#ifndef __ata_header__
#define __ata_header__

void ATA_init();
void ATAPI_prep_sector(DWRD sector);
void ATAPI_prep_sector1();
BOOL ATAPI_prep_sector2(DWRD sector);
void xfer_data(BYTE *buf, WORD words);
void ATAPI_wait_for_sect();
BOOL ATAPI_sect_ready();

bit CDerror = FALSE;

#define NO_RESET 0

//command registers
#define ATA_CMD_REG 16+NO_RESET
#define ATA_DATA   ATA_CMD_REG+0
#define ATA_ERROR  ATA_CMD_REG+1
#define ATA_FEAT   ATA_CMD_REG+1
#define ATA_INTRE  ATA_CMD_REG+2
#define ATA_BCNTL  ATA_CMD_REG+4
#define ATA_BCNTH  ATA_CMD_REG+5
#define ATA_DRVSEL ATA_CMD_REG+6
#define ATA_STATUS ATA_CMD_REG+7
#define ATA_CMD    ATA_CMD_REG+7

//control registers
#define ATA_CRL_REG 8+NO_RESET
#define ATA_ASTAT  ATA_CRL_REG+6
#define ATA_DEVCRL ATA_CRL_REG+6

#define ATAPI_DELAY 1

#define DISABLE_XRAM MCUCR &= 0x7F;
#define ENABLE_XRAM MCUCR |= 0x80;

#define DIOW(a) PORTB.7 = a
#define DIOR(a) PORTB.6 = a

#endif