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Atari 400 Hardware Manual

Atari 400
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ATARI
800
CHEC~ERS
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PAGE
; DISPLAV
LIST
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BLANKS
;
24
BLANK
LINES
BLANKS
BLANKS
RELOAD+6 ; LINES
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20
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X 5
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--
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AND
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FOR
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LOA
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STA
CHBASE
; INSTRUCTION FETCH
DMA
ENABLE,
P/M 2
LINE
RES, P/M
DI1A
ENABLE,
NAPROW
SCREEN
<128
CLOCKS>
LOA
tl$20
STA
DI·1ACTL
PLA
RTI

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Atari 400 Specifications

General IconGeneral
ManufacturerAtari
Model400
TypeHome Computer
Release Year1979
CPUMOS Technology 6502
CPU Speed1.79 MHz
ROM10 KB
Operating SystemAtari OS
KeyboardMembrane keyboard
RAM8 KB (expandable to 48 KB)
GraphicsANTIC and GTIA chips
Sound4 channels
DisplayRF output for connection to TV
StorageOptional cassette tape drive or floppy disk drive
PortsCartridge
Display Resolution320x192 (16 colors)

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