X-Hacker.org- Ralf Brown's Interrupt List (Part 1,2) - int 78 - targa.dev - send scsi command, receive data (programmed i/o)

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INT 78 - TARGA.DEV - SEND SCSI COMMAND, RECEIVE DATA (PROGRAMMED I/O)
        AH = 11h
        DS:SI -> command bytes
        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 AH=00h)
Note:   this command receives data internally one byte at a time
SeeAlso: AH=10h,AH=13h

Format of SCSI Command:
Offset  Size    Description
 00h    BYTE    length of command
 01h    ???     command bytes

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