Types Of Characters That Can Be Used In Program - Mitsubishi Electric CR750-Q Instruction Manual

4MELFA-BASIC V

4.4.6 Types of characters that can be used in program

The character which can be used within the program is shown in
on the characters that can be used in the program name, variable name and label name. The characters
that can be used are indicated by O, those that cannot be used are indicated by X, and those that can be
used with restrictions are indicated by @.
Table 4-5:List of characters that can be used
Class
Alphabetic A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
characters
a b c d e f g h i j k l m n o p q r s t u v w x y z
Numerals 0 1 2 3 4 5 6 7 8 9
Symbols " ' & ( ) * + - . , / : ; = < > ? @ ` [ \ ] ^ { } ~ |
! # $ % &
_(Underscore)
Spaces Space character
Note1) Only alphabetical characters can be used as the first character of the variable name. Numerals can
be used as the second and succeeding characters.
Note2) The head of the label name in the program can use only the English character. The numeral can be
used in 2nd character or later.
Note3) They can be used as the second and succeeding characters. Any variable having an underscore
(_) as the second character becomes an external variable.
Note4) "_" (underscore) can be used in 3rd character or later of the label name.
Refer to Page 133, "(1) Program name"
for detail of variable names, and refer to
4-136 Detailed specifications of MELFA-BASIC V
Available characters
for detail of program names, refer to
Page 135, "4.4.5 Label"
Table 4-5. However, there are restrictions
Program name Variable name
O O
X O
Note1)
O @
X X
X Available for
type
specification
Note3)
X @
X X
Page 141, "4.4.15 Variables"
for detail of label names.
Label name
O
O
Note2)
@
X
X
Note4)
@
X