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Atari XL User Manual

Atari XL
262 pages
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Advanced
Graphics
169
520
IF
ASC(A$(Z,Z»<>O
THEN
A$(Z,Z)=CHR$(ASC(A$(Z,Z»-32)
530
NEXT
Z
549
REM
POKE
INTO DISPLAY
MEMORY
550
FOR
Z=l
TO LEN(A$)
560
POKE
DM+MEM+(Z-l),ASC(A$(Z,Z»
570
NEXT
Z
580
RETURN
The
program
will
create
a
display
comprising:
2
lines
of
mode
2
text
+
1
line
of
mode
0
text
+
many
lines
of
mode
8
graphics
looking
like
this:
2 LINES OF
MODE
2 TEXT
1 LINE OF
MODE
aTEXT
TH E
MODE
8 DISPLAY
The
Mixed
Mode
Display

Table of Contents

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Atari XL Specifications

General IconGeneral
Release Year1983
CPUMOS Technology 6502C
GraphicsANTIC, GTIA
SoundPOKEY (4 channels)
StorageCassette tape
PortsCartridge
Operating SystemAtari BASIC
CPU Speed1.79 MHz
RAM64 KB

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