Int 78/AH=12h

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

See Also: AH=14h

Format of TARGA.DEV SCSI Command: Offset Size Description (Table 03806) 00h BYTE length of command 01h ??? command bytes

Category: Disk I/O Enhancements - Int 78h - T

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