TAL Reference Manual

TAL Syntax Summary (Bracket-and-Brace Diagrams)
Appendix C—526371.001
C-23
STACK Statement
STACK Statement
The STACK statement loads values onto the register stack.
STORE Statement
The STORE statement removes values from the register stack and stores them into
variables.
USE Statement
The USE statement reserves an index register for your use.
WHILE Statement
The WHILE statement is a pretest loop that repeatedly executes a statement while a
condition is true.
Standard Functions
The following syntax diagrams describe standard functions in alphabetic order.
$ABS Function
The $ABS function returns the absolute value of an expression. The returned value
has the same data type as the expression.
$ALPHA Function
The $ALPHA function tests the right byte of an INT value for the presence of an
alphabetic character.
STACK expression [ , expression ] ...
STORE variable [ , variable ] ...
USE identifier [ , identifier ] ...
WHILE condition DO [ statement ]
$ABS ( expression )
$ALPHA ( int-expression )