The format of the PROTECT macro is:

>>-+-------+--PROTECT--parameter_list_address------------------><
   '-label-'                                    

parameter list address—A-type address, (2-12), or (1)

Indicates the location of the parameter list. The parameter list must be created before the PROTECT macro is issued. The address of the parameter list can be passed in register 1, in any of registers 2 through 12, or as an A-type address. The first byte of the parameter list must be used to identify the function (add, replace, delete, or list). See Figure 1 through Figure 1 for the parameter lists and codes used to identify the functions.