4. SMC (1 byte)

(STORAGE-MODE-CODE)—controls how a table is to reside in memory. The default is for tables to be fully resident in memory. The values X and A are returned by a GD command if the table is an Alternate Index. They may not be set in DT or CD commands. The SMC may have the following settings:

  • R—Resident Table Default
  • X—Alternate Definition (internal use only)
  • A—Invoked Alternate (internal use only).