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About assembly control directives
Some assembler directives control conditional assembly, looping, inclusions, and macros.
These directives are as follows:
-
MACRO
andMEND
. MEXIT
.IF
,ELSE
,ENDIF
, andELIF
.WHILE
andWEND
.
Nesting directives
The following structures can be nested to a total depth of 256:
MACRO
definitions.WHILE...WEND
loops.IF...ELSE...ENDIF
conditional structures.INCLUDE
file inclusions.
The limit applies to all structures taken together, regardless of how they are nested. The limit is not 256 of each type of structure.