/* encode.h
   Written by, Sohail Qayum Malik<sohail@stupidcomputing.com> */

 #include <stdio.h>
#include <fcntl.h>
#include <io.h>

#define SECTOR_SIZE     0x0200

#define DRIVE_FD      0x0000
#define TRACK         0x0000
#define SECTOR_ONE    0x0001
#define HEAD_ZERO     0x0000
#define HEAD_ONE      0x0001
#define SECTORS       0x0001

#define SYMBOLA       0x55
#define SYMBOLAINDEX  0x01FE
#define SYMBOLB       0xAA
#define SYMBOLBINDEX  0x01FF

#define SECA          100
#define SECB          101
#define SECC          102

#define COUNT         223 
#define A1            224 
#define A2            225
#define A3            226
#define LAST_BYTE     227               



/* 0 to 9 */
#define LIMIT_ONE       0x30
#define LIMIT_TWO       0x39
/* A to F */
#define LIMIT_THREE     0x41
#define LIMIT_FOUR      0x46
/* a to f */
#define LIMIT_FIVE      0x61
#define LIMIT_SIX       0x66

#define NOP             0x90


#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

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

static void removeNonCodeLikeElements(void);
static void convertShortToByte(void);
static unsigned char convertor(unsigned char);

static unsigned char sectorBuffer[SECTOR_SIZE * TWO];
static short int numberOfBytesReadBootBlock = ZERO;
static short int numberOfBytesReadBoot = ZERO;