Holtek HT-IDE, Руководство пользователя, Страница: 126 / 258

Example of convention Description of convention
{choice1 | choice2}
Braces and vertical bars stand for a choice
between two or more items. Braces enclose the
choices whereas vertical bars separate the
choices. Only one item can be chosen.
Repeating elements...
Three dots following an item signify that more
items with the same form may be entered. For
example, the directive PUBLIC has the
following form:
PUBLIC name1 [,name2 [,...]]
In the above form, the three dots following
name2 indicate that many names can be entered
as long as each is preceded by a comma.
Statement Syntax
The construction of each statement is as follows:
[name] [operation] [operands] [;comment]
•
All fields are optional.
•
Each field (except the comment field) must be separated from other fields
by at least one space or one tab character.
•
Fields are not case-sensitive, i.e., lower-case characters are changed to
upper-case characters before processing.
Name
Statements can be assigned labels to enable easy access by other state-
ments. A name consists of the following characters:
A~Z a~z 0~9 ? _ @
with the following restrictions :
•
0~9 cannot be the first character of a name
•
? and $ cannot stand alone as a name
•
Only the first 31 characters are recognized
HT-IDE User’s Guide
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