  0($00): No error
  1($01): Invalid function number
  2($02): Invalid drive
  3($03): Disk write protected
  4($04): Address failure
  5($05): Data failure
  6($06): General failure
  7($07): Invalid sector
  8($08): Reserved
  9($09): Invalid media type
 10($0a): FAT failure
 11($0b): Path not found
 12($0c): Reserved
 13($0d): Too many open files
 14($0e): Access denied
 15($0f): File already open
 16($10): Invalid file handle
 17($11): Disk full
 18($12): File lost in directory
 19($13): Invalid name
 20($14): Root directory full
 21($15): Directory exists
 22($16): Attempt to remove the current directory
 23($17): Directory not empty
 24($18): Bad LSEEK position
 25($19): Reserved
 26($1a): Not disk file
 27($1b): Too many drivers installed
 28($1c): Not same device
 29($1d): File exists
 30($1e): Printer timeout
 31($1f): Printer general failure
 32($20): Printer out of paper
 33($21): AUX: timeout
 34($22): AUX: parity
 35($23): AUX: overrun
 36($24): AUX: framing

 64($40): Invalid number of parameters
 65($41): Bad command or file name
 66($42): Insufficient memory
 67($43): Failure in .PGM file
 68($44): Language not available
 69($45): Cannot execute .CMD file
 70($46): File cannot be copied onto itself
 71($47): File opening failure
 72($48): File creation failure
 73($49): File not found
 74($4a): Invalid parameter
