Avago Technologies LSI53C896 - Manual (Page 248)

5-20 SCSI SCRIPTS Instruction Set
Version 3.3 Copyright © 1998–2003 by LSI Logic Corporation. All rights reserved.
SCSI Transfer (SXFER) register. The configuration
bits are ordered as in the
SCSI Control Three (SCNTL3) register.
Use this bit only in conjunction with the Select, Reselect,
Wait Select, and Wait Reselect instructions. It is allowable
to set bits 25 and 26 individually or in combination:
Direct
Uses the device ID and physical address in the
instruction.
Table Indirect
Uses the physical jump address, but fetches data using
the table indirect method.
Relative
Uses the device ID in the instruction, but treats the
alternate address as a relative jump.
Config ID Offset/period 00
Bit 25 Bit 26
Direct 0 0
Table Indirect 0 1
Relative 1 0
Table Relative 1 1
Command ID Not Used Not Used
Absolute Alternate Address
Command Table Offset
Absolute Alternate Address
Command ID Not Used Not Used
Absolute Jump Offset