RT11    =       1       ;ASSEMBLE FOR RT-11 SCOPE TYPE DETERMINATION
        WATCH   =       1       ;ASSEMBLE TO INCLUDE "WATCH" SUPPORT
        SCROLL  =       1       ;ASSEMBLE TO INCLUDE SCROLLING SUPPORT
        IMMEDC  =       1       ;ASSEMBLE TO INCLUDE IMMEDIATE MODE COMMANDS
        I$$SOB  =       0       ;ASSEMBLE WITHOUT HARDWARE SOB INSTRUCTION
        I$$DIV  =       0       ;ASSEMBLE WITHOUT HARDWARE DIVIDE INSTRUCTION