pTAL Conversion Guide

Equivalenced Variables

pTAL Conversion Guide—527302-002

12-6

Declaring Equivalenced Structures

pTAL adds a FIELDALIGN clause to TAL equivalenced structure declarations.

. (period)

is the indirection symbol for standard addressing.

.EXT

is the indirection symbol for extended addressing.

identifier

is the identifier that the declaration creates.

referral

is the identifier of a previously declared structure, structure layout, or structure

pointer.

STRUCT

.EXT

identifier

referral

( )

field-alignment

= previous-identifier

[

offset

index

]

;

structure-layout

VST632.vsd