER(file_name_w); + +public: + messimg_disk_image_device *m_image; + struct nbfilectx filectx; +}; + + +// device type definition +extern const device_type NUBUS_IMAGE; + +enum { + kFileCmdGetDir = 1, + kFileCmdSetDir, + kFileCmdGetFirstListing, + kFileCmdGetNextListing, + kFileCmdGetFile, + kFileCmdPutFile +}; + +#endif /* __NUBUS_IMAGE_H__ */ |