required to support as language processors and their generated object
equivalent results to programs executing under
supported only to the extent stated in the publications for the
successfully satisfy the specific requirement of the supervisory
The restrictions for
the as macros.
Figure 31 shows the as macro functions that are partially or
completely simulated, as defined by
written on a
set produced by the same as program running under as and written on an
as disk is one that has been formatted by an as program, such as
By simulating as macros,
that as data organized by these access methods can reside on
identifying a record by a key or
position within the data set.
seeking a named member within the data set.
accessing a record in a sequence in relation to
preceding or following items in the data set.
Refer to Figure 31 and the
no program can write an indexed sequential data set on a