Int 78 Fn 13  - Targa.dev - Send Scsi Command, Receive Data (dma)          [d]

   AH = 13h
   DS:SI -> command bytes (see #3478)
   ES:BX -> data storage area
   DX:CX = number of data bytes to transfer

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

Note:  this command receives data using DMA

See Also: AH=11h,AH=12h

Format of TARGA.DEV SCSI Command:
Offset Size    Description (Table 3478)
 00h   BYTE    length of command
 01h   ??? command bytes