Operator`s manual

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APPENDIX
6
DIRECTIVES
. OPT Operand
specifies an
option. Operand
can be LIST
or NOLTST,
OBJ or NOOBJ,
ERRORS
or NOERRORS,
EJXCT
or
NOUECT.
(Default
options
are LIST,
OBJECT, ERRORS,
and
lEcT.)
causes NAME
to be
printed
at the top
ofeach
page.
produces
a blank space
in th€ listing,
then
caus€s
MESSAGE
to be
pdnted
alier NAME.
contrcls
the spacing
of the {ields
of Op
Code
Mnemonic.
Op€rand.
and Commenl
as lhey appear
in
the listing.
places
in successive
memory
locations
the values ofthe
expressions
a, b, ..., n
[one
byte for each value).
places
in successive
m€mory
locations
the
ATASCII
values
ofA, B, ...,
N.
places
in successive pairs
of memory
locations the
values
of rhe expressions
a.
b. ..., n
rrwo
byle6 for each
value.
high byte
firstl.
places
in
succ€ssive pairs
of
memory locations
the
values
ofthe €xpressions
a, b, ..., n
(two
bytes for
each
value, low
b].te firsi).
makes ih€ Label
AB equat
to the value
of the expres-
sion
(up
to FFFF
hex).
mak€s the Program
Counter equal
io the value
ofthe
expression
(up
to FFFI hex).
assembles
folowing
code, up
io .
LABXL,
ifand
only if
expre$ion
evaluates
to zerc.
indicates
th€ €nd
of the
prcgram
to be
assembled.
, TITLE
"NAME"
. PAGE
(MESSAGE'
. TAB n1,n2,n3
. BYTE a,b...n
. BYTE
*AB...N'
. DBYTE
a, b,...n
. WORD
ar br...,n
AB=nxpre$ion
*
=
Expre$ion
. IF Expression
. ]-ABEL
, END