      +------------------------------------------------------------------------
      |
      |      CBM DOS V2.6 Error Messages
      |
      +------------------------------------------------------------------------
      |
      |   Error #00:  OK
      |   Error #01:  FILES SCRATCHED,XX (,TT,SS on error)
      |   Error #20:  READ ERROR (block header not found),TT,SS
      |   Error #21:  READ ERROR (no sync character),TT,SS
      |   Error #22:  READ ERROR (data block not present),TT,SS
      |   Error #23:  READ ERROR (checksum error in data block),TT,SS
      |   Error #24:  READ ERROR (byte decoding error)
      |   Error #25:  WRITE ERROR (write-verify error),TT,SS
      |   Error #26:  WRITE PROTECT ON,TT,SS
      |   Error #27:  READ ERROR (checksum error in header),TT,SS
      |   Error #28:  WRITE ERROR (long data block)
      |   Error #29:  DISK ID MISMATCH,TT,SS
      |   Error #30:  SYNTAX ERROR (general syntax)
      |   Error #31:  SYNTAX ERROR (invalid command)
      |   Error #32:  SYNTAX ERROR (invalid command)
      |   Error #33:  SYNTAX ERROR (invalid file name)
      |   Error #34:  SYNTAX ERROR (no file given)
      |   Error #39:  SYNTAX ERROR (invalid command)
      |   Error #50:  RECORD NOT PRESENT
      |   Error #51:  OVERFLOW IN RECORD
      |   Error #52:  FILE TOO LARGE
      |   Error #60:  WRITE FILE OPEN
      |   Error #61:  FILE NOT OPEN
      |   Error #62:  FILE NOT FOUND
      |   Error #63:  FILE EXISTS
      |   Error #64:  FILE TYPE MISMATCH
      |   Error #65:  NO BLOCK,TT,SS
      |   Error #66:  ILLEGAL TRACK AND SECTOR,TT,SS
      |   Error #67:  ILLEGAL SYSTEM T OR S,TT,SS
      |   Error #70:  NO CHANNEL (available)
      |   Error #71:  DIRECTORY ERROR,TT,SS
      |   Error #72:  DISK FULL
      |   Error #73:  DOS MISMATCH (73, CBM DOS V2.6 1541)
      |   Error #74:  DRIVE NOT READY
      |
      +------------------------------------------------------------------------