Limited Computer Hardware User Manual

Directives Reference
7-26 Copyright © 2000, 2001 ARM Limited. All rights reserved. ARM DUI 0068B
7.4 Assembly control directives
This section describes the following directives:
• MACRO and MEND on page 7-27
• MEXIT on page 7-29
• IF, ELSE, and ENDIF on page 7-30
• WHILE and WEND on page 7-32.
7.4.1 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, however they are nested. The limit is
not 256 of each type of structure.