GBLA, GBLL, and GBLS

Declare a global arithmetic, logical, or string variable.

LCLA, LCLL, and LCLS

Declare a local arithmetic, logical, or string variable.

SETA, SETL, and SETS

Set the value of an arithmetic, logical, or string variable.

RLIST

Define a name for a set of general-purpose registers.

CN

Define a coprocessor register name.

CP

Define a coprocessor name.

DN and SN

Define a double-precision or single-precision VFP register name.

FN

Define an FPA register name (obsolete).