CONTENTS
PREFACE
1 INTRODUCTION
About
This Book
ATARI
Peisonal
Computer
Systems
How anAssembler
Editor Is
Used
1
1
2 GETTING
STARTED
Allocating
Memory
Program
Format*How
to
Write
a Statement
Statement
Number
Label
Operation
Code
Mnemonic
Operand
Comment
How
to Write
Operands
Hex
Operands
Immediate
Operands
Page Zero
Operands
Absolute
Operands
Absolute
Indexed
Operands
Non-indexed
Indirect
Operands
Indexed
Indirect
Operands
Indirect
Indexed
Operands
Indexed
Page Zero
Operands
String Operands
5
a
a
a
a
a
a
a2
12
t2
t2
7.2
12
13
13
13
13
13
3 USING THE
EDITOR
Commands
to Edit a Program
NEW
Command
DEL
Command
NUM
Command
REN
Command
FIND
Command
REP Command
Commands
to Save
(or
Display)
and Retrieve Programs
LIST Command
PRINT
Command
ENTER
Command
SAVE
Command
LOAD
Command
15
7.5
15
15
15
7.5
77
19
19
27
27
-
ATARI'
3
-
CONTENTS
7
-
APPENDICES
8
-
ILLUSTRATIONS
9
-
INTRODUCTION
11
-
ASSEMBLER
12
-
EDITOR IS USED
12
-
Object Program
13
-
ALLOCATING
15
-
FORMAT-HO\^/
18
-
TO WRITE A
18
-
STATEMENT
18
-
6Anz"t.. *qn
19
-
' t
19
-
""^^*
19
-
COMMANDS
25
-
FrND/souGHT/,4
26
-
'lu
28
-
PRrNT3O
31
-
'-Jfl
36
-
Ii,8i!-t:?iTii"{:ffi
36
-
DIRECTIVES
37
-
_ ,, 1 I I
39
-
DIRECTIVE
41
-
DEBUGGING
45
-
I '
47
-
<nwl@
50
-
APPENDIX
53
-
(Alphabetic
55
-
SPECIAL
57
-
!FElFIgEiEEEEE
59
-
EXPRESSIONS
61
-
-"8
65
-
*Y.-ilr' 4)
66
-
,"d"/
67
-
4::'
68
-
"-.;$".tt$r"d
69
-
REFERENCES
71
-
5i,+,w+illlii:#,*ulrr'
73
-
ExcLoR.oBJ
74
-
***$ffi*t**lm*fisl*ffi
75
-
""0
85
-
;:,fi?,f
87
-
:;H",fl
87
-
'1",*:#
87
-
' j '
91
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