diff options
Diffstat (limited to 'src/lib/formats/flopimg.h')
-rw-r--r-- | src/lib/formats/flopimg.h | 201 |
1 files changed, 4 insertions, 197 deletions
diff --git a/src/lib/formats/flopimg.h b/src/lib/formats/flopimg.h index 550c9a62fa8..d9f4582985d 100644 --- a/src/lib/formats/flopimg.h +++ b/src/lib/formats/flopimg.h @@ -7,213 +7,20 @@ Floppy disk image abstraction code *********************************************************************/ + #ifndef MAME_FORMATS_FLOPIMG_H #define MAME_FORMATS_FLOPIMG_H #pragma once -#include "coretmpl.h" -#include "opresolv.h" #include "utilfwd.h" -#include "osdcore.h" - #include <memory> #include <vector> -#ifndef LOG_FORMATS -#define LOG_FORMATS if (0) printf -#endif - - -/*************************************************************************** - - Constants - -***************************************************************************/ - -#define FLOPPY_FLAGS_READWRITE 0 -#define FLOPPY_FLAGS_READONLY 1 - -/* sector has a deleted data address mark */ -#define ID_FLAG_DELETED_DATA 0x0001 -/* CRC error in id field */ -#define ID_FLAG_CRC_ERROR_IN_ID_FIELD 0x0002 -/* CRC error in data field */ -#define ID_FLAG_CRC_ERROR_IN_DATA_FIELD 0x0004 - - -/*************************************************************************** - - Type definitions - -***************************************************************************/ - -enum floperr_t -{ - FLOPPY_ERROR_SUCCESS, /* no error */ - FLOPPY_ERROR_INTERNAL, /* fatal internal error */ - FLOPPY_ERROR_UNSUPPORTED, /* this operation is unsupported */ - FLOPPY_ERROR_OUTOFMEMORY, /* ran out of memory */ - FLOPPY_ERROR_SEEKERROR, /* attempted to seek to nonexistent location */ - FLOPPY_ERROR_INVALIDIMAGE, /* this image in invalid */ - FLOPPY_ERROR_READONLY, /* attempt to write to read-only image */ - FLOPPY_ERROR_NOSPACE, - FLOPPY_ERROR_PARAMOUTOFRANGE, - FLOPPY_ERROR_PARAMNOTSPECIFIED -}; - -struct floppy_image_legacy; - -struct FloppyCallbacks -{ - floperr_t (*read_sector)(floppy_image_legacy *floppy, int head, int track, int sector, void *buffer, size_t buflen); - floperr_t (*write_sector)(floppy_image_legacy *floppy, int head, int track, int sector, const void *buffer, size_t buflen, int ddam); - floperr_t (*read_indexed_sector)(floppy_image_legacy *floppy, int head, int track, int sector_index, void *buffer, size_t buflen); - floperr_t (*write_indexed_sector)(floppy_image_legacy *floppy, int head, int track, int sector_index, const void *buffer, size_t buflen, int ddam); - floperr_t (*read_track)(floppy_image_legacy *floppy, int head, int track, uint64_t offset, void *buffer, size_t buflen); - floperr_t (*write_track)(floppy_image_legacy *floppy, int head, int track, uint64_t offset, const void *buffer, size_t buflen); - floperr_t (*format_track)(floppy_image_legacy *floppy, int head, int track, util::option_resolution *params); - floperr_t (*post_format)(floppy_image_legacy *floppy, util::option_resolution *params); - int (*get_heads_per_disk)(floppy_image_legacy *floppy); - int (*get_tracks_per_disk)(floppy_image_legacy *floppy); - int (*get_sectors_per_track)(floppy_image_legacy *floppy, int head, int track); - uint32_t (*get_track_size)(floppy_image_legacy *floppy, int head, int track); - floperr_t (*get_sector_length)(floppy_image_legacy *floppy, int head, int track, int sector, uint32_t *sector_length); - floperr_t (*get_indexed_sector_info)(floppy_image_legacy *floppy, int head, int track, int sector_index, int *cylinder, int *side, int *sector, uint32_t *sector_length, unsigned long *flags); - floperr_t (*get_track_data_offset)(floppy_image_legacy *floppy, int head, int track, uint64_t *offset); -}; - - - -struct FloppyFormat -{ - const char *name; - const char *extensions; - const char *description; - floperr_t (*identify)(floppy_image_legacy *floppy, const struct FloppyFormat *format, int *vote); - floperr_t (*construct)(floppy_image_legacy *floppy, const struct FloppyFormat *format, util::option_resolution *params); - floperr_t (*destruct)(floppy_image_legacy *floppy, const struct FloppyFormat *format); - const char *param_guidelines; -}; - -#define FLOPPY_IDENTIFY(name) floperr_t name(floppy_image_legacy *floppy, const struct FloppyFormat *format, int *vote) -#define FLOPPY_CONSTRUCT(name) floperr_t name(floppy_image_legacy *floppy, const struct FloppyFormat *format, util::option_resolution *params) -#define FLOPPY_DESTRUCT(name) floperr_t name(floppy_image_legacy *floppy, const struct FloppyFormat *format) - -FLOPPY_IDENTIFY(td0_dsk_identify); -FLOPPY_CONSTRUCT(td0_dsk_construct); -FLOPPY_DESTRUCT(td0_dsk_destruct); - -FLOPPY_IDENTIFY(imd_dsk_identify); -FLOPPY_CONSTRUCT(imd_dsk_construct); - -FLOPPY_IDENTIFY(cqm_dsk_identify); -FLOPPY_CONSTRUCT(cqm_dsk_construct); - -FLOPPY_IDENTIFY(dsk_dsk_identify); -FLOPPY_CONSTRUCT(dsk_dsk_construct); - -FLOPPY_IDENTIFY(d88_dsk_identify); -FLOPPY_CONSTRUCT(d88_dsk_construct); - -FLOPPY_IDENTIFY(fdi_dsk_identify); -FLOPPY_CONSTRUCT(fdi_dsk_construct); - -#define LEGACY_FLOPPY_OPTIONS_NAME(name) floppyoptions_##name - -#define LEGACY_FLOPPY_OPTIONS_START(name) \ - const struct FloppyFormat floppyoptions_##name[] = \ - { -#define LEGACY_FLOPPY_OPTIONS_END0 \ - { nullptr } \ - }; - -#define LEGACY_FLOPPY_OPTIONS_EXTERN(name) \ - extern const struct FloppyFormat floppyoptions_##name[] -#define LEGACY_FLOPPY_OPTION(name, extensions_, description_, identify_, construct_, destruct_, ranges_)\ - { #name, extensions_, description_, identify_, construct_, destruct_, ranges_ }, -#define LEGACY_FLOPPY_OPTIONS_END \ - LEGACY_FLOPPY_OPTION( fdi, "fdi", "Formatted Disk Image", fdi_dsk_identify, fdi_dsk_construct, nullptr, nullptr) \ - LEGACY_FLOPPY_OPTION( td0, "td0", "Teledisk floppy disk image", td0_dsk_identify, td0_dsk_construct, td0_dsk_destruct, nullptr) \ - LEGACY_FLOPPY_OPTION( imd, "imd", "IMD floppy disk image", imd_dsk_identify, imd_dsk_construct, nullptr, nullptr) \ - LEGACY_FLOPPY_OPTION( cqm, "cqm,dsk", "CopyQM floppy disk image", cqm_dsk_identify, cqm_dsk_construct, nullptr, nullptr) \ - LEGACY_FLOPPY_OPTION( dsk, "dsk", "DSK floppy disk image", dsk_dsk_identify, dsk_dsk_construct, nullptr, nullptr) \ - LEGACY_FLOPPY_OPTION( d88, "d77,d88,1dd", "D88 Floppy Disk image", d88_dsk_identify, d88_dsk_construct, nullptr, nullptr) \ - LEGACY_FLOPPY_OPTIONS_END0 - -LEGACY_FLOPPY_OPTIONS_EXTERN(default); - -#define PARAM_END '\0' -#define PARAM_HEADS 'H' -#define PARAM_TRACKS 'T' -#define PARAM_SECTORS 'S' -#define PARAM_SECTOR_LENGTH 'L' -#define PARAM_INTERLEAVE 'I' -#define PARAM_FIRST_SECTOR_ID 'F' - -#define HEADS(range) "H" #range -#define TRACKS(range) "T" #range -#define SECTORS(range) "S" #range -#define SECTOR_LENGTH(range) "L" #range -#define INTERLEAVE(range) "I" #range -#define FIRST_SECTOR_ID(range) "F" #range - -/*************************************************************************** - - Prototypes - -***************************************************************************/ - -OPTION_GUIDE_EXTERN(floppy_option_guide); - -/* opening, closing and creating of floppy images */ -floperr_t floppy_open(std::unique_ptr<util::random_read_write> &&io, const std::string &extension, const struct FloppyFormat *format, int flags, floppy_image_legacy **outfloppy); -floperr_t floppy_open_choices(std::unique_ptr<util::random_read_write> &&io, const std::string &extension, const struct FloppyFormat *formats, int flags, floppy_image_legacy **outfloppy); -floperr_t floppy_create(std::unique_ptr<util::random_read_write> &&io, const struct FloppyFormat *format, util::option_resolution *parameters, floppy_image_legacy **outfloppy); -void floppy_close(floppy_image_legacy *floppy); - -/* useful for identifying a floppy image */ -floperr_t floppy_identify(std::unique_ptr<util::random_read_write> &&io, const char *extension, const struct FloppyFormat *formats, int *identified_format); - -/* functions useful within format constructors */ -void *floppy_tag(floppy_image_legacy *floppy); -void *floppy_create_tag(floppy_image_legacy *floppy, size_t tagsize); -struct FloppyCallbacks *floppy_callbacks(floppy_image_legacy *floppy); -uint8_t floppy_get_filler(floppy_image_legacy *floppy); -util::random_read_write &floppy_get_io(floppy_image_legacy *floppy); - -/* calls for accessing disk image data */ -floperr_t floppy_read_sector(floppy_image_legacy *floppy, int head, int track, int sector, int offset, void *buffer, size_t buffer_len); -floperr_t floppy_write_sector(floppy_image_legacy *floppy, int head, int track, int sector, int offset, const void *buffer, size_t buffer_len, int ddam); -floperr_t floppy_read_indexed_sector(floppy_image_legacy *floppy, int head, int track, int sector_index, int offset, void *buffer, size_t buffer_len); -floperr_t floppy_write_indexed_sector(floppy_image_legacy *floppy, int head, int track, int sector_index, int offset, const void *buffer, size_t buffer_len, int ddam); -floperr_t floppy_read_track(floppy_image_legacy *floppy, int head, int track, void *buffer, size_t buffer_len); -floperr_t floppy_write_track(floppy_image_legacy *floppy, int head, int track, const void *buffer, size_t buffer_len); -floperr_t floppy_read_track_data(floppy_image_legacy *floppy, int head, int track, void *buffer, size_t buffer_len); -floperr_t floppy_write_track_data(floppy_image_legacy *floppy, int head, int track, const void *buffer, size_t buffer_len); -floperr_t floppy_format_track(floppy_image_legacy *floppy, int head, int track, util::option_resolution *params); -int floppy_get_tracks_per_disk(floppy_image_legacy *floppy); -int floppy_get_heads_per_disk(floppy_image_legacy *floppy); -uint32_t floppy_get_track_size(floppy_image_legacy *floppy, int head, int track); -floperr_t floppy_get_sector_length(floppy_image_legacy *floppy, int head, int track, int sector, uint32_t *sector_length); -floperr_t floppy_get_indexed_sector_info(floppy_image_legacy *floppy, int head, int track, int sector_index, int *cylinder, int *side, int *sector, uint32_t *sector_length, unsigned long *flags); -floperr_t floppy_get_sector_count(floppy_image_legacy *floppy, int head, int track, int *sector_count); -floperr_t floppy_load_track(floppy_image_legacy *floppy, int head, int track, int dirtify, void **track_data, size_t *track_length); -int floppy_is_read_only(floppy_image_legacy *floppy); -uint8_t floppy_random_byte(floppy_image_legacy *floppy); - -/* accessors for meta information about the image */ -const char *floppy_format_description(floppy_image_legacy *floppy); - -/* calls for accessing the raw disk image */ -void floppy_image_read(floppy_image_legacy *floppy, void *buffer, uint64_t offset, size_t length); -void floppy_image_write(floppy_image_legacy *floppy, const void *buffer, uint64_t offset, size_t length); -void floppy_image_write_filler(floppy_image_legacy *floppy, uint8_t filler, uint64_t offset, size_t length); -uint64_t floppy_image_size(floppy_image_legacy *floppy); - -/* misc */ -const char *floppy_error(floperr_t err); +#include <cassert> +#include <cstddef> +#include <cstdint> ////////////////////////////////////////////////////////// |