Category: disk I/O enhancements

INT 78 - TARGA.DEV - SEND SCSI COMMAND AND DATA (PROGRAMMED I/O)

	AH = 12h
	DS:SI -> command bytes (see #03806)
	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 #03786)
Note:	this command sends data internally one byte at a time
SeeAlso: AH=14h