Int 78 Fn 11  - Targa.dev - Send Scsi Command, Receive Data (programmed I  [d]

   AH = 11h
   DS:SI -> command bytes (see #3476)
   ES:BX -> data storage area
   CX = number of data bytes to transfer

Return: AH = SCSI status byte
   CF clear if successful
       AL = SCSI message byte
   CF set on error
       AL = error code (see #3457)

Note:  this command receives data internally one byte at a time

See Also: AH=10h,AH=13h

Format of TARGA.DEV SCSI Command:
Offset Size    Description (Table 3476)
 00h   BYTE    length of command
 01h   ??? command bytes