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const
__TEST_UNIT_READY = $00;
__REZERO_UNIT = $01;
__REQUEST_SENSE = $03;
__FORMAT_UNIT = $04;
__READ_BLOCK_LIMITS = $05;
__REASSIGN_BLOCKS = $07;
__READ_6 = $08;
__WRITE_6 = $0a;
__SEEK_6 = $0b;
__READ_REVERSE = $0f;
__WRITE_FILEMARKS = $10;
__SPACE = $11;
__INQUIRY = $12;
__RECOVER_BUFFERED_DATA = $14;
__MODE_SELECT = $15;
__RESERVE = $16;
__RELEASE = $17;
__COPY = $18;
__ERASE = $19;
__MODE_SENSE = $1a;
__START_STOP = $1b;
__RECEIVE_DIAGNOSTIC = $1c;
__SEND_DIAGNOSTIC = $1d;
__ALLOW_MEDIUM_REMOVAL = $1e;
__SET_WINDOW = $24;
__READ_CAPACITY = $25;
__READ_10 = $28;
__WRITE_10 = $2a;
__SEEK_10 = $2b;
__WRITE_VERIFY = $2e;
__VERIFY = $2f;
__SEARCH_HIGH = $30;
__SEARCH_EQUAL = $31;
__SEARCH_LOW = $32;
__SET_LIMITS = $33;
__PRE_FETCH = $34;
__READ_POSITION = $34;
__SYNCHRONIZE_CACHE = $35;
__LOCK_UNLOCK_CACHE = $36;
__READ_DEFECT_DATA = $37;
__MEDIUM_SCAN = $38;
__COMPARE = $39;
__COPY_VERIFY = $3a;
__WRITE_BUFFER = $3b;
__READ_BUFFER = $3c;
__UPDATE_BLOCK = $3d;
__READ_LONG = $3e;
__WRITE_LONG = $3f;
__CHANGE_DEFINITION = $40;
__WRITE_SAME = $41;
__READ_TOC = $43;
__LOG_SELECT = $4c;
__LOG_SENSE = $4d;
__MODE_SELECT_10 = $55;
__RESERVE_10 = $56;
__RELEASE_10 = $57;
__MODE_SENSE_10 = $5a;
__PERSISTENT_RESERVE_IN = $5e;
__PERSISTENT_RESERVE_OUT = $5f;
__MOVE_MEDIUM = $a5;
__READ_12 = $a8;
__WRITE_12 = $aa;
__WRITE_VERIFY_12 = $ae;
__SEARCH_HIGH_12 = $b0;
__SEARCH_EQUAL_12 = $b1;
__SEARCH_LOW_12 = $b2;
__READ_ELEMENT_STATUS = $b8;
__SEND_VOLUME_TAG = $b6;
__WRITE_LONG_2 = $ea;
GOOD = $00;
CHECK_CONDITION = $01;
CONDITION_GOOD = $02;
BUSY = $04;
INTERMEDIATE_GOOD = $08;
INTERMEDIATE_C_GOOD = $0a;
RESERVATION_CONFLICT = $0c;
COMMAND_TERMINATED = $11;
QUEUE_FULL = $14;
STATUS_MASK = $3e;
NO_SENSE = $00;
RECOVERED_ERROR = $01;
NOT_READY = $02;
MEDIUM_ERROR = $03;
HARDWARE_ERROR = $04;
ILLEGAL_REQUEST = $05;
UNIT_ATTENTION = $06;
DATA_PROTECT = $07;
BLANK_CHECK = $08;
COPY_ABORTED = $0a;
ABORTED_COMMAND = $0b;
VOLUME_OVERFLOW = $0d;
MISCOMPARE = $0e;
TYPE_DISK = $00;
TYPE_TAPE = $01;
TYPE_PROCESSOR = $03;
TYPE_WORM = $04;
TYPE_ROM = $05;
TYPE_SCANNER = $06;
TYPE_MOD = $07;
TYPE_MEDIUM_CHANGER = $08;
TYPE_ENCLOSURE = $0d;
TYPE_NO_LUN = $7f;
type
Pccs_modesel_head = ^ccs_modesel_head;
ccs_modesel_head = record
_r1 : byte;
medium : byte;
_r2 : byte;
block_desc_length : byte;
density : byte;
number_blocks_hi : byte;
number_blocks_med : byte;
number_blocks_lo : byte;
_r3 : byte;
block_length_hi : byte;
block_length_med : byte;
block_length_lo : byte;
end;
const
COMMAND_COMPLETE = $00;
EXTENDED_MESSAGE = $01;
EXTENDED_MODIFY_DATA_POINTER = $00;
EXTENDED_SDTR = $01;
EXTENDED_EXTENDED_IDENTIFY = $02;
EXTENDED_WDTR = $03;
SAVE_POINTERS = $02;
RESTORE_POINTERS = $03;
DISCONNECT = $04;
INITIATOR_ERROR = $05;
ABORT = $06;
MESSAGE_REJECT = $07;
NOP = $08;
MSG_PARITY_ERROR = $09;
LINKED_CMD_COMPLETE = $0a;
LINKED_FLG_CMD_COMPLETE = $0b;
BUS_DEVICE_RESET = $0c;
INITIATE_RECOVERY = $0f;
RELEASE_RECOVERY = $10;
SIMPLE_QUEUE_TAG = $20;
HEAD_OF_QUEUE_TAG = $21;
ORDERED_QUEUE_TAG = $22;
SCSI_IOCTL_GET_IDLUN = $5382;
SCSI_IOCTL_TAGGED_ENABLE = $5383;
SCSI_IOCTL_TAGGED_DISABLE = $5384;
SCSI_IOCTL_PROBE_HOST = $5385;
SCSI_IOCTL_GET_BUS_NUMBER = $5386;
{ ---------------------------------------------------------------------
Borland compatibility types
---------------------------------------------------------------------}
// Type
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