COMPASS is an acronym for COMPrehensive ASSembler. COMPASS is 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 are two flavors of COMPASS on the 60-bit machines: COMPASS CP is the assembly language for the CP (Central Processor), the processor running user programs. See CDC 6600 CP architecture. COMPASS PP is the assembly language for the PP (Peripheral Processor), only running o… (More on Compass)