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Atari XL User Manual

Atari XL
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Pieces
of
Strings
61
LEN(string)
gives
the
number
of
characters
in
a
string.
ASCII
code is
used
by
the
Atari
to
symbolise
letters.
There
is a
table
of
the
ASCII codes for
the
characters
in
Appendix
10.
CHR$
converts
a code
number
to
the
equivalent
character:
PRINT
CHR$(65)
displays
Ase
gives
the
ASCII code for a
character:
PRI NT ASC (
II
A
II
)
displays
STR$
turns
a
number
into
a
string
of
number
characters:
10
A$
STR$(123)
20
PRINT
A$
V
AL
evaluates
the
numerical
characters
In
a
string:
PRINT
VAL("123ABC789")
displays
(123'.
COMPARISONS.
Strings
can
be
compared
using
IF
...
THEN
and
the
relational
operators
= <
and
>.
This
is
useful
for
testing
inputs
and
sorting
strings.

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Atari XL Specifications

General IconGeneral
BrandAtari
ModelXL
CategoryDesktop
LanguageEnglish

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