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Panasonic MN1030 User Manual

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Chapter 10   Writing Assembler Control Statements
Conditional Assembly  193
10.4.2 #if, #ifn
Syntax
Syntax for #if
Syntax for #ifn
#if
expression
#ifn
expression
block1
block1
[#else
[#else
block2]
block2]
#endif
#endif
Functional description
#if
If the value of expression is not 0, block1 will be assembled.  If it is 0 and an #else directive has been 
coded, block2 will be assembled.
#ifn
If the value of expression is 0, block1 will be assembled.  If it is not 0 and an #else directive has been 
coded, block2 will be assembled.
Coding rules
These directives can be used within macro definitions and wherever machine language instructions can 
be coded.