Assembler Directives and Pseudo-Operations

Directive

Function

 

 

.HALF

Reserves 16 bits (a half word) of storage and

 

initializes it to the given value.

 

 

.LEAVE

Marks a procedure's exit point and generates

 

standard exit code.

 

 

.SPNUM

Reserves and initializes a word of storage.

 

 

.STRING

Reserves the appropriate amount of storage

 

and initializes it to the given string.

 

 

.STRINGZ

Reserves the appropriate amount of storage

 

and initializes it to the given string.

 

 

.WORD

Reserves 32 bits (a word) of storage and

 

initializes it to the given value.

 

 

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Chapter 4