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CUSTOM SCSI PACKETS
2-12
2
the firmware status
($64) and sent to
initiator.
If you determine to
use bit 1-4, such as
data
parity error, the
firmware non-zero
status on
bit 1-4 has higher
priority. You should
load
this byte with the
appropriate status
and set
up the SCSI script for
status phase before
the
target sequence
packet is sent.
$15 xxxxxxxx Initiator SCSI address
in TARGET mode (0
to 7)
(only used in
TARGET mode)
$16 xxxxxxxx xxxxxxxx Data length (MSW) --
number of bytes
expected during data-
in or data-out phase
$18 xxxxxxxx xxxxxxxx Data length (LSW)
$1A xxxxxxxx xxxxxxxx Data pointer (MSW) -
- to memory area
where firmware reads
(data out) or writes
(data-in) (contiguous
buffer)
$1C xxxxxxxx xxxxxxxx Data pointer (LSW)