dos33fsprogs/utils/dos33fs-utils/dos33.h
Vince Weaver 4cde5ae284 dos33: re-write mkdos33fs catalog creation a bit more robust
in theory can generate images with non-105 catalog entries
should test this thoroughly
2022-09-05 20:47:29 -04:00

93 lines
2.6 KiB
C

/* For now hard-coded */
/* Could be made dynamic if we want to be useful */
/* On dos3.2 disks, or larger filesystems */
#define TRACKS_PER_DISK 0x23
#define SECTORS_PER_TRACK 0x10
#define BYTES_PER_SECTOR 0x100
#define VTOC_TRACK 0x11
#define VTOC_SECTOR 0x00
/* VTOC Values */
#define VTOC_CATALOG_T 0x1
#define VTOC_CATALOG_S 0x2
#define VTOC_DOS_RELEASE 0x3
#define VTOC_DISK_VOLUME 0x6
#define VTOC_MAX_TS_PAIRS 0x27
#define VTOC_LAST_ALLOC_T 0x30
#define VTOC_ALLOC_DIRECT 0x31
#define VTOC_NUM_TRACKS 0x34
#define VTOC_S_PER_TRACK 0x35
#define VTOC_BYTES_PER_SL 0x36
#define VTOC_BYTES_PER_SH 0x37
#define VTOC_FREE_BITMAPS 0x38
/* CATALOG_VALUES */
#define CATALOG_NEXT_T 0x01
#define CATALOG_NEXT_S 0x02
#define CATALOG_FILE_LIST 0x0b
#define CATALOG_ENTRY_SIZE 0x23
/* CATALOG ENTRY */
#define FILE_TS_LIST_T 0x0
#define FILE_TS_LIST_S 0x1
#define FILE_TYPE 0x2
#define FILE_NAME 0x3
#define FILE_SIZE_L 0x21
#define FILE_SIZE_H 0x22
#define FILE_NAME_SIZE 0x1e
/* TSL */
#define TSL_NEXT_TRACK 0x1
#define TSL_NEXT_SECTOR 0x2
#define TSL_OFFSET_L 0x5
#define TSL_OFFSET_H 0x6
#define TSL_LIST 0xC
#define TSL_ENTRY_SIZE 0x2
#define TSL_MAX_NUMBER 122
/* Helper Macros */
#define TS_TO_INT(__x,__y) ((((int)__x)<<8)+__y)
#define DISK_OFFSET(__track,__sector) ((((__track)*SECTORS_PER_TRACK)+(__sector))*BYTES_PER_SECTOR)
#define DOS33_FILE_NORMAL 0
#define DOS33_FILE_DELETED 1
/* Internal Error Returns */
#define ERROR_INVALID_FILENAME 1
#define ERROR_FILE_NOT_FOUND 2
#define ERROR_NO_SPACE 3
#define ERROR_IMAGE_NOT_FOUND 4
#define ERROR_CATALOG_FULL 5
#define ERROR_CANNOT_OPEN 6
#define ERROR_VTOC 7
#define ERROR_CATALOG 8
#define ERROR_FILE_WRITE 9
#define ERROR_INVALID_PARAMATER 10
#define ERROR_FILE_READ 11
/* dos33_vtoc_bitmap.c */
int dos33_vtoc_free_space(unsigned char *vtoc);
void dos33_vtoc_free_sector(unsigned char *vtoc, int track, int sector);
void dos33_vtoc_reserve_sector(unsigned char *vtoc, int track, int sector);
void dos33_vtoc_dump_bitmap(unsigned char *vtoc, int num_tracks);
int dos33_vtoc_find_free_sector(unsigned char *vtoc,
int *found_track, int *found_sector, int is_catalog);
/* dos33_catalog.c */
unsigned char dos33_char_to_type(char type, int lock);
int dos33_catalog(int dos_fd, unsigned char *vtoc);
char *dos33_filename_to_ascii(char *dest,unsigned char *src,int len);
unsigned char dos33_file_type(int value);
/* dos33_dump.c */
int dos33_dump(unsigned char *vtoc, int fd);
int dos33_showfree(unsigned char *vtoc, int fd);
extern int debug;