pTAL Reference Manual (H06.08+)

Statements
HP pTAL Reference Manual—523746-006
12-45
USE
USE
The USE statement creates a temporary variable.
identifier
is the name of the temporary variable being created.
A temporary variable that the USE statement creates:
•
Is equivalent to a variable declared INT
•
Is usually kept in a register
•
Exists until either:
°
You drop it with the statement DROP on page 12-19 (recommended)
°
The procedure that creates it ends
WHILE
The WHILE statement is a pretest loop that repeatedly executes a statement while a
specified condition is true.
condition
is either:
•
A conditional expression
•
An INT, INT(32), or FIXED arithmetic expression. If the result of the arithmetic
expression is not 0, condition is true. If the result is 0, condition is false.
statement
is any pTAL statement.
The WHILE statement tests the condition before each iteration of the loop. If the
condition is false before the first iteration, the loop never executes.
USE identifier
,
VST056.vsd
WHILE condition DO
statement
VST057.vsd