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
@default :
@help : %About
@options : +g -i -t4 +y +z
@width : 100
View Ref-FileSCSI DMA ControlLocation(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
'----------------- STTypeROM 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)
▒
0x00FF8700 OB ▒ I/O SCSI DMA Pointer Upper
▒
▒
0x00FF8702 OB ▒ I/O SCSI DMA Pointer Upper-Middle
▒
▒
0x00FF8704 OB ▒ I/O SCSI DMA Pointer Lower-Middle
▒
▒
0x00FF8706 OB ▒ I/O SCSI DMA Pointer Lower
▒
▒
0x00FF8708 OB ▒ I/O Byte Count Upper
▒
▒
0x00FF870A OB ▒ I/O Byte Count Upper-Middle
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0x00FF870C OB ▒ I/O Byte Count Lower-Middle
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0x00FF870E OB ▒ I/O Byte Count Lower
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0x00FF8710 WORD ▒ I/O SCSI DMA Data Residue Register High
▒
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0x00FF8712 WORD ▒ I/O SCSI DMA Data Residue Register Low
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0x00FF8714 OB ▒ I/O SCSI DMA Control Register as follows:
▒