COMPASS's an acronym for COMPrehensive ASSembler. COMPASS's a macro assembly language on Control Data Corporation's 3000 series, and on the 60-bit CDC 6000 series, 7600 and Cyber 70 and 170 series mainframe computers. There're two flavors of COMPASS on the 60-bit machines: COMPASS CP's the assembly language for the CP (Central Processor), the processor running user programs. See CDC 6600 CP architecture. COMPASS PP's the assembly language for the PP (Peripheral Processor), only running operat… (More on Compass)