Topic       : The ATARI Compendium
Author      : Scott Sanders / JAY Software
Version     : 1.25 (20/6/2003)
Subject     : Documentation
Nodes       : 1117
Index Size  : 32614
HCP-Version : 6
Compiled on : Atari
@charset    : UTF-8
@lang       : en
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@help       : %About
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                          SCSI Controller Registers


Location(s)   SizeBYTE   Occupies one byte (8 bits).
WORD   Occupies one WORD (16 bits).
LONG   Occupies one longword (32 bits).
OW     Occupies the odd WORD of a LONG.
EW     Occupies the even WORD of a LONG.
OB     Occupies the odd BYTE of a WORD.
EB     Occupies the even BYTE of the WORD.
  MchnIf the box is shaded then address is available
for this computer.

        ▒ ▒ ▒ ▒ ▒ ▒
        | | | | | '------- Falcon030
        | | | | '--------- TT030
        | | | '----------- MEGA STe
        | | '------------- STe
        | '--------------- MEGA ST
        '----------------- ST
  TypeROM          Location is Read-Only Memory
RAM          Location is Read-Write Memory
I/O          Location is hardware-mapped
VME          Location addresses VME address space
N/A          Not applicable
RO           Read-only location
WO           Write-only location
RW           Read-write location
RSVD         Reserved
Unassigned   Either not assigned or undocumented
  Meaning                         (see Usage)

                       ▒
0x00FF8780    OB       ▒  I/O   SCSI Controller Data Register
                       ▒
                       ▒
0x00FF8782    OB       ▒  I/O   SCSI Controller Initiator Command Register
                       ▒
                       ▒
0x00FF8784    OB       ▒  I/O   SCSI Controller Mode Register
                       ▒
                       ▒
0x00FF8786    OB       ▒  I/O   SCSI Controller Target Command Register
                       ▒
                       ▒
0x00FF8788    OB       ▒  I/O   SCSI Controller ID Select/Control Register
                       ▒
                       ▒
0x00FF878A    OB       ▒  I/O   SCSI Controller DMA Start/DMA Status
                       ▒
                       ▒
0x00FF878C    OB       ▒  I/O   SCSI Controller DMA Target Receive/Input
                       ▒        Data
                       ▒
                       ▒
0x00FF878E    OB       ▒  I/O   SCSI Controller DMA Initiator
                       ▒        Receive/Reset
                       ▒
                   ▒▒▒▒▒▒
0x00FF8790 -  N/A  ▒▒▒▒▒▒ I/O   Unassigned
0x00FF879F         ▒▒▒▒▒▒
                   ▒▒▒▒▒▒