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/* Copyright 1997 Ken Siders */
/* dos compatability types */
#define DOS_ATARI 1
#define DOS_MYDOS 2
#define DOS_SPARTADOS 3
#define DOS_LJK 4
#define MAX_ATARI_FILES 64
/* disk format types */
#define FORMAT_SD 1
#define FORMAT_ED 2
#define FORMAT_DD 3
#define FORMAT_SD_CUSTOM 4
#define FORMAT_DD_CUSTOM 5
#define FORMAT_DEFAULT 6
/* open modes */
#define ATARI_OPEN_READ 4
#define ATARI_OPEN_WRITE 8
#define ATARI_OPEN_DIR 6
/* these will be in variables later */
#define firstDirSector 361
#define lastDirSector 368
#define vtocSector 360
#define vtocSector2 0
#define dirEntrySize 16
#define dirEntriesPerSector 8
#define DELETED_FLAG 0x80
#define INUSE_FLAG 0x40
#define LOCKED_FLAG 0x20
#define MYDOSDIR_FLAG 0x10
#define OPENOUTPUT_FLAG 0x01
#define DOS25EXT_FLAGS 0x03
struct S_AtariDosDirEntry
{
char flag;
unsigned short sectorCount;
unsigned short startSector;
char fileName[8];
char extender[3];
};
typedef struct S_AtariDosDirEntry AtariDosDirEntry;
typedef AtariDosDirEntry *AtariDosDirEntryPtr;
/* 20070518 bkw:
Nothing actually uses this struct, and it's got endianness
issues... */
#if 0
struct S_AtariDosLink
{
int fileNo:6;
int nextSector:10;
int shortSector:1;
int bytesInSector:7;
};
typedef struct S_AtariDosLink AtariDosLink;
typedef AtariDosLink *AtariDosLinkPtr;
#endif
struct S_AtariVtoc
{
byte reserved[10];
byte vtoc[118];
};
struct S_AtariFile
{
AtrFilePtr atr;
unsigned short startSector;
unsigned short currentSector;
unsigned short sectorSize;
unsigned short numberOfSectors; /* no. of sectors in file */
unsigned long fileSize ; /* not used yet */
byte openFlag;
byte eofFlag;
short currentOffset;
short bytesData;
short sectorLinkOffset;
short fileNo;
unsigned char sectorBuffer[256];
};
typedef struct S_AtariFile AtariFile;
typedef AtariFile * AtariFilePtr;
struct S_AtariFileInfo
{
unsigned long fileSize; /* not implemented */
unsigned short startSector;
unsigned short sectorCount;
char fileName[13];
int locked;
int attrib; /* internal */
int dirSector; /* internal */
int dirEntry; /* internal */
char *pattern; /* internal */
char *atrName; /* internal */
int dosType;
short fileNo;
int flag; /* from dos */
};
typedef struct S_AtariFileInfo AtariFileInfo;
typedef AtariFileInfo *AtariFileInfoPtr;
/* function prototypes */
void MakeFileName( char *result, char *fileName, char *extender );
int PatternMatch( char *pattern, char *fileName, char *extender);
int AtariFindFirst( char *atrName, unsigned attrib,
char *pattern, AtariFileInfoPtr fileInfo );
int AtariFindNext( AtariFileInfoPtr fileInfo );
AtariFilePtr OpenAtariFile( char *atrName, char *fileName, byte mode);
int AtariDirectory( char *atrName, char *pattern);
long ReadAtariFile( AtariFilePtr atFile, char *buffer, long bytes );
int CloseAtariFile( AtariFilePtr atFile );
int EofAtariFile( AtariFilePtr atFile );
long AtariFileSize( char *atrFile, char *fileName );
int FixAtariFileNo( char *atrName, char *fileName, int fileNo );
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