fs.h

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#ifndef _FS_H
#define _FS_H 1

#define FSMARK     0xDADA

#define BOOTSECTOR 0x0000

#define FSFM_OFF   0x0000  
#define FSDT_OFF   0x0002  
#define FSTZ_OFF   0x000A  
#define FSDN_OFF   0x000E  

#define FSOK        0
#define FSNOSPACE   1
#define FSINVALID   2
#define FSNOTFOUND  3
#define FSNOCHIP    4
#define FSEOF       5

#define FSAPPEND    1
#define FSRW        0
#define FSEXIST     2

#define FSSET       0
#define FSCUR       1
#define FSEND       2

// #define REGISDIR    0x001C
// #define UNITDIR     0x002A
#define REGSPA       1
#define DEFMAXREGIS  (REGSPA+500)
#define UNITSPA      (DEFMAXREGIS)
#define DEFMAXUNIT   (UNITSPA+11)
#define BADPAGE      0xAA
#define REGCRL_OFF   258
#define UNICRL_OFF   261

typedef struct {
WORD   nor;    
WORD   cp;     
WORD   cb;     
} _fsFILE;

typedef _fsFILE*  fsFILE;

typedef struct {
time_t  ttime;
WORD    id;
} REGIS;  // 6b (500p=22K)

typedef struct {
BYTE    state;
WORD    id;
} UNIT; // 3b  (1p=88)

#define U_ENABLE  0x80
#define U_DISABLE 0x00

#define DBREGIS  1
#define DBUNIT   2

BYTE FS_Init( void );
void FS_Format( void );
BYTE FS_Open(BYTE file);
BYTE FS_Close(BYTE file);
BYTE FS_AppendRegis(REGIS *data);
BYTE FS_AppendUnit(UNIT *data);
void FS_ZapRegis(void);
BYTE FS_ReadRegis(REGIS *data);
BYTE FS_WriteUnit(UNIT *data);
BYTE FS_ReadUnit(UNIT *data);
void FS_SetBoot(WORD Offset, BYTE* data, BYTE size);
void FS_GetBoot(WORD Offset, BYTE* data, BYTE size);
void FS_Check( void );
void FS_Length(BYTE file, WORD *p);

void FS_WaitReady(void);

extern bank3 WORD gRcp;
extern bank3 WORD gRnor;
extern bank3 WORD gRcb;
extern bank3 WORD gUcp;
extern bank3 WORD gUnor;
extern bank3 WORD gUcb;


#endif // _FS_H
//********************************************************[ENDL]***************