TAL Reference Manual

Equivalenced Variables
TAL Reference Manual—526371-001
10-15
Usage Considerations
. (period)
is the standard indirection symbol and denotes 16-bit indirect addressing. An
absence of any indirection symbol (. or .EXT) denotes 16-bit direct addressing.
.EXT
is the extended indirection symbol and denotes 32-bit indirect addressing. An
absence of any indirection symbol (. or .EXT) denotes 16-bit direct addressing.
identifier
is the identifier of a definition structure to be made equivalent to base-address.
base-address
is one of the following base address symbols:
index and offset
are equivalent INT values giving a location in the following ranges:
structure-layout
is a BEGIN-END construct that contains declarations as described in Section 8,
Structures.
Usage Considerations
If you use the CRE, locations G[0] and G[1] are not available for your data. References
to 'G', 'L', or 'S' are not portable to future software platforms.
'G' Denotes global addressing relative to G[0]
'L' Denotes local addressing relative to L[0]
'S' Denotes top-of-stack addressing relative to S[0]
0 through 255 For 'G' addressing
–255 through 127 For 'L' addressing
–31 through 0 For 'S' addressing