Assembler Directives

Assembler directives are instructions to the assembler to perform various bookkeeping tasks, storage reservation, and other control functions. To distinguish them from other instructions, directive names begin with a period.

The assembler directives fall into the following categories:

• Compiler-Use-Only Directives
  
  
• Data Storage Directives
  
  
• Location Control Directives
  
  
• Symbol Declaration Directives
  
  
• Routine Entry Point Definition Directives
  
  
• Repeat Block Directives
  
  
• Assembler Option Directive (.set)
  
  
• Procedure Attribute Directives
  
  
• Version Control Directive (.verstamp)