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-FileBLiTTER Bit-Block Transfer ProcessorLocation(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)
▒▒▒ ▒
0x00FF8A00 - WORD ▒▒▒ ▒ I/O BLiTTER Halftone RAM
0x00FF8A1E ▒▒▒ ▒
▒▒▒ ▒
▒▒▒ ▒
0x00FF8A20 WORD ▒▒▒ ▒ I/O BLiTTER Source X Increment
▒▒▒ ▒
▒▒▒ ▒
0x00FF8A22 WORD ▒▒▒ ▒ I/O BLiTTER Source Y Increment
▒▒▒ ▒
▒▒▒ ▒
0x00FF8A24 WORD ▒▒▒ ▒ I/O BLiTTER Source Address (bits 7-0 are bits
▒▒▒ ▒ 23-16 of address)
▒▒▒ ▒
▒▒▒ ▒
0x00FF8A26 WORD ▒▒▒ ▒ I/O BLiTTER Source Address (bits 15-1 are bits
▒▒▒ ▒ 15-1 of address, bit 0 must be 0)
▒▒▒ ▒
▒▒▒ ▒
0x00FF8A28 WORD ▒▒▒ ▒ I/O BLiTTER Endmask 1
▒▒▒ ▒
▒▒▒ ▒
0x00FF8A2A WORD ▒▒▒ ▒ I/O BLiTTER Endmask 2
▒▒▒ ▒
▒▒▒ ▒
0x00FF8A2C WORD ▒▒▒ ▒ I/O BLiTTER Endmask 3
▒▒▒ ▒
▒▒▒ ▒
0x00FF8A2E WORD ▒▒▒ ▒ I/O BLiTTER Destination X Increment
▒▒▒ ▒
▒▒▒ ▒
0x00FF8A30 WORD ▒▒▒ ▒ I/O BLiTTER Destination Y Increment
▒▒▒ ▒
▒▒▒ ▒
0x00FF8A32 WORD ▒▒▒ ▒ I/O BLiTTER Destination (bits 7-0 are bits
▒▒▒ ▒ 23-16 of address)
▒▒▒ ▒
▒▒▒ ▒
0x00FF8A34 WORD ▒▒▒ ▒ I/O BLiTTER Destination (bits 15-1 are bits
▒▒▒ ▒ 15-1 of address, bit 0 must be 0)
▒▒▒ ▒
▒▒▒ ▒
0x00FF8A36 WORD ▒▒▒ ▒ I/O BLiTTER X Count
▒▒▒ ▒
▒▒▒ ▒
0x00FF8A38 WORD ▒▒▒ ▒ I/O BLiTTER Y Count
▒▒▒ ▒
▒▒▒ ▒
0x00FF8A3A BYTE ▒▒▒ ▒ I/O BLiTTER HOP
▒▒▒ ▒
▒▒▒ ▒
0x00FF8A3B BYTE ▒▒▒ ▒ I/O BLiTTER OP
▒▒▒ ▒
▒▒▒ ▒
0x00FF8A3C BYTE ▒▒▒ ▒ I/O BLiTTER Configuration as follows:
▒▒▒ ▒