//mbr.h
//written by, Soni

#include <stdio.h>
#include <stdlib.h>
#include <fcntl.h>
#include <io.h>
#include <sys\stat.h>

#define LESS_THAN_ZERO  0xFFFF
#define ZERO            0x0000
#define ONE             0x0001
#define TWO             0x0002
#define THREE           0x0003
#define FOUR            0x0004
#define FIVE            0x0005
#define SIX             0x0006
#define SEVEN           0x0007
#define EIGHT           0x0008
#define NINE            0x0009
#define TEN             0x000A
#define ELEVEN          0x000B
#define TWELVE          0x000C
#define THERTEEN        0x000D
#define FOURTEEN        0x000E
#define FIFTEEN         0x000F
#define SIXTEEN         0x0010

#define SIZE          0x0200
#define DRIVE_HD      0x8000
#define DRIVE_FD      0x0000
#define CYLINDER      0x0000
#define TRACK         0x0000
#define SECTOR_ONE    0x0001
#define SECTOR_TWO    0x0002
#define HEAD          0x0000
#define HEAD_ONE      0x0001  
#define SECTORS       0x0001
#define SYMBOLA       0x55
#define SYMBOLAINDEX  0x01FE
#define SYMBOLB       0xAA
#define SYMBOLBINDEX  0x01FF

#define INDEX(n)      (0x0b + n)


//near *, DRIVE+HEAD, CYLINDER+SECTOR, SECTORS TO READ OR WRITE. 
extern unsigned int near readSector(void near *, unsigned int, unsigned int, unsigned int);
extern unsigned int near writeSector(void near *, unsigned int, unsigned int, unsigned int);